Series F402 Butterfly Valves designed to comply with BS5155.
Compatible with DIN, BS and ANSI125/150 flanges.
Face to face according to ISO 5752 basic series 14 (long)/DIN 3202 part 1 series F4.
Adopting design of double-eccentric, the friction on sealing ring may be decreased to extend service life. One piece profile sealing resilient seat Available in size 4 to 48 inch.
Available with handles, manual gear operators, and electric or pneumatic actuators.
Materials list:
Body materials: Cast iron, ductile iron
Disc: Ductile iron (with nickel-plated or nylon-coated), SS 304, 304L, 316 and 316L
Seat: PTFE
Shaft: SS410 and SS416
Pin: SS316
O-ring: NBR, EPDM, neoprene and viton
Bushing: PTFE, nylon and lubricated bronze