What role does the three eccentric hard ...

Three eccentric hard seal butterfly valve plays a very important role in petrochemical industry. The...

Learn the patrol inspection technical kn...

Stainless steel stop valve Patrol inspection of valves: doing a good job of valve patrol inspection ...

Surface hardening treatment of multi-lev...

The sealing surface of multi-level hard sealing butterfly valve is made of superhard material or sur...

Essence and advantages of ball valve

In essence, the ball valve is a quarter turn rotary valve, that is, rotate it 90 degrees to fully o...

Characteristics and channel form of stai...

Stainless steel stop valve is a kind of stop valve, which has high requirements for valve body mater...

Warm congratulations on the successful c...

Welcome Chinese air separation equipment...

In 2015, excellent employees of the comp...