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700X Pump Control Valve
700X Pump Control Valve
Detailed 700X Pump Control Valve Description
The main valve comprises valve body, stem assembly, diaphragm, and seat. The upper chamber is control chamber, and down chamber is flow through chamber. The valve is separated by diaphragm into two chambers, up and down. The valve stem is driven by diaphragm up and down, and driven force comes from the differential pressure taken by two sides of diaphragm. When the pump is about to stop water supply, the valve first shuts off slowly by about 90% so as to avoid water hammer caused by the sudden shutdown of the pump. 

The 700X pump control valve is a kind of check valve intended for installation at outlets of pumps in high - rise buildings and other water supply systems to prevent reverse flow of the medium. When the pump comes to a complete stop, the valve then shuts off completely so as to prevent the reverse flow of water pumped out. This product is an indispensable protective device at outlets of pumps. This can effectively protect the pump and avoid the reverse rotation caused by the impact of reverse flow. It has a streamlined design, can realize precise turning on / off through guidance and is controlled by the solenoid valve. 

a) Pressure rating: PN10. Furthermore, reliable, our pump control valve is safe, effectively avoids water hammer, boasts a long service life and is easy to install and maintain. PN16. PN25 / Class150
b) Size range: DN20mm - DN800mm (3 / 4" ĘC 32")
c) Test and inspection: GB / T 13927, API598

We have been a leading manufacturer and exporter of 700X Pump Control Valve

Contact information: Inquire
Address: Room 2612, 587 Changshou Road, Shanghai City. China
Company Name: Shanghai Chuanggao Valve Co., Ltd.
Contact Person: Chengzhang Lin
Fax: 86-21-62323737
Telephone: 86-21-62321717, 62322727
Zip: 200060

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