Double Door Check Valves - Pressure Sealed Bonnet Check Valve – Newsway

Pressure Sealed Check Valve

PRODUCT RANGE:

Sizes: NPS 2 to NPS24 (DN50 to DN600)

Pressure Range: Class 900 to Class 2500

End connection: RF, RTJ, BW

MATERIALS:

Casting (A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Monel, Inconel, Hastelloy

STANDARD

Design Features:

1.Small flow resistance for fluid；
2.Rapid opening and closing, sensitive action
3.With small close impact, not easy to product water hammer .
4.Equipped with counterweight, damper or gearbox is available as per customer request;
5.Soft sealing design can be chosen;
6.Can choose to lock the valve position in the fully open position
7.Jacketed design can be chosen.
8.Full or Reduced Bore
9.Bolted Cover or Pressure Seal Cover
10.Smooth fluid passageway and small fluid resistance;
11.Swing type disc.

Newsway Valves Materials

NSW valve body and trim material can be offered in Forged type and Casting type. Next to stainless and carbon steel material, we also manufacture valves in special materials such as titanium, nickel alloys, HASTELLOY®*, INCOLOY®, MONEL®, Alloy 20, super-duplex, corrosion resistant alloys and urea grade materials.

Available materials