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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...
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2021-04-30What should be paid attention to when installing digital balance valve
Digital balance valve is a valve which can be adjusted dynamically and statically under hydraulic condition. The principle of digital balance valve is the reverse regulation in the valve body. When the...
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2021-04-30Installation and maintenance of angle stop valve
1. The hand wheel and handle operated globe valve of angle globe valve can be installed at any position of pipeline. 2. Hand wheel, handle and moving mechanism are not allowed to be used for lifting. 3...
