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2022-07-14Structural characteristics and application scope of safety breather valve
Structural characteristics and application scope of safety breather valve: Fire safety breather valve is composed of safety breather valve and fire arrester. The structure of the safety breather valve ...
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2022-07-14Installation and use of explosion-proof breather valve
The principle of explosion-proof breather valve is to use the weight of positive and negative pressure valve disc to control the positive exhaust pressure and negative suction pressure of storage tank....
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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...
