Anti Pollution Cut off Valve Safety Back Flow Preventor
China Anti Pollution Cut off Valve Safety Back Flow Preventor, Find details about China Membrane Check Valve, Anti-Pollution Valve from Anti Pollution Cut off Valve Safety Back Flow Preventor
Basic Info.
Trademark
KARFAR
Origin
China
Trademark
KARFAR
Origin
China
Product Desciption
Anti-Pollution Cut off Check Valve with Atmospheric Vent
Model NO. GHS11X
Conventional type anti-pollution cut off valve is composed of two non-return valves in tandem connection.
This Model GHS11X safety type anti-pollution cut off valve is with an extra drainage and pressure relief device at the secondary non-return system. In this way, even if two non-return sealings are broken at the same time, it still can prevent back flow.
It is a safety device to prevent back flow pollution in pipeline of daily drinking water system and it keeps drinking water safe and healthy. Safety type anti-pollution cut off valve is composed of two non-return valves and one drainage and pressure relief device. 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 pressure relief device mainly consisted of valve bonnet, diaphragm, gasket, drainage outlet, spring and air block device.
Material
Model NO. GHS11X
Conventional type anti-pollution cut off valve is composed of two non-return valves in tandem connection.
This Model GHS11X safety type anti-pollution cut off valve is with an extra drainage and pressure relief device at the secondary non-return system. In this way, even if two non-return sealings are broken at the same time, it still can prevent back flow.
It is a safety device to prevent back flow pollution in pipeline of daily drinking water system and it keeps drinking water safe and healthy. Safety type anti-pollution cut off valve is composed of two non-return valves and one drainage and pressure relief device. 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 pressure relief device mainly consisted of valve bonnet, diaphragm, gasket, drainage outlet, spring and air block device.
| Medium applicable | Water etc |
| Temperature applicable | 0 ~ 80ºC |
| Nominal Pressure | PN10--PN40(CL150, CL300) |
| Nominal Diameter | DN40--DN600 |
| Flange Dimension | ASME B16.42, BS4504, ISO2531, ISO7005 and other standards conforming to the requirements |
| Thread type | ISO, NPT, BSP etc |
| Face to Face Length | ANSI B16.10, API594,BS5155, ISO5752, DIN3352 etc. |
Material
| Body, Cover | Disc, Seat | Drainage device | Stem | Gasket | Spring |
| Gray Cast iron, Ductile Iron, Cast Steel Brass etc | Brass Stainless steel | Cast steel, Stainless steel | Stainless steel | NBR | Stainless steel |
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