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From the point of view of convenience, fast connectors have appeared in the fluid system. Fast joint is a fluid connection mechanism which ca...

Gasket is the main seal of flange connection, so the correct choice of gasket is also the key to ensure that flange connection does not leak....

Butterfly valve is a kind of valve whose closure (disc or butterfly plate) is a disc, which rotates around the valve axis to open and close. ...

The Asian Logistics Biennial Exhibition was held in Shanghai New International Expo Center from May 16 to 18, 2018. The exhibition is held on...

In the low temperature environment, metal materials will produce cold brittleness at low temperature, that is, strength and hardness increase...