Bevor wir das Schieberventil aus Gussstahl zum ersten Mal verwenden, m\u00fcssen wir pr\u00fcfen, ob das Schieberventil aus Gussstahl qualifiziert ist oder nicht. Viele Leute wissen jedoch nicht, wie sie im Testprozess Fehler beheben k\u00f6nnen. Heute stellen wir es Ihnen vor.<\/p>\n\n\n\n\n\n
Zun\u00e4chst m\u00fcssen wir den Wasserdruck testen, um festzustellen, ob er geeignet ist oder nicht. Manchmal finden wir kleine Risse im Ventilk\u00f6rper, die die Gebrauchswirkung des Schieberventils aus Gussstahl beeintr\u00e4chtigen. Daher ist es notwendig, diese kleinen Risse durch Schwei\u00dfen zu reparieren.<\/p>\n\n\n\n
Wenn sich Wasser im Gussstahl-Schieber befindet, kann dieser nicht geschwei\u00dft werden, wenn das Wasser nicht vorher entfernt wurde. Au\u00dferdem ist diese Schwei\u00dfmethode schwierig, da Sie das Wasser vor dem Schwei\u00dfen vollst\u00e4ndig ablassen m\u00fcssen. Aufgrund der dickeren Schwei\u00dfpartie ist das vertikale Nahtschwei\u00dfen am besten geeignet. Dar\u00fcber hinaus ist die Anzahl der Gussstahl-Schieber auf dem Markt sehr gering. Bei einem Stahlbauteil treten nach dem Schwei\u00dfen keine Risse auf.<\/p>\n\n\n\n
Es ist auch erw\u00e4hnenswert, dass beim Schwei\u00dfen zwischen Gussstahl und normalem Kohlenstoffstahl (z. B. kohlenstoffarmem Stahl) normale Schwei\u00dfst\u00e4be verwendet werden k\u00f6nnen. Edelstahl muss mit Schwei\u00dfst\u00e4ben abgestimmt sein.<\/p>\n\n\n\n
ZECO hat sein eigenes Forschungs- und Entwicklungslabor f\u00fcr die Innovation und Validierung von Ventildesigns nach internationalen Standards eingerichtet, einschlie\u00dflich PT-, MTUT- und FE-Tests. ZECO ist ein bescheidenes und geeintes Team, das mit mehr Sorgfalt und Unternehmungsgeist seinen Kunden gegen\u00fcber Integrit\u00e4t zeigt. Wenn Sie Bedarf haben, k\u00f6nnen Sie uns gerne konsultieren.<\/p>\n\n\n\n
Stabschwei\u00dfen ist ein hervorragendes Verfahren zum Schwei\u00dfen von Gussstahl, da Sie die Schwei\u00dfw\u00e4rme sehr gut kontrollieren k\u00f6nnen. Es eignet sich hervorragend f\u00fcr schnelle Reparaturen und Arbeiten vor Ort. Dar\u00fcber hinaus ist es das beste Verfahren zum Schwei\u00dfen von Metallen mit schmutzigen Oberfl\u00e4chen.<\/p>\n\n\n\n
Wenn Sie das Schwei\u00dfen von Gusseisen in Angriff nehmen m\u00f6chten, f\u00fchren Sie vor dem Schwei\u00dfen die folgenden vier Schritte aus:<\/p>\n\n\n\n
Das Schwei\u00dfen von Gussstahl ist im Vergleich zu Gusseisen weniger anspruchsvoll. Das liegt daran, dass Gussstahl Kohlenstoff- oder legierter Stahl ist, der geschmolzen und in eine bestimmte Form gebracht wurde. Obwohl Gussstahl \u00e4hnliche Eigenschaften wie Walzstahl hat, erschweren einige Unterschiede das Schwei\u00dfen.
