How does the air in the schematic diagram of plastic pneumatic ball valve come from? Flexible expansion valve is designed for pipeline system to absorb pipeline movement, reduce stress, reduce system noise/vibration, compensate misalignment/offset, and protect rotating machinery from starting impact.
Materials for making Dongfeng single ball valve
1. (Outer and inner layers): EPDM NBR and neoprene
2. Reinforcing layer: nylon fabric and
3. Wire material: stainless steel wire
4. Flange material: carbon steel, stainless steel and ductile iron
