Pneumatic wafer soft seal butterfly valve compact structure, 90° rotary switch easy, reliable sealing, long service life, is widely used in water plants, power plants, steel mills, papermaking, che...
Butterfly valves have been used extensively for several years in many projects all over the world and proved its capability in performing its function because they are less expensive and easy to in...
The check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is the standard size of the American standard che...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
1. Basic Definition and Structure
A soft sealing flanged concentric butterfly valve (also known as a “center-line butterfly valve”) is a quarter-turn rotary valve designed for on/off or...
A.Gate valve installation
Gate valve, also known as gate valve, is a valve that uses a gate to control the opening and closing, and adjusts the pipeline flow and opens and closes the pipeline by ch...