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:
Related Product Guide:
What are duplex stainless steel applications?
Our well-equipped facilities and excellent excellent management throughout all stages of creation enables us to guarantee total buyer satisfaction 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: Germany, Guinea, Singapore, Each product is carefully made, it will make you satisfied. Our merchandise in the production process have got strictly monitored, because it is only to supply you the best quality, we'll feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.
By Arabela from Italy - 2017.05.02 11:33
This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
By Deirdre from Slovakia - 2018.11.11 19:52