1. ISO 9001 quality system certification
2. ISO 14001 Environmental Management System Certification
3.OHSAS18000 Occupational Health and Safety Management System Certification
4.EU CE certification...
Installation environment
Installation environment: butterfly valve can be used whether indoor and open air, but in the corrosive medium and easy to rust occasions, to use the corresponding material...
Air release valves are used in pipeline air of independent heating systems, central heating systems, heating boilers, central air release conditioning, floor heating and solar heating systems.
&nbs...
Tianjin Tanggu Water-seal Valve Co.,ltd to Showcase High-Performance Butterfly Valves at Booth 03.220F
TWS VALVE, with more than 20 years experience in industrial valve manufacturing, is pro...
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 ...
There are many types of valves, each has its own advantages and disadvantages, the following lists the advantages and disadvantages of five valves, including gate valves, butterfly valves,ball va...
Pneumatic Wafer Butterfly Valve Related Videos From Youtube