![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg\")
<\/figure>\n<\/div>\n\n\nProjeto de v\u00e1lvulas globo de veda\u00e7\u00e3o de fole<\/h2>\n\n\n\n- Estrutura OS&Y<\/strong>
- A estrutura possui haste n\u00e3o rotativa e al\u00e7a n\u00e3o elevat\u00f3ria para que o fole n\u00e3o fique torcido.<\/li><\/ul><\/li>
- Embalagem de gl\u00e2ndula<\/strong>
- Isto bloqueia vazamentos externos em caso de quebra do fole. MV, a\u00e7o forjado, a\u00e7o fundido, SUS 20K: Gaxeta de grafite expandida SUS 10K, 150lb: Gaxeta de PTFE refor\u00e7ado + PTFE<\/li><\/ul><\/li>
- Estrutura do cap\u00f4 aparafusado<\/strong>
- A estrutura do cap\u00f4 aparafusada proporciona manuten\u00e7\u00e3o e gerenciamento simples.<\/li><\/ul>
- A estrutura aparafusada garante uma fixa\u00e7\u00e3o confi\u00e1vel.<\/li><\/ul><\/li>
- Junta superior<\/strong>
- Uma sede de grafite expandida \u00e9 usada para a junta superior.<\/li>
- Isto bloqueia vazamentos externos em caso de quebra do fole.<\/li><\/ul><\/li>
- Junta inferior<\/strong>
- O vazamento externo \u00e9 bloqueado com o uso de uma junta de alta qualidade. MV, a\u00e7o forjado, a\u00e7o fundido, SUS 20K: Junta gr\u00e1fica expandida SUS 10K, 150lb: Junta de PTFE refor\u00e7ado<\/li><\/ul><\/li>
- Fole<\/strong>
- Fole hidr\u00e1ulico multicamadas. \u00c9 usado o SUS316L, que apresenta excelente resist\u00eancia \u00e0 press\u00e3o e \u00e0 corros\u00e3o.<\/li><\/ul><\/li>
- Superf\u00edcies de assento<\/strong>
- Ambas as superf\u00edcies do assento com excelente resist\u00eancia ao travamento e \u00e0 abras\u00e3o. (Opcional para v\u00e1lvulas SUS)<\/li><\/ul><\/li>
- Corpo da v\u00e1lvula<\/strong>
- Suporta ferro fundido d\u00factil (FCD-S), a\u00e7o inoxid\u00e1vel (SCS13A), (SCS14A), a\u00e7o fundido (ASTM A216-WCB) e a\u00e7o forjado (ASTM A105).<\/li><\/ul><\/li><\/ul>\n\n\n\n
Vantagens das v\u00e1lvulas globo com veda\u00e7\u00e3o de fole<\/h2>\n\n\n\n
O design da v\u00e1lvula globo com veda\u00e7\u00e3o de fole \u00e9 melhor do que o da v\u00e1lvula globo comum. Ent\u00e3o, quais s\u00e3o as vantagens das v\u00e1lvulas globo com veda\u00e7\u00e3o de fole em compara\u00e7\u00e3o com as v\u00e1lvulas comuns?<\/p>\n\n\n\n
- A v\u00e1lvula globo com veda\u00e7\u00e3o de fole n\u00e3o apresenta vazamento e \u00e9 aplicada em um meio de alto risco.<\/li>
- A v\u00e1lvula globo comum \u00e9 vedada com gaxeta e um deslizamento ocorrer\u00e1 entre a haste da v\u00e1lvula e a gaxeta para que a v\u00e1lvula vaze facilmente em baixas temperaturas.<\/li>
- As v\u00e1lvulas globo com veda\u00e7\u00e3o de fole usam foles fechados que podem ser esticados e comprimidos para substituir as veda\u00e7\u00f5es das gaxetas, evitando efetivamente vazamentos causados por perdas de gaxetas. Geralmente, essas v\u00e1lvulas s\u00e3o utilizadas para transmiss\u00e3o do meio com forte permeabilidade. Por exemplo, geralmente n\u00e3o h\u00e1 vazamento nas v\u00e1lvulas globo de veda\u00e7\u00e3o de fole para o sistema de hidrog\u00eanio, desde que o fole n\u00e3o esteja danificado. No entanto, a v\u00e1lvula globo comum \u00e9 vedada com gaxeta, o que \u00e9 f\u00e1cil de causar vazamento.<\/li>
- A v\u00e1lvula globo com veda\u00e7\u00e3o de fole pode interromper o fluxo de m\u00eddia e o curso de abertura ou fechamento da haste da v\u00e1lvula \u00e9 relativamente curto. Como a altera\u00e7\u00e3o da abertura da sede \u00e9 proporcional ao curso do disco, a v\u00e1lvula \u00e9 a escolha ideal para regula\u00e7\u00e3o de fluxo. Portanto, este tipo de v\u00e1lvula \u00e9 muito adequada para regular ou cortar o fluxo e para estrangular.<\/li>
- Veda\u00e7\u00f5es duplas (fole+gaxeta). Se o fole falhar, o empanque da haste da v\u00e1lvula evitar\u00e1 fugas. E a veda\u00e7\u00e3o atende aos padr\u00f5es internacionais.<\/li>
- Sem perda de fluido e redu\u00e7\u00e3o de perda de energia.<\/li>
- Longa vida \u00fatil, reduzindo a frequ\u00eancia de manuten\u00e7\u00e3o e os custos operacionais.<\/li>
- A veda\u00e7\u00e3o de fole robusta garante vazamento zero da haste da v\u00e1lvula e n\u00e3o requer manuten\u00e7\u00e3o.<\/li>
- Materiais de veda\u00e7\u00e3o macios de PTFE s\u00e3o usados na sede da v\u00e1lvula para meios de g\u00e1s para melhorar a veda\u00e7\u00e3o da v\u00e1lvula.<\/li>
