| Customization: | Available |
|---|---|
| Media: | Water, Steam, Oil, Gas etc |
| Temperature: | Ordinary Temperature |
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Conventional type anti-pollution cut off/block valve is composed of two check valves in tandem together.
Safety type anti-pollution cut off valve is to add to 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.| Medium applicable | Water, Oil, Gas and etc. |
| Main material | CAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC. |
| Temperature applicable |
≤80ºC |
| Nominal Pressure | PN10--PN25 |
| 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 |
Zhejiang Mencrown Valve Co., Ltd, old name Zhejiang Guanlong Machinery Valve CO Ltd, locates at Oubei Sanqiao Industrial Zone, Wenzhou city.
As a medium-sized professional valve manufacturer, our company dedicated to make all kinds of water supplying and drainage valves, mainly including check valves, water control valves, pump control valves, flow and pressure regulating valves, strainers, air release valves etc. We make all efforts on products research, design, production, sales, installation and other services. Besides standard products, we also design and make nonstandard valves according to drawings or samples from users. Our products are sold all over the country as well as other parts of the world like America, Africa, Middle East and Southeast Asia. Products are widely used in chemical industry, oil production industry, paper production industry, construction industry, fire protection sector, electric power industry and water engineering projects. Our products enjoy a good reputation and trust from users.
1. Are you a trading company or factory?
We are a manufacturer factory and we also have our own exporting license.
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