I. Pre-installation Preparation
1. Check the valve specification model, pressure level, and flow direction identification to ensure that it meets the design requirements.
2. Check th...
The valve continuously maintains and completes the given functional requirements within a certain working time, and the performance of maintaining the given parameter value within the specified ran...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
From June 16th to 18th, the “Control Valve Advanced Technology Training Course” sponsored by the Control Valve Branch of China Mechatronics Technology Application Association and co-org...
Difference in Working Principle Between NRS Gate Valve and OS&Y Gate Valves
In a non-rising flange gate valve, the lifting screw only rotates without moving up or down, and the only part visib...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...