- A sede da v\u00e1lvula com resist\u00eancia a altas temperaturas (\u2264425 \u2103) adota a superf\u00edcie c\u00f4nica e veda\u00e7\u00e3o r\u00edgida.<\/li><\/ol>\n\n\n\n\n
Etiquetas relacionadas :<\/h2>\n\n\n\n\n\nV\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula globo - V\u00e1rios tipos de v\u00e1lvula globo<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula gaveta - v\u00e1rios tipos de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula esf\u00e9rica - V\u00e1rios tipos de v\u00e1lvula esf\u00e9rica<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula borboleta - v\u00e1rios tipos de v\u00e1lvula borboleta<\/a>\n\n<\/div>\n\n\n\n\nV\u00e1lvula de balanceamento \u2013 V\u00e1lvula HVAC<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula de reten\u00e7\u00e3o \u2013 V\u00e1rios tipos de v\u00e1lvula de reten\u00e7\u00e3o<\/a>\n\n<\/div>\n\n\n\nDez artigos antes e depois<\/p>\n\n\n\n
O que deve ser prestado aten\u00e7\u00e3o ao usar v\u00e1lvula de gaveta plana? \u2013 Not\u00edcias \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nCaracter\u00edsticas da v\u00e1lvula guilhotina \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nO que \u00e9 v\u00e1lvula esfera de passagem total e passagem reduzida \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>\n\n\n\nV\u00e1lvula de guilhotina \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nAtuador de v\u00e1lvula de guilhotina comumente usado \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nQuais s\u00e3o as caracter\u00edsticas estruturais da v\u00e1lvula borboleta de ventila\u00e7\u00e3o? \u2013 Not\u00edcias \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nV\u00e1lvulas esfera API 6D Super Big Size \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>\n\n\n\nQual \u00e9 a finalidade da v\u00e1lvula n\u00e3o padr\u00e3o \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nDescri\u00e7\u00e3o do eixo da haste e sede da v\u00e1lvula globo de a\u00e7o fundido \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co., Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\nV\u00e1lvulas esfera padr\u00e3o API 608 \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>","protected":false},"excerpt":{"rendered":"O que \u00e9 uma v\u00e1lvula de fole? Uma v\u00e1lvula de fole \u00e9 uma v\u00e1lvula especialmente projetada, adequada para uso em ind\u00fastrias que lidam com produtos perigosos\u2026 Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":20798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2689,3110,2684,3687,2687,3686],"class_list":["post-7605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-globe-valve-factory","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-bellows-seal-globe-valve-factory","tag-china-bellows-seal-globe-valve","tag-industrial-bellows","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg",1024,507,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2689,"name":"bellow seal globe valve factory","slug":"bellow-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":2689,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":3110,"name":"Bellows Seal Gate Valve","slug":"bellows-seal-gate-valve","term_group":0,"term_taxonomy_id":3110,"taxonomy":"post_tag","description":"\r\n\r\nIn particular chemical processes, the fluids in the pipes are often toxic, radioactive, and hazardous. Bellow sealed valves are used to prevent leakage of any toxic chemical into the atmosphere. The bellow can be supplied in different materials like 316Ti, 321, C276, or Alloy 625. Body material can be selected from all available materials.\r\n\r\n\r\n\r\n\r\n\r\nLeakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should be noted by the plant engineer. Critical leakage points include flanged gasket joints and the Valve\/pump gland packing, etc. Today the chemical process industry is gearing itself towards safer technology for better environmental protection and it has become every process engineer's responsibility to design plants that limit damage to the environment through the prevention of leakage of any toxic chemicals.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellow Seal Gate Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\nBellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of the Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body at the bottom. In this case, the process fluid is contained inside the bellow, or in the second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case, the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).