News of Check Valves,Gate Valves,Butterfly Valve,Globe Valve,Floating Ball Valve

Yuanda valve group won the title of "little giant of science and technology"

August 18, 2020

On January 9, 2019, the evaluation committee of hebei provincial department of science and technology granted the award of "little giant of science and technology" to yuanda valve group co., ltd. based on its outstanding innovation abilit...
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Selection principle of pressure reducing valve for industrial steam pipeline

August 18, 2020

Pressure stability and sensitivity to the pressure response after the valve depends on the ratio between the piston chamber or diaphragm chamber and the diameter and opening of the guide valve. The larger the ratio is, the better the stab...
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Test method and procedure for seat leakage of v-type ball valve

August 18, 2020

1. Preparation, Prepare the pressure flange corresponding to the High Temperature Ball Valves China tested and check whether the o-ring is intact. If damaged, timely replace it;
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Factors to consider when selecting a pressure reducing valve

August 18, 2020

Selection principle of pressure reducing valve for industrial steam pipeline 1. First of all, according to the working process requirements, the selection of the right type of pressure reducing valve;
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