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Description:
This mould spring is widely safety valves, control valves,three-way valves, etc.Raw material is high carbon steel.We produced some kinds of mould springs for safety valve,control valve, three-way valve and so on.They strongly pressed for24 hours and tested for 3000 times.No distortion, no rupture.Theyare used to each coal machine enterprise.
1. Applications: safety valves, control valves, tri-valves,hydraulic control check valves;
2. Tested with force of 30, 000lbs for 24-hour period ;
3. Fine craftsmanship to each coal machine enterprise.
