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What is the judgment standard of valve internal leakage? …

2021-02-01

The valve is the control component in the fluid transmission system, which can be used for the valve of the fluid control system, and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil produ…

Selection principles of valves in petroleum and chem…

2021-02-01

In the face of so many valve classifications and so complex various working conditions, to choose the most suitable valve product for pipeline system installation, we should first understand the characteristics of the valve; Secondly, we should master the ste…

Why install a pressure reducing valve on the gas cylinder…

2021-02-01

1. Pressure reducing valve

Common valve installation knowledge, these dry goods are …

2021-02-01

Inspection before valve installation① Carefully check whether the valve model and specification meet the requirements of the drawing.② Check whether the valve rod and disc can be opened flexibly and whether they are stuck and skewed.③ Check whether the val…

How much do you know about basic knowledge of gate valves…

2021-02-01

1 Definitions and terms of gate valves1. Definition of gate valveGate valve refers to a valve whose opening and closing parts (gate) move along the vertical direction of the medium flow direction (channel axis) to realize opening and closing.Among various typ…

Analysis and solution of technical faults of hard sealed …

2021-02-01

Hard sealed ball valves are much more stringent than soft sealed ball valves in service conditions. High temperature, strong corrosion, dust, particles, mud and other media have caused considerable obstacles to the continuous use of hard sealed ball valves. I…

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What is the judgment standard of valve internal leakage? …

Selection principles of valves in petroleum and chem…

Why install a pressure reducing valve on the gas cylinder…

Common valve installation knowledge, these dry goods are …

How much do you know about basic knowledge of gate valves…

Analysis and solution of technical faults of hard sealed …

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