Fluorine-lined Butterfly Valves

Wafer Fluorine-lined Butterfly Valve

D71F46 / D371F46 / D671F46

Compact wafer construction with manual, worm-gear and pneumatic actuation.

APPLICATION

For strong acids, alkalis and other corrosive media in chemical, chlor-alkali, new energy, pharmaceutical, environmental and metallurgical processes. Compatibility must be confirmed against composition, concentration, temperature and pressure.

FEATURES

FEP/F46 fluoropolymer lining isolates corrosive media
Manual, worm-gear and pneumatic actuation options are available
Selection is based on medium, temperature, pressure and operating frequency
Dimensions and material combinations are subject to final technical documentation

SPECIFICATIONS

Nominal size: DN40-DN1200
Pressure rating: PN10, PN16, PN25, Class 150
Design: HG/T 3704
Face-to-face: GB/T 12221
Connections: HG/T 20592, ASME B16.5 / B16.47
Pressure test: GB/T 13927

MATERIALS

Typical combinations include WCB+FEP/F46, PTFE sealing and other compatible metals and fluoropolymers. Final materials are defined in the approved selection document.