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FREE-VALVE’s foot valve is a kind of energy saving valve, usually installed at the bottom of the suction pipe of pump. The functions of foot valve are designed to stop water from going backwards when the pump shuts off and only allow the water flow forward . As many inlet and stiffeners are designed on the valve bonnet , the valve is not easy to clog . The foot valve is usually applied at suction pipe . The valve disc usually designed as signal disc ,and connection method is flange .
Features
1. foot valve is composed of valve body, disc, cover,strainer basket, sealing ring and other parts.
2. The disc is moved up and down under fluid pressure drop between inlet and outlet to realize the valve opening and closing. The valve opens under the pressure of the fluid.
3. When the pump stops working, the valve will be shut off quickly under pressure of outlet pipe , and the liquid will not flow back to the water source, which will help the water suction pump and save water loss.
4. Flow area is 2 to 3 times of the pipe area about stainless steel or carbon steel strainer basket.
Technical Specification:
1. Size Range: NPS2~NPS20,DN50~DN500
2. Applicable Temperature: 0~300℃
3. Connection Type: Flange
4. Sealing material: soft sealing or hardness sealing
5. Material of main parts：WCB,stainless steel
6. Test standard：GB/T13927,API598
Application:
FREE-VALVE’s flange foot valve is mainly used in various water supply and drainage systems and oil, chemical, metallurgical and other industries of water pumps supporting.The valves are installed at the bottom of the suction pipe under the water pump, restrict the return of liquid to the water source in the pump tube, and play a function of only entering but not returning.
Model:FRH41H
Price:100-1000USD/set
Price terms:FOB,CFR,FCA,CIF
Payment terms:TT,LC
Origin:China
Wechat:Free_Valve
Email&skype:marketing@free-valve.com
Whatsapp:+8613460250295
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