A216 WCB big size 20inch ANSI B16.34 swing Check Valve

Standard: ANSI B16.34

Big size swing check valves.

diameter: 16” 16inch? 20inch?

Pressure range: 150LBS

Bolted Cover Design.

Flanged ends RTJ

Butt welded Ends ANSI B16.25

Test and inspection: API 598.

Customized Design can be negotiated

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Production Range:

Optional Stem: Stainless steel /SAF2507/SAF2205

Optional Seat & Trim: , STL, 2CR13, stainless steel/ Duplex Stainless steel

Optional End: Butt Welded ends, RTJ, RF.

Range of valve big sizes: 14″~60″ (DN350~DN1500).

Range of pressure: 150lbs~1500lbs (PN16~PN250).

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storage, use and installation

1 The two ends of the valve passage shall be sealed with sealing caps and stored in a dry and ventilated room. Long-term storage should be checked frequently to prevent corrosion

2 Before installation, the valve should be cleaned and the eliminated defects that may be caused during transportation.

3 Before installation, it is necessary to check carefully whether the signs and nameplates on the valves meet the requirements for use.

4 This valve shall be installed in an upright or side-lying position on horizontal or vertical pipelines, and shall be convenient for maintenance and operation.

5 This valve should be fully open or fully closed during operation, and can’t be used for throttling to avoid the sealing surface being washed away and accelerating wear.

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Application:

The medium is water, steam, gas, corrosive medium, oil, medicine, etc.

not suitable for media with solid particles and high viscosity.