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.
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On the occasion of the joyful and peaceful Christmas, TWS’s a leading domestic valve manufacturing company, uses its professional approach to ensure the safety and reliability of fluid control, and...
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...
The continuous development of the valve industry (1967-1978)
01 Industry development is affected
From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...
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...