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2021-07-01Structural characteristics of double seat control valve
The double seat control valve adopts double guide structure and is equipped with multi spring actuator. The utility model has the advantages of compact structure, light weight, sensitive action, large ...
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2021-07-01Maintenance Manual of high voltage flame arrester
1) In order to ensure the performance of high pressure flame arrester reaches the purpose of use, before installing the flame arrester, the manual provided by the manufacturer must be carefully read an...
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2021-06-17What are the advantages of metal butterfly valve
1. Hard seal butterfly valve has rich types and high adaptability: as we all know, different industries and mechanical systems need different specifications and types of butterfly valve control system....
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2021-06-17What is the principle of hydraulic balance circuit?
The principle of the hydraulic balance circuit is to keep a certain back pressure value on the oil return circuit of the hydraulic actuator, so as to balance the gravity load and prevent it from fallin...
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2021-06-08Working principle, installation and application of pneumatic valve
1、 Working principle of pneumatic valve Pneumatic valve is a kind of pneumatic control valve, which uses compressed air to enter the pneumatic actuator to drive the piston to move, and rotating or li...
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2021-06-08How to install exhaust valve correctly in heating furnace?
1. Firstly, the block valve shall be vertically installed at the height of the pipeline, and then the valve body shall be screwed on the block valve with a wrench. More than 10cm maintenance space shal...
