Wafer dual plate check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as ...
(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...
TWS Valve Factory Will Close several days from February 12 to February 22 to celebrate our Spring Festival,We will back then and during the holidays,There maybe some delay for reply your emails,Hop...
Butterfly valves provide an efficient method of closing fluids on and off, and are the successor to traditional gate valve technology, which is heavy, difficult to install, and does not provide the...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
First of all, whether it is a ball valve or a butterfly valve, etc., there are soft and hard seals, take the ball valve as an example, the use of soft and hard seals of ball valves is different, ma...