\r\n\r\n\r\n\r\n\r\n\r\nThe bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.\r\n\r\n\r\n\r\n\r\nBellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThere are two main types of bellow.. the Forged Bellow and the Welded Bellow. Formed-type bellows are made by rolling a flat sheet (thin wall foil) into a tube which is then longitudinally fusion welded. This tube is subsequently mechanically or hydrostatically formed into a bellow with rounded and widely spaced folds. The welded leaf type bellow is made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers - like plates. A welded leaf bellow has more folds per unit length as compared to forged bellows. Thus, for the same stroke length, forged bellows are two to three times longer than their welded leaf counterparts.\r\n\r\n\r\n\r\n\r\n\r\nReportedly, mechanically forged bellows fail at random spots, while the welded leaf usually fails at or near a weld. To ensure full penetration of bellow ends and end coller welding it is advisable to fabricate using micro plasma welding.\r\n\r\n\r\n\r\n\r\nBellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe multi-ply bellow design is preferred for handling higher-pressure fluids (generally two or three plies of the metal wall). A two-ply bellow can increase its pressure rating by 80% to 100% as compared to a single ply bellow of the same thickness. Alternatively, if a single ply bellow of a thickness equivalent to a pressure rating of a two-ply bellow is used, the stroke length is reduced. Thus, a multi-ply bellow design offers a distinct advantage over a single ply bellow. It is clear that the bellow is subject to metal fatigue and this fatigue can induce weld failure. The bellow fatigue life is affected by the material of construction, fabrication technique, stroke length, and stroke frequency, in addition to the usual parameters such as fluid temperature and pressure.\r\n\r\n\r\n\r\n\r\nSpecification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Design standard: ASME B16.34<\/li>\r\n \t
- Face to face dimension: ASME B16.10<\/li>\r\n \t
- Flanged ends: ASME B16.5<\/li>\r\n \t
- Test & inspection: API 598<\/li>\r\n \t
- Nominal Size: NPS 1\/2\uff5e16<\/li>\r\n \t
- Pressure Rating: CL.150\uff5eCL.1500<\/li>\r\n \t
- End Connection: RF\/RTJ\/BW\/SW<\/li>\r\n \t
- Body Material: Casting & Forging(Carbon Steel, SS, Duplex, Hastelloy)<\/li>\r\n \t
- Trim Material: As per standard or order requirement<\/li>\r\n \t
- Bellow Material\uff1a304\/304L\/316\/316L\/Inconel600\/625\/718<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure\/temperature service.<\/li>\r\n \t
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n \t
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n \t
- Superior seating faces: Seats CoCr alloy hardfaced and the wedge is solid CoCr alloy.<\/li>\r\n \t
- Each valve is tested per API 598.<\/li>\r\n \t
- Every bellow assembly is helium leak-tested to assure zero leakage.<\/li>\r\n \t
- Non-rotating stems prevent torsion of bellow.<\/li>\r\n \t
- Secondary stem seals include:<\/li>\r\n \t
- Stem backseat<\/li>\r\n \t
- API 624 stem packing<\/li>\r\n \t
- Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.<\/li>\r\n \t
- Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>\r\n \t
- All bellows are hydroformed with a minimum of two layers.<\/li>\r\n \t
- Available in pressure classes 150-1500 (All body materials available)<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":2684,"name":"Bellows Seal Globe Valve","slug":"bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2684,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":3687,"name":"bellows seal globe valve factory","slug":"bellows-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":3687,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\nFeatures of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure\/temperature applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Superior seating faces: Seats hard faced with CoCr alloy, and the disc is solid CoCr alloy.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n
Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nTYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\nCONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\nPATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\nEND CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\nOPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\nOPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\nBELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\nDESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\nSIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\nPRESSURE RANGE<\/td>\r\n ANSI 125 \u2013 4,500 lbs.\r\nDIN PN 10 \u2013 PN 400<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\nApplications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Oil & gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":3686,"name":"industrial bellows","slug":"industrial-bellows","term_group":0,"term_taxonomy_id":3686,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2689,"label":"bellow seal globe valve factory"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":3687,"label":"bellows seal globe valve factory"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3686,"label":"industrial bellows"}]},"yoast_head":"\n
Bellows Seal Globe Valves - Bellow Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/pt\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bellows Seal Globe Valves - Bellow Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Bellow Valve? A Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous ... 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- A estrutura possui haste n\u00e3o rotativa e al\u00e7a n\u00e3o elevat\u00f3ria para que o fole n\u00e3o fique torcido.<\/li><\/ul><\/li>
- Embalagem de gl\u00e2ndula<\/strong>
- Isto bloqueia vazamentos externos em caso de quebra do fole. MV, a\u00e7o forjado, a\u00e7o fundido, SUS 20K: Gaxeta de grafite expandida SUS 10K, 150lb: Gaxeta de PTFE refor\u00e7ado + PTFE<\/li><\/ul><\/li>
- Estrutura do cap\u00f4 aparafusado<\/strong>
- A estrutura do cap\u00f4 aparafusada proporciona manuten\u00e7\u00e3o e gerenciamento simples.<\/li><\/ul>
- A estrutura aparafusada garante uma fixa\u00e7\u00e3o confi\u00e1vel.<\/li><\/ul><\/li>
- Junta superior<\/strong>
- Uma sede de grafite expandida \u00e9 usada para a junta superior.<\/li>
- Isto bloqueia vazamentos externos em caso de quebra do fole.<\/li><\/ul><\/li>
- Junta inferior<\/strong>
- O vazamento externo \u00e9 bloqueado com o uso de uma junta de alta qualidade. MV, a\u00e7o forjado, a\u00e7o fundido, SUS 20K: Junta gr\u00e1fica expandida SUS 10K, 150lb: Junta de PTFE refor\u00e7ado<\/li><\/ul><\/li>
- Fole<\/strong>
- Fole hidr\u00e1ulico multicamadas. \u00c9 usado o SUS316L, que apresenta excelente resist\u00eancia \u00e0 press\u00e3o e \u00e0 corros\u00e3o.<\/li><\/ul><\/li>
- Superf\u00edcies de assento<\/strong>
- Ambas as superf\u00edcies do assento com excelente resist\u00eancia ao travamento e \u00e0 abras\u00e3o. (Opcional para v\u00e1lvulas SUS)<\/li><\/ul><\/li>
- Corpo da v\u00e1lvula<\/strong>
- Suporta ferro fundido d\u00factil (FCD-S), a\u00e7o inoxid\u00e1vel (SCS13A), (SCS14A), a\u00e7o fundido (ASTM A216-WCB) e a\u00e7o forjado (ASTM A105).<\/li><\/ul><\/li><\/ul>\n\n\n\n
Vantagens das v\u00e1lvulas globo com veda\u00e7\u00e3o de fole<\/h2>\n\n\n\n
O design da v\u00e1lvula globo com veda\u00e7\u00e3o de fole \u00e9 melhor do que o da v\u00e1lvula globo comum. Ent\u00e3o, quais s\u00e3o as vantagens das v\u00e1lvulas globo com veda\u00e7\u00e3o de fole em compara\u00e7\u00e3o com as v\u00e1lvulas comuns?<\/p>\n\n\n\n
- A v\u00e1lvula globo com veda\u00e7\u00e3o de fole n\u00e3o apresenta vazamento e \u00e9 aplicada em um meio de alto risco.<\/li>
- A v\u00e1lvula globo comum \u00e9 vedada com gaxeta e um deslizamento ocorrer\u00e1 entre a haste da v\u00e1lvula e a gaxeta para que a v\u00e1lvula vaze facilmente em baixas temperaturas.<\/li>
- As v\u00e1lvulas globo com veda\u00e7\u00e3o de fole usam foles fechados que podem ser esticados e comprimidos para substituir as veda\u00e7\u00f5es das gaxetas, evitando efetivamente vazamentos causados por perdas de gaxetas. Geralmente, essas v\u00e1lvulas s\u00e3o utilizadas para transmiss\u00e3o do meio com forte permeabilidade. Por exemplo, geralmente n\u00e3o h\u00e1 vazamento nas v\u00e1lvulas globo de veda\u00e7\u00e3o de fole para o sistema de hidrog\u00eanio, desde que o fole n\u00e3o esteja danificado. No entanto, a v\u00e1lvula globo comum \u00e9 vedada com gaxeta, o que \u00e9 f\u00e1cil de causar vazamento.<\/li>
