I. What is FM certification? Why does the valve need it?
FM certification is issued by FM Approvals (affiliated with FM Global insurance company) and is a globally recognized authoritative certific...
The difference between gate valve, ball valve and butterfly valve:
1. Gate valve
There is a flat plate in the valve body which is perpendicular to the flow direction of the medium, and the flat pla...
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...
First of all, whether it is a ball valve or a butterfly valve, etc., there are soft and hard seals, take the ball valve as an example, the use of soft and hard seals of ball valves is different, ma...
The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
Body Structure:
The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficient strength and rigidity to withstand the pressur...
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