Product Code :
Nominal diameter; DN (mm) 50 ~ 2000;
Nominal pressure; PN (MPa) 0.6-4.0
Leakage rate; < 0.1×DNmm3/s (according to GB/T13927-92 standard)
Applicable temperature; Carbon steel :-29℃ ~ 425℃ stainless steel -40℃ ~ 600℃
Applicable media; Air, water, steam, gas, oil and acid, alkali, salt with weak corrosive media
Driving form; Worm gear drive, gas drive, electric drive
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Hard seal butterfly valve, long life, energy saving butterfly valve. Its structure adopts the three-dimensional core principle design, the valve seat adopts the hard and soft seal compatible multi-level structure, exquisite processing, advanced technology. The hard-sealed butterfly valve is composed of valve body, butterfly plate, multi-level seat, valve stem, transmission mechanism and other main components.
Adoption standard
Design standard :GB/T12238989; JB/T8527997
Flange connection size:
GB/T9113.1-2000; GB/T9113.2-2000
GB/T9115.1-2000; GB/T9115.2-2000
Structure length :GB/T12221989
Pressure test :GB/T13927992; JB/T9092999
Hard sealed butterfly valves are therefore widely used in metallurgy, electric power, petroleum, chemical, air, gas, combustible gas and water supply and drainage and other corrosive media pipelines.
Packing of Standard Packing:
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2022 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
Structural characteristics
Because the hard-sealed butterfly valve adopts the three-dimensional eccentric principle design, the space movement trajectory of the sealing surface is idealized, there is no friction and interference between the sealing surface, and the sealing material is selected properly, so that the sealing property, corrosion resistance, high temperature resistance and wear resistance of the butterfly valve are reliably guaranteed. Its main features are as follows:
1. Small opening torque, flexible and convenient, labor saving and energy saving.
2, three-dimensional core structure, so that the butterfly plate closer and tighter, its sealing performance is reliable, to achieve no leakage.
3, high pressure resistance, corrosion resistance, wear resistance, long service life, etc.