- A v\u00e1lvula globo com veda\u00e7\u00e3o de fole pode interromper o fluxo de m\u00eddia e o curso de abertura ou fechamento da haste da v\u00e1lvula \u00e9 relativamente curto. Como a altera\u00e7\u00e3o da abertura da sede \u00e9 proporcional ao curso do disco, a v\u00e1lvula \u00e9 a escolha ideal para regula\u00e7\u00e3o de fluxo. Portanto, este tipo de v\u00e1lvula \u00e9 muito adequada para regular ou cortar o fluxo e para estrangular.<\/li>
- Veda\u00e7\u00f5es duplas (fole+gaxeta). Se o fole falhar, o empanque da haste da v\u00e1lvula evitar\u00e1 fugas. E a veda\u00e7\u00e3o atende aos padr\u00f5es internacionais.<\/li>
- Sem perda de fluido e redu\u00e7\u00e3o de perda de energia.<\/li>
- Longa vida \u00fatil, reduzindo a frequ\u00eancia de manuten\u00e7\u00e3o e os custos operacionais.<\/li>
- A veda\u00e7\u00e3o de fole robusta garante vazamento zero da haste da v\u00e1lvula e n\u00e3o requer manuten\u00e7\u00e3o.<\/li>
- Materiais de veda\u00e7\u00e3o macios de PTFE s\u00e3o usados na sede da v\u00e1lvula para meios de g\u00e1s para melhorar a veda\u00e7\u00e3o da v\u00e1lvula.<\/li>
- A sede da v\u00e1lvula com resist\u00eancia a altas temperaturas (\u2264425 \u2103) adota a superf\u00edcie c\u00f4nica e veda\u00e7\u00e3o r\u00edgida.<\/li><\/ol>\n\n\n\n\n
Etiquetas relacionadas :<\/h2>\n\n\n\n\n
\nV\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula globo - V\u00e1rios tipos de v\u00e1lvula globo<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula gaveta - v\u00e1rios tipos de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula esf\u00e9rica - V\u00e1rios tipos de v\u00e1lvula esf\u00e9rica<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula borboleta - v\u00e1rios tipos de v\u00e1lvula borboleta<\/a>\n\n<\/div>\n\n\n\n\nV\u00e1lvula de balanceamento \u2013 V\u00e1lvula HVAC<\/a>\n\n<\/div>\n\n\n\n\nFabricante de v\u00e1lvula de reten\u00e7\u00e3o \u2013 V\u00e1rios tipos de v\u00e1lvula de reten\u00e7\u00e3o<\/a>\n\n<\/div>\n\n\n\nDez artigos antes e depois<\/p>\n\n\n\n
O que deve ser prestado aten\u00e7\u00e3o ao usar v\u00e1lvula de gaveta plana? \u2013 Not\u00edcias \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
Caracter\u00edsticas da v\u00e1lvula guilhotina \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
O que \u00e9 v\u00e1lvula esfera de passagem total e passagem reduzida \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>\n\n\n\n
V\u00e1lvula de guilhotina \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
Atuador de v\u00e1lvula de guilhotina comumente usado \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
Quais s\u00e3o as caracter\u00edsticas estruturais da v\u00e1lvula borboleta de ventila\u00e7\u00e3o? \u2013 Not\u00edcias \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
V\u00e1lvulas esfera API 6D Super Big Size \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>\n\n\n\n
Qual \u00e9 a finalidade da v\u00e1lvula n\u00e3o padr\u00e3o \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co.,Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
Descri\u00e7\u00e3o do eixo da haste e sede da v\u00e1lvula globo de a\u00e7o fundido \u2013 \u6280\u672f\u77e5\u8bc6 \u2013 Not\u00edcias \u2013 Zeco Valve Group Co., Ltd | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n
V\u00e1lvulas esfera padr\u00e3o API 608 \u2013 V\u00e1lvula Zeco | Fabricante de v\u00e1lvulas industriais<\/a><\/p>","protected":false},"excerpt":{"rendered":"
O que \u00e9 uma v\u00e1lvula de fole? Uma v\u00e1lvula de fole \u00e9 uma v\u00e1lvula especialmente projetada, adequada para uso em ind\u00fastrias que lidam com produtos perigosos\u2026 Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":20798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2689,3110,2684,3687,2687,3686],"class_list":["post-7605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-globe-valve-factory","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-bellows-seal-globe-valve-factory","tag-china-bellows-seal-globe-valve","tag-industrial-bellows","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg",1024,507,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2689,"name":"bellow