Double Flanged Double Offset Butterfly Valve
Resistant
Sealing
Operation
Long Life
Alis Valves is a trusted Double Flanged Double Offset Butterfly Valve Manufacturer & Supplier in India, offering high-performance butterfly valves for medium to high-pressure industrial applications. Designed with a robust double flanged body and double offset disc geometry, these valves provide reliable shut-off, reduced seat wear, low operating torque, and long service life for oil & gas, petrochemical, power generation, water treatment, chemical processing, and industrial process systems.
Specifications
Size Range
DN50 to DN500 (2" to 20")
Body Material
Ductile Iron, Carbon Steel (WCB), SS304, SS316, Duplex Stainless Steel
Seat Material
PTFE, RPTFE, EPDM, NBR, Metal Seat (Optional)
Temperature Range
-20°C to +250°C (Up to +550°C with Metal Seat)
Design Standards
API 609, ASME B16.34, ISO 5211
Pressure Rating
PN10, PN16, PN25, PN40 / ANSI Class 150 & 300
Disc Material
SS304, SS316, Duplex Stainless Steel
Flange Standard
ASME B16.5, EN 1092-1, IS, JIS (As Required)
Leakage Class
API 598 / ISO 5208
