Three eccentric hard-seal butterfly valve elastic

Uses and characteristics: This butterfly valve suitable for food, medicine, chemical and industrial piping net environmental protection, water treatment, high-rise building, giving way to open and close the drain or adjust the flow of media use.
Standard:
Design Standard: GB / T 12238-1999
Flange connecting dimensions: GB/T9113.1-2000 GB/T9113.2-2000
GB/T9115.1-2000 GB/T9115.2-2000
Structure Length: GB/T12221-1989
Pressure test: GB/T13927-1992
Main technical parameters:
PN 1.0-2.5
Applicable medium: air, water, steam, gas, oil and acid, alkali, salt with a weak corrosive media, etc.
Suitable temperature: -40 ℃ ~ 600 ℃
The main components of the material
Body: Cast iron, stainless steel, chrome molybdenum steel, alloy steel
Butterfly plate: steel, alloy steel (hard chrome plating), of stainless steel, chrome molybdenum steel
O-ring: Stainless steel, PP-fat, anti-wear materials
Stem: 2Cr13, 1Cr13 stainless steel, chrome molybdenum steel
Packing: Flexible Graphite