China Wholesale Motorized Ball Valve Suppliers – Forged Steel Check Valve – C. Z. IT Detail:
Check Valve
Used to prevent backflow, these valves are typically self-activated allowing the valve automatically opens when media passes through the valve in the intended direction and close should flow reverse.Including the Non-Return Swing Check Valve,Cast Iron Check Valve, Wafe Type Check Valve, Thread Ends Check valve,Double Plate Check Valve, and flange Check Valve, etc.
Design Features
- Bolted bonnet with spiral-wound gasket
- Lift or Piston Check
- Ball check
- Swing check
Specifications
- Basic Design: API 602, ANSI B16.34
- End to End: DHV Standard
- Test & Inspection: API 598
- Screwed Ends (NPT) to ANSI/ASME B1.20.1
- Socket weld Ends to ASME B16.11
- Butt weld Ends to ASME B16.25
- End Flange: ANSI B16.5
Optional Features
- Cast Steel, Alloy Steel, Stainless Steel
- Full Port or Regular Port
- Welded Bonnet or Pressure Seal Bonnet
- Manufacturing to NACE MR0175 upon request
Check Valve Material List
| Part | Standard | Low temperatureService | Stainless Steel | High TemperatureService | Sour Service |
| BODY | ASTM A216-WCB | ASTM A352-LCC | ASTM A351-CF8 | ASTM A217-WC9 | ASTM A216-WCB |
| COVER | ASTM A216-WCB | ASTM A352-LCC | ASTM A351-CF8 | ASTM A217-WC9 | ASTM A216-WCB |
| DISC | ASTM A217-CA15 | ASTM A352-LCC/316OVERLAY | ASTM A351-CF8 | ASTM A217-WC9/STLOVERLAY | ASTM A217-CA15-NC |
| HINGE | ASTMA216-WCB | ASTM A352-LCC | ASTM A351-CF8 | ASTM A217-WC9 | ASTM A216-WCB |
| SEAT RING | ASTM A105/STLOVERLAY | ASTM A182-F316/STLOVERLAY | ASTM A182-F316/STLOVERLAY | ASTM A182-F22/STLOVERLAY | ASTM A105/STLOVERLAY |
| HINGE PIN | ASTM A276-410 | ASTM A276-316 | ASTM A276-316 | ASTM A276-410 | ASTM A276-416-NC |
| PLUGFOR HINGE PIN | CARBON STEEL | ASTM A276-316 | ASTM A276-316 | STAINLESS STEEL | CARBON STEEL |
| WASHER | STAINLESS STEEL | ASTM A276-316 | ASTM A276-316 | STAINLESS STEEL | STAINLESS STEEL |
| DISC NUT | ASTM A 276-420 | ASTM A276-316 | ASTM A276-316 | ASTM A276-420 | STAINLESS STEEL |
| DISC WASHER | ASTM A 276-420 | ASTM A276-316 | ASTM A276-316 | ASTM A276-420 | STAINLESS STEEL |
| DISC SPLIT PIN | ASTM A 276-420 | ASTM A276-316 | ASTM A276-316 | ASTM A276-420 | STAINLESS STEEL |
| BONNETRING JOINT | SOFT STEEL | ASTM A276-316 | ASTM A276-316 | ASTM A276-304 | SOFT STEEL |
| BONNET STUD | ASTM A193-B7 | ASTM A320-L7M | ASTM A193 B8 | ASTM A193-B16 | ASTM A193-B7M |
| BONNET NUT | ASTM A194-2H | ASTM A194-7M | ASTM A194 8 | ASTM A194-4 | ASTM A194-2HM |
| RIVET | SOFT STEEL | CARBON STEEL | STAINLESS STEEL | CARBON STEEL | CARBON STEEL |
| NAME PLATE | STAINLESS STEEL | STAINLESS STEEL | STAINLESS STEEL | STAINLESS STEEL | STAINLESS STEEL |
| HOOK SCREW | CARBON STEEL | CARBON STEEL | STAINLESS STEEL | CARBON STEEL | CARBON STEEL |
Product detail pictures:

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Bear "Customer initially, High quality first" in mind, we do the job closely with our customers and supply them with efficient and skilled providers for China Wholesale Motorized Ball Valve Suppliers – Forged Steel Check Valve – C. Z. IT, The product will supply to all over the world, such as: Greece, Kenya, Finland, Our expert engineering team will generally be prepared to serve you for consultation and feedback. We are able to also offer you with free of charge samples to meet your requirements. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we'll share the best trading experience with all our merchants.
Pipe fittings are crucial components in the piping system, used for connection, redirection, diversion, size change, sealing or controlling the flow of fluids. They are widely applied in fields such as construction, industry, energy and municipal services.
Key Functions: It can perform functions such as connecting pipes, changing flow direction, dividing and merging flows, adjusting pipe diameters, sealing pipes, controlling and regulating.
Application Scope:
- Building water supply and drainage: PVC elbows and PPR tris are used for water pipe networks.
- Industrial pipelines: Stainless steel flanges and alloy steel elbows are used to transport chemical media.
- Energy transportation: High-pressure steel pipe fittings are used in oil and gas pipelines.
- HVAC (Heating, Ventilation, and Air Conditioning): Copper pipe fittings are used to connect refrigerant pipelines, and flexible joints are used for vibration reduction.
- Agricultural irrigation: Quick connectors facilitate the assembly and disassembly of sprinkler irrigation systems.
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