seal globe valve factory","slug":"bellow-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":2689,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":3110,"name":"Bellows Seal Gate Valve","slug":"bellows-seal-gate-valve","term_group":0,"term_taxonomy_id":3110,"taxonomy":"post_tag","description":"\r\n\r\nIn particular chemical processes, the fluids in the pipes are often toxic, radioactive, and hazardous. Bellow sealed valves are used to prevent leakage of any toxic chemical into the atmosphere. The bellow can be supplied in different materials like 316Ti, 321, C276, or Alloy 625. Body material can be selected from all available materials.\r\n\r\n\r\n\r\n\r\n\r\nLeakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should be noted by the plant engineer. Critical leakage points include flanged gasket joints and the Valve\/pump gland packing, etc. Today the chemical process industry is gearing itself towards safer technology for better environmental protection and it has become every process engineer's responsibility to design plants that limit damage to the environment through the prevention of leakage of any toxic chemicals.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
What is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellow Seal Gate Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n
Bellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of the Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body at the bottom. In this case, the process fluid is contained inside the bellow, or in the second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case, the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).\r\n\r\n\r\n\r\n\r\n\r\nThe bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.\r\n\r\n\r\n\r\n\r\n
Bellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThere are two main types of bellow.. the Forged Bellow and the Welded Bellow. Formed-type bellows are made by rolling a flat sheet (thin wall foil) into a tube which is then longitudinally fusion welded. This tube is subsequently mechanically or hydrostatically formed into a bellow with rounded and widely spaced folds. The welded leaf type bellow is made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers - like plates. A welded leaf bellow has more folds per unit length as compared to forged bellows. Thus, for the same stroke length, forged bellows are two to three times longer than their welded leaf counterparts.\r\n\r\n\r\n\r\n\r\n\r\nReportedly, mechanically forged bellows fail at random spots, while the welded leaf usually fails at or near a weld. To ensure full penetration of bellow ends and end coller welding it is advisable to fabricate using micro plasma welding.\r\n\r\n\r\n\r\n\r\n
Bellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe multi-ply bellow design is preferred for handling higher-pressure fluids (generally two or three plies of the metal wall). A two-ply bellow can increase its pressure rating by 80% to 100% as compared to a single ply bellow of the same thickness. Alternatively, if a single ply bellow of a thickness equivalent to a pressure rating of a two-ply bellow is used, the stroke length is reduced. Thus, a multi-ply bellow design offers a distinct advantage over a single ply bellow. It is clear that the bellow is subject to metal fatigue and this fatigue can induce weld failure. The bellow fatigue life is affected by the material of construction, fabrication technique, stroke length, and stroke frequency, in addition to the usual parameters such as fluid temperature and pressure.\r\n\r\n\r\n\r\n\r\n
Specification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Design standard: ASME B16.34<\/li>\r\n \t
- Face to face dimension: ASME B16.10<\/li>\r\n \t
- Flanged ends: ASME B16.5<\/li>\r\n \t
- Test & inspection: API 598<\/li>\r\n \t
- Nominal Size: NPS 1\/2\uff5e16<\/li>\r\n \t
- Pressure Rating: CL.150\uff5eCL.1500<\/li>\r\n \t
- End Connection: RF\/RTJ\/BW\/SW<\/li>\r\n \t
- Body Material: Casting & Forging(Carbon Steel, SS, Duplex, Hastelloy)<\/li>\r\n \t
- Trim Material: As per standard or order requirement<\/li>\r\n \t
- Bellow Material\uff1a304\/304L\/316\/316L\/Inconel600\/625\/718<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure\/temperature service.<\/li>\r\n \t
