Air valves GPQW4X-10Q are applied to the pipeline exhaust in independent heating systems, centralized heating systems, heating boilers, central air conditioners, floor heating systems, solar heatin...
When selecting the correct type of butterfly valve for your industrial application, it is important to consider the specific requirements of the system. Two common butterfly valve types that are wi...
The difference between gate valve, ball valve and butterfly valve:
1. Gate valve
There is a flat plate in the valve body which is perpendicular to the flow direction of the medium, and the flat pla...
Before the valve is installed, the valve strength test and valve sealing test should be performed on the valve hydraulic test bench. 20% of low-pressure valves should be inspected randomly...
For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threads should be intact and no loosening is allowed. ...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...