阀门不仅在各行业使用范围广泛，而且使用环境也是各有不同，一些处于恶劣工作环境下的阀门就容易出现问题。由于阀门是重要设备，特别是对于一些大型阀门来说，一旦出现问题需要修理或者更换是相当麻烦的。所以做好日常的维护和保养尤为重要。下面我们就来了解一下有关阀门保养的一些小知识吧…

According to the role and use of gate valve and butterfly valve, the flow resistance of gate valve is small, and the sealing performance is good, because the flow direction of gate valve valve plate and medium is vertical Angle, if the gate valve switch in the valve pl…

Do you know the 9 misunderstandings of valve installation? Lets take a look!01 Bolt is too longThe bolt on the valve, only one or two threads over the nut can be. Reduces the risk of damage or corrosion.02 Control valves are not isolated separatelyAlthough the isolati…

1. StomataThis is a small cavity formed in the metal by the gas that fails to escape during the solidification process, its inner wall is smooth, contains gas, and has a high reflectivity to ultrasonic waves, but because it is basically spherical or elliptic, that is, …

Due to the difference in upstream and downstream pressure, the flow of material through the valve is called pressure drop (△P) or differential pressure. If the pipe size is the same upstream and downstream of the valve and the speed is constant, the valve must reduce …