High-pressure fog spray nozzles are composed of internal and external chemical filters, plate core, nozzle plunger and the orifice,which is a kind of ...
non rising soft seal gate valve
1) Product information: the gate valves supplied are mainly used for adjusting water,steam, oil, gas, and natural gas...
Non rising soft seal gate valve
1) Product information: the gate valves supplied are mainly used for adjusting water,steam, oil, gas, and natural gas...