Cast Steel Butterfly Handle

Features:
1, small lightweight, easy disassembly and maintenance, and can be installed anywhere
2, simple structure, compact, 90-degree rotation to open quickly
3, the operation torque is small, labor-saving light
4, flow characteristics tend to a straight line, adjusting good performance
5, open and close as many as tens of thousands of times the number of type testing, long life
6, to completely seal, gas leakage test of zero
7, replacement parts material, matching the choice of a variety of media

Performance Range
Nominal pressure: PN ≤ 1.6Mpa
Nominal diameter: DN50-DN600
Nominal pressure: PN = 1Mpa
Nominal diameter: DN700-DN1000
Applicable medium: water, sewage, water, salt water, steam, gas, food, medicine, all kinds of oil, all kinds of acid-base and other
Temperature: Normal -10 ℃ - +150 ℃ up to +205 ℃ instantaneous
Part Material
Body: cast iron, ductile iron, stainless steel, copper alloy, aluminum alloy
Butterfly plate: ductile iron, stainless steel, corrosion resistant steel, titanium steel, copper alloys
Seat: NBR, EPDM, neoprene, sea park-lun, PTFE, food gum fluorinated rubber, natural rubber, etc.
Flange Standard: GB2555-81 standards in line with