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 pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve uses a circular butterfly plate that rotates with the valve stem for opening a...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
Soft seal gate valve, also known as elastic seat gate valve, is a manual valve used to connect pipeline media and switches in water conservancy engineering. The structure of the soft seal gate valv...
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...
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