PTFE Wafer Type Butterfly Valve
Resistant
Sealing
Operation
Long Life
Alis Valves is a trusted FEP/PFA Wafer Type Butterfly Valve Manufacturer & Supplier in India, offering high-performance butterfly valves for highly corrosive chemical applications. Designed with a compact wafer 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 long service life. They are ideal for chemical processing, pharmaceutical, water treatment, fertilizer, pulp & paper, and industrial process plants.
Specifications
Size Range
DN40 to DN500 (1½" to 20")
Body Material
Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat Material
PTFE / FEP / PFA
Leakage Class
Bubble Tight Shut-Off (API 598 / ISO 5208)
Pressure Rating
Pressure Rating
Lining Material
PTFE / FEP / PFA
Temperature Range
-20°C to +200°C (Depending on Lining Material)
Design Standards
API 609, ASME B16.34, ISO 5211
Product Images
Frequently Ask Questions
It is a wafer-style butterfly valve with PTFE-lined wetted surfaces, designed for isolation and flow control of corrosive and chemically aggressive fluids.
The wafer design provides a compact and lightweight valve arrangement that can be installed between compatible pipeline flanges without integral flanges on the valve body.
PTFE provides excellent chemical resistance against many acids, alkalis, solvents and aggressive process chemicals, protecting the underlying valve body from direct contact with the media.
Alis Valves manufactures and supplies PTFE-lined Wafer Type Butterfly Valves for chemical processing, pharmaceutical, fertilizer, water treatment, petrochemical and other corrosive industrial applications.
