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Wafer Multi-layer Metal Hard Seal Butterfly Valve
Product overview
The butterfly valve is suitable for use in food, medicine, petrochemical industry, power plants, steel mills, industrial environmental protection water treatment and high building, water supply and drainage pipeline, is better device for adjusting flow rate and cutting fluid.
Product Features
This butterfly valve is absorption and digestion of foreign technology, combined with the domestic users opinions and accumulated experience in production and carefully developed a new generation of products.
1. Using three-dimensional eccentric structure, the body sealing ring adopts multi-layer sealing ring structure, make the butterfly plate valve sealing surface with uniform and reliable contact, can achieve without leaking gas seal.
2. Unique structure, flexible operation, energy saving, convenient, long service life.
3. High temperature resistance, corrosion resistance, wear resistance of three-dimensional eccentric.
Execution Standard
Design spec：GB/T 12238、JB/T8527
Face to Face：GB/T 12221
Flange end：GB/T 9113、JB/T79、HG/T20592
Test & check：GB/T 13927
Performance Parameter
Nominal diameter：DN50~2000mm
Nominal Pressure：PN0.6～4.0MPa
Applicable media：Air, water, steam, gas, oil, acid, alkali, salt with weak corrosive medium, etc
Applicable temperature：-40≤600℃
Main materials：Cast steel, stainless steel, chrome molybdenum steel, alloy steel, dual phase steel
