We have an excellent technical team, our products in quality and quantity will make you satisfied, welcome to buy
Ball valves include: floating ball valve, fixed ball valve, track ball valve, V-shaped ball valve, three-way ball valve, stainless steel ball valve, cast steel ball valve, forged steel ball valve, ash unloading ball valve, sulfur resistant ball valve, pneumatic ball valve, electric ball valve, ferru
1. Bypass valve: the ball valve is generally opened by static water, so the bypass valve is set for flat pressure first, that is, both sides are filled with water;2. Air valve: when filling water, remove the air and take the float to close the valve by itself; During drainage, make up air and the po
