A216 WCB 600LBS Swing Check Valve
A216 WCB 600LBS standard API600 Swing Check Valve
Design standard: API 600.API594 BS1868
Body material: A216WCB
Nominal diameter: 4”
Pressure: CL600LBS
End connection: RF. Flange
Face to face: ASME B16.10.
Working temperature: -29℃~+425℃.
Test and inspection: API 598.
BC bolted Cover Check Valve
Full bore Check valves
High Pin Flat Disc Check Valves
Product Range:
Available Material: CS, SS, Special Alloy, UNS31802, UNS32750
Optional Stem: A182F6a, A182F304, A182F316, F51/F53
Optional Seat & Trim: Stainless steel, Alloy Steel, SDSS.
Optional End connection: BUTT WELDING, BSP, NPT, RF SW
Range of valve sizes diameter: 1/2″~60″ (DN15~DN1500).
Range of pressure: 150lbs~2500lbs (PN16~PN420).
Optional Operation: automatic type or Lever and counter weight
Failure analysis and troubleshooting
|
Malfunction |
Reason |
Elimination method |
|
Leakage at bonnet and valve body connection |
1 The bolt nut is not tightened or the elastic cloth is even2 The sealing surface of the middle flange is damaged or with dirt and impurities3 Gasket damaged | 1 Tighten the nuts evenly2 Repair sealing surface and remove dirt and impurities3 Replace the gasket |
|
Leakage at the sealing surface of the disc and seat |
1 Dirt trapped between sealing surfaces2 The sealing surface is damaged | 1 Open the valve body and clean it2 regrind or reprocess |
Available Material: CS, SS, Special Alloy, UNS31802, UNS32750
Optional Stem: A182F6a, A182F304, A182F316, F51/F53
Optional Seat & Trim: Stainless steel, Alloy Steel, SDSS.
Optional End connection: BUTT WELDING, BSP, NPT, RF SW
Range of valve sizes diameter: 1/2″~60″ (DN15~DN1500).
Range of pressure: 150lbs~2500lbs (PN16~PN420).
Optional Operation: automatic type or Lever and counter weight
|
Malfunction |
Reason |
Elimination method |
|
Leakage at bonnet and valve body connection |
1 The bolt nut is not tightened or the elastic cloth is even2 The sealing surface of the middle flange is damaged or with dirt and impurities3 Gasket damaged | 1 Tighten the nuts evenly2 Repair sealing surface and remove dirt and impurities3 Replace the gasket |
|
Leakage at the sealing surface of the disc and seat |
1 Dirt trapped between sealing surfaces2 The sealing surface is damaged | 1 Open the valve body and clean it2 regrind or reprocess |
The medium is water, steam, gas, corrosive medium, oil, medicine, etc.
Suitable for clean media, not suitable for media with solid particles and high viscosity.
