FCT PTFE lined butterfly valves feature a concentric disc design with a fully encapsulated PTFE seat and disc, making them ideal for handling aggressive chemicals, acids, and ultrapure fluids.
The non-stick, chemically inert PTFE lining ensures maximum resistance to corrosion while allowing for bubble-tight sealing, low torque operation, and long service life—especially in environments where metal contamination must be avoided.
Design Standards: API 609, EN 593
Size Range: 2” to 24” (DN50 to DN600)
Pressure Ratings: PN 10, 16 / ANSI 150
Body Materials: Ductile Iron, WCB, Stainless Steel
Disc Materials: Stainless Steel, PFA Coated, Alloy 20
Lining Material: PTFE (optional PFA, FEP)
Seat Type: PTFE encapsulated resilient seat
End Connections: Wafer, Lug, Flanged
Temperature Range: -20°C to +180°C
Operation: Lever, Gearbox, Electric, Pneumatic
Leakage Class: EN 12266 / Bubble-tight shut-off
Full PTFE lining protects against aggressive chemicals
Bubble-tight shut-off even with corrosive or volatile media
Non-stick interior for easy cleaning and pure media handling
Low torque operation for manual or automated systems
Ideal for high-cycle and chemical-resistant service
Available in wafer, lug, or flanged designs
Chemical and petrochemical industries
Acid and alkali distribution systems
Water and wastewater treatment
Pharmaceutical and cosmetic production
Pulp and paper processing
Food and beverage flow lines