Longwan Donghai Butterfly Valve Factory specializes in producing hard seal butterfly valve, soft seal butterfly valve, flange butterfly valve and other products!
Tel：0577-86932698
032023/02
The soft sealing butterfly valve refers to the metal material on both sides of the sealing pair and the elastic non-metallic material on the other side.
032023/02
As a component used to cut off the pipeline system and control the flow, the soft seal butterfly valve has been widely used in many fields, such as petroleum, chemical, metallurgy, hydropower and so on.
032023/02
The valve hydraulic device is installed on the valve driving shaft. The drive spline is fixed on the valve driving shaft with a key, and the crank (with external spline) is sleeved on the driving shaft.
032023/02
The hard sealing butterfly valve with metal materials on both sides of the sealing pair and elastic non-metallic materials on the other side is called "soft sealing".
032023/02
The unique design of three-way eccentric makes no friction transmission between the sealing faces, which extends the service life of the valve.
032023/02
Hard seal butterfly valve, also called flap valve, is a regulating valve with simple structure, and can also be used for switching control of low pressure pipeline medium. Hard seal butterfly valve is mainly used to cut off and throttle the pipeline.
032023/02
What is the electric wafer type hard seal butterfly valve? The electric wafer type hard seal butterfly valve is one of the butterfly valves, which is connected in the form of wafer type butterfly valve.
032023/02
Hard seal butterfly valve is a long-life and energy-saving butterfly valve. Its structure is designed according to the principle of three-dimensional braiding, and the valve seat adopts a multi-level structure compatible with hard and soft sealing, with exquisite processing and a…
032023/02
The soft sealing butterfly valve refers to the metal material on both sides of the sealing pair and the elastic non-metallic material on the other side.
032023/02
The main materials, equipment and products used in construction are lack of technical quality identification documents or product certificates that meet the current national or ministerial standards.
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