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...
Tianjin North Net News: In the Dongli Aviation Business District, the city’s first individual-funded machine tool museum has officially opened a few days ago. In the 1,000-square-meter museum...
In the world of wastewater management, choosing the right valve is critical to ensuring efficient and reliable operation of your system. Wastewater treatment plants use various types of valves to r...
Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to consider.
Valve corrosion form
The corrosion o...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
The purpose of using a check valve is to prevent the reverse flow of the medium, and a check valve is generally installed at the outlet of the pump. In addition, a check valve is installed at the o...