PTFE Double Flanged Butterfly Valve
Resistant
Sealing
Operation
Long Life
Alis Valves is a trusted FEP/PFA Double Flanged Butterfly Valve Manufacturer & Supplier in India, offering high-performance butterfly valves for highly corrosive chemical and industrial applications. Designed with a robust double flanged body and premium FEP/PFA lining, these valves provide exceptional resistance to acids, alkalis, solvents, and aggressive chemicals while ensuring bubble-tight sealing, low operating torque, and extended service life. They are ideal for chemical processing, pharmaceutical, fertilizer, water treatment, petrochemical, and industrial process systems requiring secure flanged installation.
Specifications
Size Range
DN40 to DN500 (1½" to 20")
Body Material
Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat Material
PTFE / FEP / PFA
Temperature Range
-20°C to +200°C (Depending on Lining Material)
Design Standards
API 609, ASME B16.34, ISO 5211
Pressure Rating
PN10, PN16 / ANSI Class 150
Lining Material
PTFE / FEP / PFA
Flange Standard
ASME B16.5, EN 1092-1, IS, JIS (As Required)
Leakage Class
Bubble Tight Shut-Off (API 598 / ISO 5208)
Product Images
Frequently Ask Questions
It is a double-flanged butterfly valve with PTFE-lined wetted surfaces, designed primarily for isolation and flow control of corrosive and chemically aggressive fluids.
PTFE, PFA and FEP are fluoropolymer materials with excellent chemical resistance. PFA and FEP can be selected where their particular processing and temperature characteristics provide an advantage. Alis Valves offers PFA/FEP/PTFE lining options in its lined-valve range.
The double-flanged body provides a rigid and secure connection to the pipeline, making it particularly suitable for industrial piping systems and larger valve sizes.
Alis Valves manufactures and supplies PTFE-lined and double-flanged butterfly valve configurations for chemical processing, pharmaceutical, fertilizer, water treatment, petrochemical and other corrosive industrial applications. Its product range includes PTFE/FEP/PFA-lined butterfly valves and double-flanged butterfly valves.
