PRODUCTS LIST

Gate valve
Butterfly valve
Ball valve
Globe Valve
Check valve
Control valve
Water Meter
Air valve
Copper valve
Pipe Repair & Coupling
Ductile iron(DI) pipe fittings
Strainer
Dismantling Joint

Do you know why the sealing devices are important?

2021-02-03
Leakage at the packing of valve is the most vulnerable parts of the valve.So the valves that is  opened or closed by external force are designed with a sealing device,that is , a certain number of packing sealing rings are installed in a stuffing box to achieve sealing effect.   
Requirements for packing:
1.good sealing;
2.corrosion resistance;
3.small friction coefficient;
4.comply with media temperature and pressure.