![\"Vanne](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg\")
<\/figure>\n<\/div>\n\n\nLes vannes \u00e0 guillotine sont principalement con\u00e7ues pour les services tout ou rien et d'isolement dans les syst\u00e8mes \u00e0 forte teneur en mati\u00e8res en suspension. Les vannes \u00e0 guillotine sont particuli\u00e8rement utiles pour la manipulation de boues en plus des milieux visqueux, corrosifs et abrasifs. Les vannes pr\u00e9sentent une chute de pression minimis\u00e9e en position compl\u00e8tement ouverte, elles sont faciles \u00e0 actionner, elles ont un poids relativement faible et sont rentables.<\/p>\n\n\n\n
Comment fonctionne une vanne \u00e0 guillotine ?<\/h2>\n\n\n\n
Une vanne \u00e0 guillotine fonctionne en permettant aux fluides \u00e9pais de s'\u00e9couler facilement sur des joints souples sans interf\u00e9rence. Ils fonctionnent en d\u00e9chiquetant le m\u00e9dia lorsqu'il passe \u00e0 travers la valve. Aujourd'hui, les vannes \u00e0 guillotine sont utilis\u00e9es dans de nombreuses usines de transformation partout dans le monde et sont disponibles en grandes tailles. Cela permet \u00e0 la vanne de g\u00e9rer plus facilement des flux \u00e9pais de fluides, notamment de graisse, d'huiles, de boues, d'eaux us\u00e9es et de p\u00e2te \u00e0 papier. Pour cette raison, les vannes \u00e0 guillotine ont des limitations de basse pression et sont con\u00e7ues pour placer la lame dans un joint souple sans interruption.<\/p>\n\n\n\n
La porte de la vanne \u00e0 guillotine peut terminer son travail et compenser l'\u00e9cart de l'angle de la surface d'\u00e9tanch\u00e9it\u00e9 au cours du processus de traitement. Cette porte est appel\u00e9e porte \u00e9lastique. Ce n'est que lorsque la vanne \u00e0 guillotine est ferm\u00e9e que la surface d'\u00e9tanch\u00e9it\u00e9 ne peut \u00eatre scell\u00e9e que par une pression moyenne. Et la plupart des vannes \u00e0 guillotine adoptent un joint forc\u00e9, c'est-\u00e0-dire que lorsque la vanne est ferm\u00e9e, la vanne doit \u00eatre forc\u00e9e vers le si\u00e8ge de vanne par une force externe, afin de mieux utiliser toutes les vannes \u00e0 guillotine.<\/p>\n\n\n\n
A quoi sert une vanne \u00e0 guillotine ?<\/h2>\n\n\n\n
La vanne \u00e0 guillotine est principalement utilis\u00e9e dans le gaz naturel, le p\u00e9trole, l'industrie chimique, la protection de l'environnement, les pipelines urbains, les gazoducs et autres pipelines de transmission, les syst\u00e8mes de ventilation et les dispositifs de stockage de vapeur, et les produits am\u00e9lior\u00e9s seront plus largement utilis\u00e9s.<\/p>\n\n\n\n
- Extraction mini\u00e8re et traitement des min\u00e9raux<\/li>
- Applications des p\u00e2tes et papiers<\/li>
- Eau et eaux us\u00e9es<\/li>
- Usines de sable et de gravier<\/li>
- Lignes de queue<\/li>
- Mat\u00e9riaux abrasifs en suspension<\/li><\/ul>\n\n\n\n
Avantages des vannes \u00e0 guillotine<\/h2>\n\n\n\n
- Garniture de bo\u00eete de presse-\u00e9toupe et support usin\u00e9<\/li>
- Man\u0153uvre facile et faible consommation d\u2019\u00e9nergie<\/li>
- Faible entretien gr\u00e2ce au guidage du portail via des ouvrages sup\u00e9rieurs stables<\/li>
- Conception et mat\u00e9riau de si\u00e8ge uniques pour des performances \u00e9lev\u00e9es et un faible LCC<\/li>
- Aucune restriction de d\u00e9bit compl\u00e8tement ouverte<\/li>
- Corps de coul\u00e9e monobloc<\/li>
- Portail en acier inoxydable<\/li>
- Syst\u00e8me d'emballage robuste en bo\u00eete \u00e0 presse-\u00e9toupe<\/li><\/ul>\n\n\n\n
Application de vanne \u00e0 guillotine<\/h2>\n\n\n\n
Les vannes \u00e0 guillotine se trouvent g\u00e9n\u00e9ralement dans les usines de traitement des eaux us\u00e9es, les usines chimiques, les mines, les cimenteries ainsi que dans de nombreuses autres applications industrielles, tandis que les vannes \u00e0 guillotine se trouvent g\u00e9n\u00e9ralement dans les conduites d'eau potable, les r\u00e9seaux de distribution et les stations de pompage d'eau potable.<\/p>\n\n\n\n
Qu'est-ce qu'un Robinet-vanne de dalle<\/a><\/mark><\/strong>?<\/h2>\n\n\n
