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What is the function of the foot valve?

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The Foot valve consists of valve evaluation, disc, bonnet, bushing, sealing ring and other parts. See the water from the water source in the figure below from the bonnet to the valve body. Under the action of fluid pressure, the valve disc opens water.

When the pressure in the outlet pipe closes the valve disc rapidly after stop, the liquid will not be poured back to the water source, which plays the role of unblocked pumping and saving water energy loss.

  1. Check valves should be installed on equipment, installations and pipes to prevent medium backflow.
  2. Check valves are generally suitable for cleaning media, not for media containing solid particles and high viscosity.
  3. Vertical lift check valves should be generally used in horizontal pipelines with nominal diameter of 50mm.

STV Delivery CF8 Flange Foot Valve,PN16,DN300

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Stainless steel Foot valves are widely used in water treatment equipment, chemical equipment, petrochemical equipment, petroleum equipment, papermaking equipment, mining equipment, power equipment, liquefied gas equipment, food equipment, pharmaceutical equipment, water supply and drainage equipment.

Stainless steel material AISI 304 (CF8). Seat 304 material, gasket PTFE. With manual system to empty. Max. working pressure 16 bar.
The stainless steel foot valve is an energy-saving valve that is typically installed at the bottom of the pump’s underwater suction tube. Restrict the return of liquid from the water pump tube to the water source, and it can only function as an inaccessible. There are a lot of water inlets and ribs on the bonnet, which is not easy to block, and is mainly used in the pumping pipeline. The role of waterways and supports. The calibers are single-lobed, double-lobed, and multi-lobed. Under the pressure of the fluid, the valve flap opens the water. When the pressure in the outlet pipe is quickly closed after the stop, the liquid will not be returned to the water source, which will serve as a smooth pumping and save water energy loss.

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