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2021
07-22
What are the common faults of valve special motors
Low protection level: The dedicated valve motor provided by Denso is a fully enclosed squirrel cage structure, with short-time intermittent work (10min) self-cooling. According to the requirements of G…
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2021
07-22
Principles of valve selection in the petroleum and chemical industry
Faced with so many valve classifications and such complex various working conditions, to choose a suitable valve product for the pipeline system installation, you should first understand the characteri…
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2021
07-22
Application and principle of speed control valve
The speed control valve is composed of three parts: a hydraulic reversing valve, a simple throttle valve and a fixed differential pressure reducing valve. When the oil cylinder stops running, there is …
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2021
07-22
Types and working principles of gate valves
The opening and closing part of the gate valve is a gate. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, an…
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2021
07-22
Do you know everything about the installation of check valves?
Check valve is also called one-way valve or check valve, its function is to prevent the medium in the pipeline from flowing back. The bottom valve of the pump to close the water also belongs to the non…
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2021
07-22
Why is the use of gate valves forbidden in oxygen pipelines阀
In recent years, with the increase in oxygen consumption, most oxygen users have used oxygen pipelines for transportation. Due to the long pipelines and wide distribution, coupled with the sudden openi…
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2021
07-22
Introduce the working principle of high pressure angle globe valve
The globe valve is a forced sealing valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface to not leak. When the medium enters the valve six from below th…
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2021
07-22
Flat gate valve use structure description characteristics
1. Features of flat gate valve1. The valve seat adopts an O-ring seal and a floating seat structure that applies pre-tightening force to seal the inlet and outlet of the flat gate valve in both directi…
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2021
07-22
The working principle of the plug valve and the main classification of the plug valve
The plug valve is a shut-off or plunger-shaped rotary valve. The passage port on the valve plug is the same as or separated from the passage port on the valve body by rotating 90 degrees to achieve ope…
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2021
07-22
What is a three-way valve?
The three-way valve has three inlets and outlets, which are connected with three pipelines for the merging, diverting and reversing of fluids. The Y-type three-way valve has a degree of 120 and 135, an…
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