\n![\"Robinet-vanne](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Through-Conduit-Gate-Valve-1.jpg\")
<\/figure>\n<\/div>\n\n\nLes vannes \u00e0 passage traversant par dalle sont con\u00e7ues et fabriqu\u00e9es conform\u00e9ment aux normes API 6D et API 6A et sp\u00e9cifiquement pour les services tout ou rien. Cette vanne est adapt\u00e9e pour r\u00e9sister \u00e0 tous les types de fluides de process, dans des conditions de pression et de temp\u00e9rature \u00e9lev\u00e9es.<\/p>\n\n\n\n
La conception de la vanne comprend une tige montante qui s'adapte aux mouvements ascendants et descendants de la vanne, lui permettant de s'ouvrir et de se fermer sous la pression de la conduite.<\/p>\n\n\n\n
Comment fonctionne un robinet-vanne \u00e0 dalle ?<\/h2>\n\n\n\n
En fonctionnement normal, le fluide de conduite remplit la cavit\u00e9 et la vanne est soulev\u00e9e par la pression g\u00e9n\u00e9r\u00e9e par le chemin d'\u00e9coulement, aidant le ressort de l'actionneur \u00e0 ouvrir la vanne, ce qui entra\u00eene une configuration d'ouverture manqu\u00e9e.<\/p>\n\n\n\n
Les vannes \u00e0 vanne traversante \u00e0 dalle peuvent \u00eatre racl\u00e9es en position compl\u00e8tement ouverte et g\u00e9n\u00e8rent une chute de pression \u00e0 travers la vanne \u00e9gale au diam\u00e8tre int\u00e9rieur du tuyau de raccordement.<\/p>\n\n\n\n
Avantages des vannes \u00e0 dalle ?<\/h2>\n\n\n\n
- Conception \u00e0 double bloc et si\u00e8ge de purge \uff1b<\/li>
- Le couple de fonctionnement est inf\u00e9rieur \u00e0 celui du robinet-vanne normal\u00a0;<\/li>
- Joints bidirectionnels, aucune limitation sur le sens d'\u00e9coulement \uff1b<\/li>
- Lorsque la vanne est en position compl\u00e8tement ouverte, les surfaces du si\u00e8ge se trouvent \u00e0 l'ext\u00e9rieur du flux d'\u00e9coulement qui est toujours en plein contact avec une vanne qui peut prot\u00e9ger les surfaces du si\u00e8ge et convient au raclage<\/a> pipeline;<\/li>
- Une conception \u00e0 tige non montante peut \u00eatre choisie\u00a0;<\/li>
- Un emballage \u00e0 ressort peut \u00eatre choisi\u00a0;<\/li>
- Un emballage \u00e0 faibles \u00e9missions peut \u00eatre choisi conform\u00e9ment aux exigences de la norme ISO 15848\u00a0;<\/li>
- La conception \u00e9tendue de la tige peut \u00eatre choisie\u00a0;<\/li>
- Type normalement ouvert ou type normalement ferm\u00e9 avec une conception de conduit traversant\u00a0;<\/li>
- La conception de conduits non traversants est \u00e9galement disponible selon la demande du client<\/li><\/ul>\n\n\n\n
Quant \u00e0 la s\u00e9lection appropri\u00e9e des mat\u00e9riaux, ceux soumis \u00e0 des tests stricts, \u00e0 un fonctionnement l\u00e9ger et \u00e0 une forte r\u00e9sistance \u00e0 la corrosion peuvent r\u00e9pondre aux besoins de chacun.<\/p>\n\n\n\n
Application de vanne \u00e0 dalle<\/h2>\n\n\n\n
Ce robinet-vanne \u00e0 dalle passe par un conduit, est raclable et a une entr\u00e9e sup\u00e9rieure. Les applications incluent les pipelines de transport de gaz, de p\u00e9trole brut et de produits p\u00e9troliers. Disponible dans une vari\u00e9t\u00e9 de mat\u00e9riaux et de configurations pour r\u00e9pondre aux exigences sp\u00e9cifiques de votre projet. et un faible couple de fonctionnement.<\/p>\n\n\n\n
Vanne \u00e0 couteau vs vanne \u00e0 guillotine<\/h2>\n\n\n\n
Les diff\u00e9rences entre eux sont vastes. Tout d\u2019abord, oui, la vanne \u00e0 guillotine a un disque aiguis\u00e9. Cela vise \u00e0 \u00e9liminer tous les solides agressifs qui pourraient emp\u00eacher la vanne de se fermer et provoquer une fuite. Mais il y a bien plus encore qui rendent leurs conceptions tr\u00e8s diff\u00e9rentes.<\/p>\n\n\n\n
Norme de conception diff\u00e9rente<\/h3>\n\n\n\n
La plus grande diff\u00e9rence entre ces deux types de vannes est que les vannes \u00e0 guillotine sont construites selon les normes ANSI, tandis que les vannes \u00e0 guillotine respectent les normes TAPPI. Par cons\u00e9quent, dimensionnellement, le robinet-vanne est plus large, \u00e0 bride et conforme \u00e0 la pression ANSI. Il dispose \u00e9galement de normes d\u2019\u00e9tanch\u00e9it\u00e9 API qui doivent \u00eatre respect\u00e9es. Ils sont bidirectionnels et couramment utilis\u00e9s dans les applications vapeur ainsi que dans les applications fluides. Le robinet-vanne est uniquement disponible avec des si\u00e8ges m\u00e9talliques.<\/p>\n\n\n\n
