Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2015 certificate
OEM/ODM Service
Sample Available

Valve, Anti-Pollution Cut off Valve, Control Valve manufacturer / supplier in China, offering Anti-Pollution Cut off Valve (NPT), Square Cast Iron Gate Sluice Valve / Penstock, Swing Type Butterfly Slow Shut Buffer Non Return Check Valve (H47X/H) and so on.

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Anti-Pollution Cut off Valve (NPT)

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Purchase Qty. / Reference FOB Price
1-499 Pieces US $116
500+ Pieces US $232
Production Capacity: 5.000PCS/Month
Transport Package: 1. Inner: Plastic Package2. Outer: Plywood Case
Payment Terms: T/T
Certificate: ISO
Specification: ISO9001: 2000
Trademark: guanlong
Origin: China

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Basic Info

Model NO.: HS11X
HS Code: 8481804090

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 MediumWater, Oil, Gas and etc.
Main materialPN10--PN25CAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC.
Suitable Temperature≤80
Nominal Pressure
Nominal DiameterDN40--DN600
Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirements
Face to Face LengthAPI594,BS5155, ISO5752, DIN3352 and other standards conforming to the requirements

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

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