Obwohl Sie Gussstahl mit den Verfahren MIG oder WIG schwei\u00dfen k\u00f6nnen, empfehlen viele Schwei\u00dfexperten das Stabschwei\u00dfen mit E7018-St\u00e4ben f\u00fcr kohlenstoffarme Legierungen und Edelstahlst\u00e4ben f\u00fcr schwer zu schwei\u00dfende Gussteile.<\/p>\n\n\n\n
Eines der Probleme beim Schwei\u00dfen von Gussstahl besteht darin, Verformungen zu vermeiden. Hier sind einige Vorschl\u00e4ge, die dabei helfen k\u00f6nnen:<\/p>\n\n\n\n
Bevor wir den Schieber aus Stahlguss zum ersten Mal verwenden, muss \u00fcberpr\u00fcft werden, ob der Schieber aus Stahlguss \u2026 Weiterlesen ...<\/a><\/p>","protected":false},"author":2,"featured_media":16347,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2249,2176,3973,3974,2834,1946,1834,1943],"class_list":["post-16437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-advantages-of-cast-steel-gate-valve","tag-cast-steel-gate-valve","tag-cast-steel-welding","tag-cracks-cast","tag-fish-plate-welding","tag-flash-weld","tag-stuck-gate-valve","tag-surfacing-weld","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/zeco-china-valve-1024x365.jpg",1024,365,true],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/de\/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":2249,"name":"advantages of cast steel gate valve","slug":"advantages-of-cast-steel-gate-valve","term_group":0,"term_taxonomy_id":2249,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2176,"name":"cast steel gate valve","slug":"cast-steel-gate-valve","term_group":0,"term_taxonomy_id":2176,"taxonomy":"post_tag","description":"","parent":0,"count":9,"filter":"raw"},{"term_id":3973,"name":"cast steel welding","slug":"cast-steel-welding","term_group":0,"term_taxonomy_id":3973,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3974,"name":"cracks cast","slug":"cracks-cast","term_group":0,"term_taxonomy_id":3974,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2834,"name":"Fish Plate Welding","slug":"fish-plate-welding","term_group":0,"term_taxonomy_id":2834,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET FISH PLATE WELDING INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Fish Plate Welding?<\/h2>\r\n\r\n\r\n\r\n\r\nA fishplate weld is a weld joint used to join two metal plates together. The fishplate weld is a type of fillet weld and is commonly used to join two structural members or rails to give strength to an existing weld underneath. The fishplate weld is created by welding two metal plates together at their edges.\r\n\r\n\r\n\r\n\r\n
Applications of Fish Plate Welding<\/h2>\r\n\r\n\r\n\r\n\r\nFish plates are used widely in trucks to join the truck frame to give additional strength (by reinforcing the frame structure) to the truck frame. But instead of bolting, the fishplate is welded in a truck frame. Fishplate is also used to repairing of cracks in the truck frame.\r\n\r\n\r\n\r\n\r\n
What is the Function of Fish Plate?<\/h2>\r\n\r\n\r\n\r\n\r\nFunctions of Fish Plates are :\r\n\r\n\r\n\r\n\r\n
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What is Flash Welding?<\/h2>\r\n\r\n\r\n\r\n\r\nFlash welding, also called flash butt welding, is a resistance welding process, in which the ends of the workpieces are pressed together and a heavy electric current is passed through the joint during the welding process.\r\n\r\n\r\n\r\n\r\n\r\nIn flash welding, the electrical current is applied to the workpieces before they are brought together so that when they meet arcing (or flashing) takes place.\r\n\r\n\r\n\r\n\r\n\r\nGET FLASH WELD INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Parts of Flash Welding<\/h2>\r\n\r\n\r\n\r\n\r\nThe main parts of the flash welding process are described below \u2212\r\n\r\n\r\n\r\n\r\n
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Flash Welding Process<\/h2>\r\n\r\n\r\n\r\n\r\nTo perform flash welding, technicians will begin by clamping the ends of two pieces in electrode\/clamps and hold the ends close to each other. The power is initiated and an arc is formed across the gap. Then the parts are brought together with force.\r\n\r\n\r\n\r\n\r\n\r\nThe arc continues to heat the two ends as they are pushed together to form a fused joint. During this process flash and expelled material is generated, which is why it is called \u201cflash welding.\u201d This continues for a brief period until a sound joint has been formed then the current is stopped.\r\n\r\n\r\n\r\n\r\n\r\nAfterward, the welders will hold the two pieces together until the weld cools and solidifies. Excess flash must be removed and the weld inspected for any defects.\r\n\r\n\r\n\r\n\r\n
Advantages Of Flash Welding<\/h2>\r\n\r\n\r\n\r\n\r\nBelow are some of the biggest advantages to flash welding:\r\n\r\n\r\n\r\n\r\n
