Rubber Seated Double Offset Butterfly Valve
Resistant
Sealing
Operation
Long Life
Alis Valves is a trusted Rubber Seated Double Offset Butterfly Valve Manufacturer & Supplier in India, offering high-performance butterfly valves for reliable flow isolation in industrial applications. Designed with a resilient rubber seat and double offset disc geometry, these valves provide bubble-tight sealing, reduced seat wear, low operating torque, and extended service life for water treatment, HVAC, chemical processing, power generation, marine, and general industrial piping systems.
Specifications
Size Range
DN50 to DN500 (2" to 20")
Body Material
Ductile Iron, Carbon Steel (WCB), SS304, SS316
Seat Material
EPDM, NBR, Viton, Neoprene
Leakage Class
Bubble Tight Shut-Off (API 598 / ISO 5208)
Pressure Rating
PN10, PN16, PN25 / ANSI Class 150
Disc Material
SS304, SS316, Ductile Iron (Nickel Plated Optional)
Temperature Range
-20°C to +150°C (Depends on Rubber Seat Material)
Design Standards
API 609, ASME B16.34, ISO 5211