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n \t
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n \t
- Superior seating faces: Seats CoCr alloy hardfaced and the wedge is solid CoCr alloy.<\/li>\r\n \t
- Each valve is tested per API 598.<\/li>\r\n \t
- Every bellow assembly is helium leak-tested to assure zero leakage.<\/li>\r\n \t
- Non-rotating stems prevent torsion of bellow.<\/li>\r\n \t
- Secondary stem seals include:<\/li>\r\n \t
- Stem backseat<\/li>\r\n \t
- API 624 stem packing<\/li>\r\n \t
- Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.<\/li>\r\n \t
- Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>\r\n \t
- All bellows are hydroformed with a minimum of two layers.<\/li>\r\n \t
- Available in pressure classes 150-1500 (All body materials available)<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":2684,"name":"Bellows Seal Globe Valve","slug":"bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2684,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":3687,"name":"bellows seal globe valve factory","slug":"bellows-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":3687,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
What is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nA Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\n
Features of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure\/temperature applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Superior seating faces: Seats hard faced with CoCr alloy, and the disc is solid CoCr alloy.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n
Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
\r\n\r\n\r\n
\r\n TYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\n CONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\n PATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\n END CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\n OPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\n OPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\n BELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\n DESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\n SIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\n PRESSURE RANGE<\/td>\r\n ANSI 125 \u2013 4,500 lbs.\r\nDIN PN 10 \u2013 PN 400<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n Applications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n \t
- \r\n
- \r\n \t
- Oil & gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":3686,"name":"industrial bellows","slug":"industrial-bellows","term_group":0,"term_taxonomy_id":3686,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2689,"label":"bellow seal globe valve factory"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":3687,"label":"bellows seal globe valve factory"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3686,"label":"industrial bellows"}]},"yoast_head":"\n
Bellows Seal Globe Valves - Bellow Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/pt\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bellows Seal Globe Valves - Bellow Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Bellow Valve? A Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous ... 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- Oil & gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":3686,"name":"industrial bellows","slug":"industrial-bellows","term_group":0,"term_taxonomy_id":3686,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2689,"label":"bellow seal globe valve factory"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":3687,"label":"bellows seal globe valve factory"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3686,"label":"industrial bellows"}]},"yoast_head":"\n
- \r\n
- On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Superior seating faces: Seats hard faced with CoCr alloy, and the disc is solid CoCr alloy.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n
- \r\n
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure\/temperature applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
- \r\n
- Suporta ferro fundido d\u00factil (FCD-S), a\u00e7o inoxid\u00e1vel (SCS13A), (SCS14A), a\u00e7o fundido (ASTM A216-WCB) e a\u00e7o forjado (ASTM A105).<\/li><\/ul><\/li><\/ul>\n\n\n\n
- A estrutura do cap\u00f4 aparafusada proporciona manuten\u00e7\u00e3o e gerenciamento simples.<\/li><\/ul>