Avant d'utiliser le robinet-vanne en acier moul\u00e9 pour la premi\u00e8re fois, il est n\u00e9cessaire de v\u00e9rifier si le robinet-vanne en acier moul\u00e9 est qualifi\u00e9 ou non. Cependant, de nombreuses personnes ne savent pas comment r\u00e9soudre les probl\u00e8mes lors du processus de test. Aujourd'hui, nous allons vous le pr\u00e9senter.<\/p>\n\n\n\n\n\n
Tout d\u2019abord, nous devons tester la pression de l\u2019eau pour d\u00e9tecter si elle est qualifi\u00e9e ou non. Parfois, nous trouverons quelques petites fissures dans le corps de la vanne qui affecteront l'effet d'utilisation du robinet-vanne en acier moul\u00e9. Il est donc n\u00e9cessaire de r\u00e9parer ces petites fissures par soudage.<\/p>\n\n\n\n
Lorsqu'il y a de l'eau \u00e0 l'int\u00e9rieur du robinet-vanne en acier moul\u00e9, il ne peut pas \u00eatre soud\u00e9 si l'eau \u00e0 l'int\u00e9rieur n'est pas pr\u00e9alablement nettoy\u00e9e. De plus, cette m\u00e9thode de soudage est difficile car il faut vider compl\u00e8tement l\u2019eau avant de souder. Il est pr\u00e9f\u00e9rable d'utiliser le soudage vertical en raison de sa partie soud\u00e9e plus \u00e9paisse. De plus, la quantit\u00e9 de robinets-vannes en acier moul\u00e9 sur le march\u00e9 est tr\u00e8s faible. Pour une pi\u00e8ce en acier, il n\u2019y a pas de fissuration apr\u00e8s soudage.<\/p>\n\n\n\n
Il convient \u00e9galement de noter que des baguettes de soudage normales peuvent \u00eatre utilis\u00e9es lors du soudage entre de l'acier moul\u00e9 et de l'acier au carbone normal (tel que l'acier \u00e0 faible teneur en carbone). L'acier inoxydable doit \u00eatre assorti aux baguettes de soudage.<\/p>\n\n\n\n
ZECO a d\u00e9velopp\u00e9 son laboratoire de R&D pour l'innovation et la validation de la conception de vannes aux normes internationales, y compris les tests PT, MTUT et FE. ZECO est une \u00e9quipe modeste et unie avec plus de diligence et d'entreprise pour faire preuve d'int\u00e9grit\u00e9 envers les clients. Si vous en avez besoin, n'h\u00e9sitez pas \u00e0 nous consulter.<\/p>\n\n\n\n
Le soudage \u00e0 la baguette est un excellent processus pour souder l'acier moul\u00e9 car vous avez un contr\u00f4le \u00e9lev\u00e9 sur la chaleur de soudage. C'est id\u00e9al pour les r\u00e9parations rapides et les travaux sur le terrain. De plus, c\u2019est le meilleur proc\u00e9d\u00e9 pour souder des m\u00e9taux avec des surfaces sales.<\/p>\n\n\n\n
Si vous envisagez de souder de la fonte, suivez les quatre \u00e9tapes suivantes avant de souder\u00a0:<\/p>\n\n\n\n
Apprendre \u00e0 souder l\u2019acier moul\u00e9 est moins difficile que la fonte. En effet, l'acier moul\u00e9 est un acier au carbone ou alli\u00e9 qui a \u00e9t\u00e9 fondu et moul\u00e9 dans une forme sp\u00e9cifique. Cependant, m\u00eame si l\u2019acier moul\u00e9 poss\u00e8de des propri\u00e9t\u00e9s similaires \u00e0 l\u2019acier lamin\u00e9, certaines diff\u00e9rences rendent son soudage plus difficile.
Bien que vous puissiez souder de l'acier moul\u00e9 \u00e0 l'aide des proc\u00e9d\u00e9s MIG ou TIG, de nombreux experts en soudage recommandent le soudage \u00e0 la baguette avec des tiges E7018 pour les alliages \u00e0 faible teneur en carbone et des tiges en acier inoxydable pour les pi\u00e8ces moul\u00e9es difficiles \u00e0 souder.<\/p>\n\n\n\n
L\u2019un des probl\u00e8mes li\u00e9s au soudage de l\u2019acier moul\u00e9 est d\u2019\u00e9viter la d\u00e9formation. Voici quelques suggestions pour vous aider\u00a0:<\/p>\n\n\n\n
Avant d'utiliser le robinet-vanne en fonte d'acier pour la premi\u00e8re fois, il est n\u00e9cessaire de v\u00e9rifier si le robinet-vanne en fonte d'acier\u2026 Lire plus<\/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\/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":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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