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...
Emerson has introduced the first valve assemblies that meet the design process requirements of Safety Integrity Level (SIL) 3 per the International Electrotechnical Commission’s IEC 61508 standard....
1. Basic Definition and Structure
A soft sealing flanged concentric butterfly valve (also known as a “center-line butterfly valve”) is a quarter-turn rotary valve designed for on/off or...
Today, this article mainly shares with you the production process of the wafer concentric butterfly valve Part One.
The step one is preparing and Inspecting all the valve parts one by one. Before a...
1. What are the soft seal and hard seal of gate valve?
Soft-sealed gate valves use non-metallic elastic materials such as rubber and PTFE as seals, which are soft and hard in conjunction with the m...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
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