• Anti-Pollution Cut off Valve (NPT)
  • Anti-Pollution Cut off Valve (NPT)
  • Anti-Pollution Cut off Valve (NPT)
  • Anti-Pollution Cut off Valve (NPT)
  • Anti-Pollution Cut off Valve (NPT)
  • Anti-Pollution Cut off Valve (NPT)

Anti-Pollution Cut off Valve (NPT)

Certificate: ISO
Finish: Epoxy Resin Coating / Fine Polish
Connecting: Flange / Screw
Type: Single Chamber / Double Chamber
Airvent: with Air Vent
Transport Package: 1. Inner: Plastic Package2. Outer: Plywood Case
Customization:

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Basic Info.

Model NO.
HS11X
Specification
ISO9001: 2000
Trademark
guanlong
Origin
China
HS Code
8481804090
Production Capacity
5.000PCS/Month

Product Description

Valve Standard:
Conventional type anti-pollution cut off valve is composed of two check valves in tandem connection.
Safety type anti-pollution cut off valve is to add a drainage and decompression device to the secondary check valve system. In this case, even if all the secondary check seals are broken together, it still can function to prevent back flow. Therefore, it is a safety device to prevent back flow pollution in pipeline of daily drinking water system. Safety type anti-pollution cut off valve is composed of secondary check valve and a drainage and decompression system. The upper cavity connects with the inlet of first-stage non-return system. The first and second stage check valve system mainly consists of valve body, inlet connector, disc, gasket, spring, etc. Drainage and decompression system mainly consists of valve bonnet, diaphragm, gasket, outlet, spring and air block device.
Suitable Medium Water, Oil, Gas and etc.
Main material PN10--PN25CAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC.
Suitable Temperature ≤80
Nominal Pressure
Nominal Diameter DN40--DN600
Flange Dimension ASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirements
Face to Face Length API594,BS5155, ISO5752, DIN3352 and other standards conforming to the requirements

Anti-Pollution Cut off Valve (NPT) Anti-Pollution Cut off Valve (NPT) Anti-Pollution Cut off Valve (NPT) Anti-Pollution Cut off Valve (NPT) Anti-Pollution Cut off Valve (NPT)

Anti-Pollution Cut off Valve (NPT)
Anti-Pollution Cut off Valve (NPT)

 

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