Valves

Screw foot valve

Name: Screw foot valve
Rating: 3 (34 reviews)

Brand: FREE-VALVE·Ships from China

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Item Details

Product Specification

Brand	FREE-VALVE
Structure	Shutoff
Material	Stainless Steel
Standardized	Yes
Media	Water
Temperature of Media	Medium Temperature
Pressure	Medium Pressure
Power	Others
Application	water,chemical

Product Descriptions

FREE-VALVE’s screw 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. Screw 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~NPS8,DN50~DN200

2. Applicable Temperature: 0~300℃

3. Connection Type: screw

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 screw foot valve is designed for using in irrigation as well as other pumping applications where water may be dirty due to suspended silt and sand. It offers extremely low head loss. Valve body is cast steel construction. Ports are female screw for easy installation.

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The function<span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">s<span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> 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 . <span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> Features <p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">1. Screw foot valve is composed of valve body, disc, cover,strainer basket, sealing ring and other parts.<p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">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.<p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">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.<p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">4. Flow area is 2 to 3 times of the pipe area about stainless steel or carbon steel strainer basket. <p class="p" style="margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> Technical Specification:1. Size Range: NPS2~NPS8,DN50~DN2002. Applicable Temperature: 0~300℃3. Connection Type: screw4. Sealing material: soft sealing or hardness sealing5. Material of main parts：WCB,stainless steel6. Test standard：GB/T13927,API598Application: <span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">FREE-VALVE’s <span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">screw<span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> foot<span style="font-family: Arial; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> valve<span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> is designed for using in irrigation as well as other pumping applications where water may be dirty due to suspended silt and sand. It offers extremely low head loss. Valve body is cast steel construction. Ports are female screw for easy installation.

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