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Shandong Taifeng Hydraulic Co., Ltd.

China Manufacturer with main products: Two-Way Cartridge Valve Manifold Blocks, Solenoid Directional Valve, Prefill Valve, High-Performance Hydraulic Control Components, Hydraulic...

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Prefill Valve

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


Prefill Valves are shutoff valve and mainly used to large-flow fill liquid and drainage to improve their empty process speed and return speed. It could be overlay assembly through high-pressure flange so it is very convenient to assembly and repair and could be instead of exported products. This prefill valve is normally closed. The working principle is similar with hydraulic-control check valve. The direction from A to B is quite free, but the direction from B to A could be controlled. When there is pressure in port X, then check valve open and B to A is connected. When the pressure on X port is released, then check valve closed, then B to A is blocked up.
Low-cracking pressure, good self-priming
Fluent runner design, small flow-resistance
Low control pressure, reliable reset
Flange-connecting form in the middle, convenient to repair
Compact structure, smallest dimension

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