Series F401 Butterfly valve designed to comply with BS5155
Compatible with DIN, BS and ANSI125/150 flanges
Face to face according to ISO 5752 basic series 13 (short)/DIN 3202 part 1 series F16
The characteristic of series F401 valve is to splice the rubber liner on the body, the strength more highly and the seal more reliably for the seat
There is O-ring casted on the seal surface of the seat, negates need for flange gaskets
Available in sizes of 2 to 48 inches
Available with handles, manual gear operators, electric or pneumatic actuators
Materials list of Butterfly Valve:
Body materials: Cast iron, ductile iron and stainless steel
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
