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The bottom valve is also known as the check valve, is a low pressure plate valve, its role is to ensure that the liquid in the suction pipe one-way flow, so that the normal work of the pump when the pump intermittent stop working, so that the liquid can not return to the water box, ensure that the suction pipe is full of liquid, in order to facilitate the start of the pump.
An overview of the PVC Foot Valve or Bottom Valve, is actually a check Valve, plays a role in preventing water flow back. Bottom valve according to the material can be divided into plastic bottom valve and metal bottom valve, can also be divided into ordinary bottom valve and backwash water bottom valve.
The bottom valve is mainly used in water pumps and other mechanical equipment to handle liquid. Usually, the bottom valve will be installed at the bottom of the underwater suction pipe of the water pump to prevent backflow.
The bottom valve is provided with a plurality of water intakes on the valve cover, and is equipped with a screen to reduce the inflow of debris, reduce the probability of the bottom valve blockage. Although the bottom valve is equipped with anti-clogging screen, but the bottom valve is generally suitable for cleaning media, viscosity and particles are too large medium should not use the bottom valve.
The characteristics of CPVC Foot valve is a kind of energy saving valve, generally installed at the bottom of the water pump underwater straw, limit the water pump pipe liquid return to the water source, play only in the function. The valve cover has a lot of water inlet and reinforcement, which is not easy to plug. It is mainly used in the pumping pipeline. The role of channels and supports. Caliber of single, double, multi - flap type, flange connection and thread connection. Other name: internal screw lifting type bottom valve -- bottom hole valve, water absorption valve, water filter valve, shower head; Lifting bottom valve -- flange bottom valve; Swing bottom valve -- flange swing bottom hole valve.
The bottom valve is welded to the bottom of the container for optimal emptying, cleaning and disinfecting. In addition, the working medium can be well mixed according to the requirements of various processes in the operation process. Tank bottom valve as close as possible to the tank bottom wall, so as to achieve no dead Angle effect.
1. The structure is very ideal both in terms of flow rate and process requirements. In addition, there will be no turbulence when empting.
2. Can provide all current international standard interface, such as welding type, clamp type or thread type, etc.
3. The valve body material is US304.SUS316L of course, other alloy steel can also be used according to customer's requirements.
4. The valve body surface can be mechanically polished or electropolished according to customer requirements, the accuracy can reach 0.25um.
5. The bottom valve can be equipped with manual, can also be equipped with pneumatic each pump to install a bottom valve, the bottom valve is usually installed below the water surface, and the water type bottom valve is installed above the water surface, it is the replacement of the old bottom valve, is the ideal idea of water and can replace the vacuum pump and vacuum device.
The PVDF Foot valve has reasonable design, advanced manufacturing technology, convenient installation, use and maintenance. And has the advantages of small friction resistance, long service life, energy saving, widely used in petrochemical, chemical, textile, printing and dyeing, metallurgy, mining, drainage and irrigation and other industries of water pump supporting facilities.
July 03, 2023
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