Une autre diff\u00e9rence significative entre une vanne \u00e0 guillotine ANSI et une vanne \u00e0 guillotine r\u00e9side dans la zone du presse-\u00e9toupe. Une vanne \u00e0 guillotine aura un jeu de garnitures \u00e0 joint en V qui scelle l'arbre fix\u00e9 \u00e0 la vanne, tandis qu'une vanne \u00e0 guillotine a un presse-\u00e9toupe qui scelle autour de la vanne.<\/p>\n\n\n\n
Type d'extr\u00e9mit\u00e9 diff\u00e9rent<\/h3>\n\n\n\n
Un portail \u00e0 couteaux a un profil tr\u00e8s fin par rapport \u00e0 son homologue plus volumineux. Il est \u00e9galement unidirectionnel (bien que le bidirectionnel soit une option sur certains) et se pr\u00e9sente sous forme de plaquette ou de corps \u00e0 crampons, sans brides. <\/p>\n\n\n\n
Structure de si\u00e8ge diff\u00e9rente<\/h3>\n\n\n\n
Les si\u00e8ges des vannes \u00e0 guillotine sont disponibles en toutes sortes, du m\u00e9tal aux types r\u00e9silients. La vanne \u00e0 guillotine a une coupe oblique en forme de couteau au bas de la plaque de vanne, qui a pour fonction de couper le fluide afin que la vanne soit ferm\u00e9e sans \u00eatre bloqu\u00e9e par le fluide.<\/p>\n\n\n\n
Fonction diff\u00e9rente<\/h3>\n\n\n\n
La fonction de la vanne \u00e0 guillotine est qu'elle ne peut \u00eatre utilis\u00e9e que comme fonction de coupure et ne peut pas \u00eatre utilis\u00e9e comme \u00e9tranglement.<\/p>\n\n\n\n
Le robinet-vanne peut \u00eatre utilis\u00e9 pour l'\u00e9tranglement ou comme interrupteur.<\/p>\n\n\n\n
Installation, fonctionnement et application diff\u00e9rents<\/h3>\n\n\n\n
Par rapport aux vannes \u00e0 guillotine ordinaires, les vannes \u00e0 guillotine sont de structure simple, de petite taille, de fonctionnement flexible, faciles \u00e0 installer et adapt\u00e9es aux fluides avec une consistance plus \u00e9lev\u00e9e et des particules solides.<\/p>\n\n\n\n
La conception de la vanne \u00e0 guillotine \u00e0 passage int\u00e9gral permet \u00e0 la vanne d'\u00eatre utilis\u00e9e dans des conditions sales, et le si\u00e8ge et la garniture rempla\u00e7ables rendent la vanne facile \u00e0 entretenir.<\/p>\n\n\n\n
En raison de leurs meilleures performances, le prix des vannes \u00e0 guillotine est g\u00e9n\u00e9ralement plus \u00e9lev\u00e9 que celui des vannes \u00e0 guillotine.<\/p>\n\n\n\n
Application de vanne \u00e0 vanne<\/h4>\n\n\n\n
Les vannes \u00e0 vanne sont utilis\u00e9es dans de nombreuses applications industrielles, notamment l'industrie p\u00e9troli\u00e8re et gazi\u00e8re, les produits pharmaceutiques, la fabrication, l'automobile et la marine. Les vannes \u00e0 tige non montante sont tr\u00e8s populaires sur les navires, dans les applications souterraines ou l\u00e0 o\u00f9 l'espace vertical est limit\u00e9 car elles n'occupent pas d'espace suppl\u00e9mentaire.<\/p>\n\n\n\n\n
Balises associ\u00e9es :<\/h2>\n\n\n\n\n
\nSoupape ZECO<\/a>\n\n<\/div>\n\n\n\n\nUsine de soupapes de r\u00e9duction de pression de Shanghai<\/a>\n\n<\/div>\n\n\n\n\nR\u00e9paration de vannes \u00e0 vanne<\/a>\n\n<\/div>\n\n\n\n\nVanne et robinet \u00e0 boisseau sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un robinet \u00e0 soupape ?<\/a>\n\n<\/div>\n\n\n\n\nDiff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>\n\n\n\n\nRobinet \u00e0 soupape et robinet \u00e0 bille<\/a>\n\n<\/div>\n\n\n\n\nBalises associ\u00e9es :<\/h2>\n\n\n\n\n
