PTFE Seated Centric Butterfly Valve
Resistant
Sealing
Operation
Long Life
Alis Valves is a trusted PTFE Seated Centric Butterfly Valve Manufacturer & Supplier in India, offering high-performance butterfly valves for corrosive chemical, water treatment, and industrial process applications. Designed with a concentric disc and resilient PTFE seat, these valves provide bubble-tight shut-off, excellent chemical resistance, low operating torque, and long service life. They are ideal for handling acids, alkalis, solvents, water, and aggressive process fluids across a wide range of industries.
Specifications
Size Range
DN40 to DN500 (1½" to 20")
Body Material
Cast Iron, Ductile Iron, Carbon Steel, SS304, SS316
End Connection
Wafer, Lug, Double Flanged
Leakage Class
Bubble Tight Shut-Off (API 598 / ISO 5208)
Pressure Rating
PN10, PN16 / ANSI Class 150
Seat Material
PTFE
Temperature Range
-20°C to +200°C
Design Standards
API 609, ASME B16.34, ISO 5211