When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
Municipal water systems need durable valves for high flow, changing pressure, and varied conditions. Butterfly valves are popular in medium-to-large pipelines for their compact design, fast action,...
1. What is the internal thread connection of the valve?
Internal thread connection means that the end of the valve body is processed into a tapered tube or straight tube female thread (internal thr...
1. What is a rubber joint? What is its function in piping systems?
Rubber joints, also known as rubber soft joints and flexible rubber joints, are flexible connecting elements installed between val...
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...
Butterfly valve is a kind of valve that uses a disc opening and closing part to reciprocate about 90° to open, close or adjust the flow rate of the medium. Butterfly valve not only has simple struc...
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