\nSoupape ZECO<\/a>\n\n<\/div>\n\n\n\n\nVanne et robinet \u00e0 boisseau sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n\nRobinet \u00e0 papillon NBR<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un clapet anti-retour axial ?<\/a>\n\n<\/div>\n\n\n\n\n\nR\u00e9paration de vannes \u00e0 vanne<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un robinet \u00e0 soupape ?<\/a>\n\n<\/div>\n\n\n\n\nFabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n\nQue sont les vannes \u00e0 soupape\u00a0?<\/a>\n\n<\/div>\n\n\n\n\nDiff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"Les grandes usines adoptent g\u00e9n\u00e9ralement de gros outils de coupe. Depuis les ann\u00e9es 1980, toutes sortes de robinets-vannes se sont d\u00e9velopp\u00e9s rapidement en moins de\u2026 Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":16924,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2800,2001,2754,2756,2753,2097,2755],"class_list":["post-16137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-gate-valve-application","tag-knife-gate-valve","tag-knife-gate-valve-vs-gate-valve","tag-knife-gate-valves","tag-knife-valve-vs-gate-valve","tag-slab-gate-valve","tag-slab-gate-valves","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/knife-gate-valve.jpg",330,300,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/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":2800,"name":"gate valve application","slug":"gate-valve-application","term_group":0,"term_taxonomy_id":2800,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2001,"name":"Knife Gate Valve","slug":"knife-gate-valve","term_group":0,"term_taxonomy_id":2001,"taxonomy":"post_tag","description":"\r\n\r\n\r\n
What is a Knife Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nKnife gate valves are engineered specifically for on-off and isolation operations in systems with a high dissolved solid particle. Knife gate valves are extremely useful when dealing with slurry, abrasive, corrosive, and viscous media. The valves have a low-pressure drop in the fully open position, are simple to operate, light in weight, and cost-effective.\r\n\r\n\r\n\r\n\r\n\r\nKnife gate valves are intended to work in the harshest conditions, with a sharpened blade to cut through heavy liquids.\r\n\r\n\r\n\r\n\r\n\r\nThey are extremely helpful in wastewater applications where corrosion is a major concern. In addition to the valve design that is optimized for slurry media, having a knife gate valve composed of acid-proof stainless steel is advantageous because it is less vulnerable to corrosion damage and therefore requires less frequent maintenance or even replacements.\r\n\r\n\r\n\r\n\r\n\r\nKnife gate valves should always be used for applications that require a fully open or completely closed position and should not be used to regulate flow unless specifically designed for it. When fluid is pushed against a partly closed gate, a vibration occurs, gradually eroding the disc and seat. Furthermore, the knife gate valves are intended to open and close slowly to protect against the effects of the water hammer.\r\n\r\n\r\n\r\n\r\n\r\nGET KNIFE GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Specifications of Knife Gate Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Available materials: WCB, WC6, WCC, LCB, LCC, Cast iron, Ductile Iron, SS316, SS304<\/li>\r\n \t
- Size: 2\u2033 to 80\u2033<\/li>\r\n \t
- Class: 150 to 300<\/li>\r\n \t
- Nominal Pressure: PN6 to PN40<\/li>\r\n \t
- Operation: Handwheel, Electric and Pneumatic Actuated, Gear operated<\/li>\r\n \t
- Ends: Wafer, Lug, Flanged<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Types of Knife Gate Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Uni-directional Knife Gate Valve<\/li>\r\n \t
- Bi-directional Knife Gate Valve<\/li>\r\n \t
- Slurry Knife Gate Valve<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Where is a Knife Gate Valve used?<\/h2>\r\n\r\n\r\n\r\n\r\nKnife gate valves are commonly used in mining, power plants, and the paper, chemical, and food industries. They have the advantage of being very compact due to the linear movement of the shut-off damper (plate that blocks the flow of fluid in the closed position). The knife gate valve is mainly a shut-off valve, although it can be used as a control valve when the shutter is placed in the partially open position.\r\n\r\n\r\n\r\n\r\n\r\nKnife gate valves can be used for fluids loaded with solid particles such as wastewater or sludge. As a general rule, the knife gate valve is designed to be sealed on the upstream side of the circuit (on the fluid inlet side), but some valves are sealed on both sides, allowing them to be used regardless of the direction of fluid flow. In the open position, the head loss is very low because the valve does not cause a change in the fluid direction.\r\nThe closing and opening time can be very long, however, and you should consider regular maintenance to correct wear problems between the shutter and sealing elements.\r\n\r\n\r\n\r\n\r\n
