China Professional Design Dn80 3inch Gate Valve - A216 WCB 600LBS Swing Check Valve – Deye Manufacturer and Supplier

Professional Design Dn80 3inch Gate Valve - A216 WCB 600LBS Swing Check Valve – Deye

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Professional Design Dn80 3inch Gate Valve - A216 WCB 600LBS Swing Check Valve – Deye Detail:

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.

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Full bore Check valves

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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

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