Brand:WMJ coal mining valve
Model:WMJ COAL MINING
1.Mining Use Spherical Hydraulic Stop Valve
2.oil stop valve
3.mini stop valve
4.hydraulic bleed valve
5.Good Quality all
Mining Use QJ Spherical Stop Valve
1.Low price
2.High quality
3.Durable
coal cutter of mining tools
1) Longtime of life
2) Their service life are above ordinary truncation tooth's 3 times .
we can offer various style such as U76 U82 U84 U85 U92 U94 U95 U138 U170etc.and the coal ming bits fixed with ring washer or snap ring.
pilot operated check valve
1.Durable
2.High quality
3.Very competitive price
Hydraulic Support Parts: control valve, ball valve, check valve, safety valve, one-way lock, double lock, flat cut-off valve, return oil circuit breakers, filters, control valves, bottom valves, etc.
.Work Principle:
Ball valve, which includes the body with a valve chamber, set the interval of two seats in the valve chamber, and set the two seat in said valve chamber between the seal and the fluid in the valve seat, by the The surface of the body perpendicular to the valve chamber to open the hole to set a shaft connected with the ball, set in hand block and the spring seat will handle shaft, with return spring and the body as a whole. The advantage of versatility, simple structure, easy maintenance, the probability of occurrence of malfunction is reduced to zero.
2.Uses: ball valve system for the charge, branch piping system failure or maintenance, the need to cut off the face of a high-pressure fluid in charge of road and support line, leaving the other in charge of road to the pipeline system between the pump can still be working nominally.