Features of Knife Gate Valve<\/h2>\r\n\r\n\r\n\r\n
- \r\n \t
- Reliability of operation<\/li>\r\n \t
- The cast body of the valve is dust-tight assuring a clean operation<\/li>\r\n \t
- Knife action to cut through a standing column of material<\/li>\r\n \t
- Short opening and closing time<\/li>\r\n \t
- Maintenance is easy with replaceable packing<\/li>\r\n \t
- Modular design permitting upgrades to pack and operators<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
World's Largest Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nTexas, the second largest state in the USA both in the area and population faces enormous demand for drinking water. Within Texas lies America's largest inland metropolitan area, Dallas \u2013 Fort Worth Metroplex (DFW) province which is the economic and cultural hub of North & Central Texas.\r\n\r\n\r\n\r\n\r\n\r\nThe water in DFW is both sourced and managed by two major Texas water authorities, Tarrant Regional Water District (TRWD) & Dallas Water Utilities (DWU). With the rapidly growing population in this area, it is expected that more than 13 million residents will need water by 2060 which is more than double the population served by the authorities today. As a result, they have partnered to execute the $2B Integrated Pipeline Project (IPL) which will enable them to increase the water supply by 350 million gallons per day (1.59 billion liters per day) meeting the ever-increasing demand in the long term.\r\n\r\n\r\n\r\n\r\n
Knife Valve Factory<\/h2>\r\n\r\n\r\n\r\n\r\nWe specialize in custom knife gate valves from 2\" to 96\u201d and above, utilizing carbon steel to stainless steel and other weldable alloys. Our staff has many years of combined experience in building knife gate valves in particular.\r\n\r\n","parent":0,"count":7,"filter":"raw"},{"term_id":2754,"name":"knife gate valve vs gate valve","slug":"knife-gate-valve-vs-gate-valve","term_group":0,"term_taxonomy_id":2754,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2756,"name":"knife gate valves","slug":"knife-gate-valves","term_group":0,"term_taxonomy_id":2756,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2753,"name":"knife valve vs gate valve","slug":"knife-valve-vs-gate-valve","term_group":0,"term_taxonomy_id":2753,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2097,"name":"slab gate valve","slug":"slab-gate-valve","term_group":0,"term_taxonomy_id":2097,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2755,"name":"slab gate valves","slug":"slab-gate-valves","term_group":0,"term_taxonomy_id":2755,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2800,"label":"gate valve application"},{"value":2001,"label":"Knife Gate Valve"},{"value":2754,"label":"knife gate valve vs gate valve"},{"value":2756,"label":"knife gate valves"},{"value":2753,"label":"knife valve vs gate valve"},{"value":2097,"label":"slab gate valve"},{"value":2755,"label":"slab gate valves"}]},"yoast_head":"\n
Knife Valve vs Gate Valve, Knife Gate Valve & Slab Gate Valve Application<\/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\/fr\/what-is-the-difference-between-knife-gate-valve-and-slab-gate-valve-in-structure-and-application.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Knife Valve vs Gate Valve, Knife Gate Valve & Slab Gate Valve Application\" \/>\n<meta property=\"og:description\" content=\"Large factories usually adopt some large cutting tools. Since the 1980s, all kinds of gate valves have developed rapidly in less than ... 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