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What Causes Stuck Gate Valve<\/a><\/mark><\/strong>?<\/h2>\r\n\r\n\r\n\r\n\r\nA gate valve not closing completely is typically due to sediment that has built up inside the body of the valve. The sediment becomes lodged between the gate that lowers and the inside of the valve body itself. Ball-type valves do not suffer from this problem, as they operate on a different principle than a gate that raises and lowers inside of the valve body.\r\n\r\n\r\n\r\n\r\n
Gate Valve Stuck Closed<\/h2>\r\n\r\n\r\n\r\n\r\nA gate valve for a property usually has to be closed if plumbing repairs or maintenance are needed inside the building. In some instances, particularly if the main control valve is a gate type valve, the valve may not close completely. In many cases a gate valve repair may be needed. But many times other remedies are available.\r\n\r\n\r\n\r\n\r\n
How to Open a Stuck Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nThe typical reaction when a gate valve will not close fully is to exert additional force on the handle. Using force to close a valve is absolutely the wrong response. Brute force can cause permanent damage to the valve and a loss of water supply to the building. If sediment or mineral deposits are preventing the gate valve from closing fully, there is a more sensible first step to take than brute force.\r\n\r\n\r\n\r\n\r\n\r\nThe first step if a gate valve will not close completely\r\n\r\n\r\n\r\n\r\n\r\nIf sediment or mineral deposits are preventing a gate from closing completely an attempt should be made to flush out the inside of the valve. The proper way to do this is to open a faucet on a sink inside the house so there is a flow of water. Then gently and repeatedly open and close the valve.\r\n\r\n\r\n\r\n\r\n\r\nIf the handle of the valve does not turn freely then loosen the packing nut just above the valve body and around the stem of the valve. Loosening it just one turn should be fine \u2013 just remember to tighten it back up when you are done. Every time you lower the gate some sediment will break free and be flushed away by the water flow. There is absolutely no harm or danger in how many times you do this as long as no excessive force is used.\r\n\r\n\r\n\r\n\r\n
How to Fix a Stuck Gate Valve?<\/h2>\r\n\r\n\r\n\r\n\r\nIf the gate valve becomes jammed or stuck and remains closed, the gate valve stops operating and blocks the water from entering the water tanks. To open a stuck gate value you need to follow the steps suggested below.\r\n\r\n\r\n\r\n\r\n
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What is Surfacing Weld?<\/h2>\r\n\r\n\r\n\r\n\r\nSurfacing welds are welds that you use on surfaces for the purpose of replacement.\r\n\r\n\r\n\r\n\r\n\r\nSurfacing welding performed on a part of a construction equipment\r\n\r\n\r\n\r\n\r\n\r\nUsually, you\u2019ll perform it on surfaces that have been worn out by time, environment, or specific situations.\r\n\r\n\r\n\r\n\r\n\r\nGET SURFACING WELD INFORMATION<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
Here is information on Hard Surfacing Welding<\/h2>\r\n\r\n\r\n\r\n\r\nIn the list below we will list a few types of surfacing welding types\r\n\r\n\r\n\r\n\r\n\r\nHard Surfacing (or surface welding) has somehow become a trade secret. It\u2019s an incredibly useful process buried in a mountain of complicated details, surrounded by a circus of welding elite all chanting \u201cyou\u2019re doing it wrong.\u201d We\u2019ll no more, friends. We\u2019re giving you a place to start with our basic guide to the hard surfacing.\r\n\r\n\r\n\r\n\r\n\r\nWhat is hard surfacing? Simply put, it\u2019s literally just welding a reinforced layer to a piece of metal. Generally, surface welding is done on metal surfaces that tend to wear down quicker. We\u2019re talking lawn mower blades, front-end loader buckets, snowmobile skags, or Julia Robert\u2019s toothbrush.\r\n\r\n\r\n\r\n\r\n\r\nHardfacing is a metalworking process where harder or tougher material is applied to a base metal. It is welded to the base material, and generally takes the form of specialized electrodes for arc welding or filler rod for oxyacetylene and gas tungsten arc welding (TIG) welding. Powder metal alloys are used in (PTA) also called powder plasma welding and thermal spray processes like high-velocity oxygen fuel coating (HVOF), plasma spray, spray, fuse, etc.SAW, FCAW, and MIG \/ MAG use continuously fed wire varying in diameter depending on the process and the current Strip cladding process uses strips from 50 mm wide to 125 mm with a thickness of 0.5mm. Open arc welding uses continuously fed tubular electrodes which may or may not contain flux.\r\n\r\n\r\n\r\n\r\n
Applications of Surfacing Weld<\/h2>\r\n\r\n\r\n\r\n\r\nIn various industrial fields surfacing weld is widely used. The industrial fields are listed below,\r\n\r\n\r\n\r\n\r\n
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