China Wholesale Motorized Ball Valve Suppliers – Forged Steel Check Valve – C. Z. IT

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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:
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