1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
“Golden beach, blue sea, on the coast, we enjoy the sand and water. Into the mountains and rivers, dancing with nature. Travel group building, find the heart’s yearning”
In this f...
When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
After the valve has been running in the pipeline network for a period of time, various failures will occur. The number of reasons for the failure of the valve is related to the number of parts that...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
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...
Gate Valve Gearbox Manufacturer Related Videos From Youtube