xiniao

1. The valve should be placed in a ventilated and relatively dry chamber, and both ends of the valve passage should be blocked. Both pneumatic ball valves and pneumatic butterfly valves need to be kept dry. 2. If it is ... Read More

1. The fluid resistance is small, and its resistance coefficient is equal to that of the pipe section of the same length. 2. Simple structure, small size and light weight. 3. Tight and reliable, the sealing surface material of the ... Read More