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2022-07-04What is the function of the check valve
1. The function of the check valve is to prevent the backflow of the medium, the reverse rotation of the pump and drive motor, and the discharge of the container medium. 2. Check valve refers to the va...
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2022-07-04How to open and close the check valve
Opening and closing of check valve: the opening and closing part is a circular valve disc, which acts by its own weight and medium pressure to block the backflow of medium. The medium flows in from the...
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2022-06-15Specific functions of internal bellows of bellows gate valve
Key points of construction and installation of bellows gate valve 1) The installation position, height, inlet and outlet direction must meet the design requirements, and the connection shall be firm an...
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2022-06-15Precautions for installation of low temperature gate valve
Precautions for installation of low temperature gate valve 1. before the installation of low-temperature gate valve, the valve cavity and sealing surface must be checked, and no dirt or sand is allowed...
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2022-05-18What are the functions and functions of the breather valve
The breathing valve has the functions of releasing positive pressure and negative pressure. Specifically, when the container bears a certain positive pressure, the breathing valve will open to release ...
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2022-05-18Principle and standard performance of tank pilot breather valve
The tank pilot operated breather valve is a safety valve installed on the breather valve tank. When the breather valve fails or cannot be effectively started, and the internal and external pressure of ...
