DOUBLE FLANGE BUTTERFLY (CONCENTRIC TYPE) (BFV-DC)

Specification

CONCENTRIC TYPE • LEVER / WORM GEAR OPERATOR FLANGED TO BS 4504 PN16
OR ANSI150# FACE-TO-FACE DIMENSION TO BS 5155 / BS EN558-1 Sr. 20

Note:

1. Actuator mounting flange conforms to ISO 5122 drilling.
2. The butterfly valve can be supplied with electric actuator.
3. Micro switch / limit switch box are available upon request.
4. Gear operated with chain wheel are available upon request.
5. Design and specifications are subject to change without prior notice.

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Category: Valves (Cast & Ductile Iron)

Spesification
Drawing

Materials

Part	Material	DIN
Body	Ductile Iron	400/17
Disc	Ductile Iron Aluminium Bronze Stainless Steel 304 Stainless Steel 316	400/17 1400 AB2 304 C15 316 C16
Seat Ring	EPDM NBR
Shaft	Stainless Steel 410	410S21
Taper Pins	Stainless Steel 304	304S16
O-Ring	EPDM
Bushing	PTFE

Pressure/Temperature Ratings

Working Pressure	16 bar (DN50 - DN700) 10 bar (DN800 - DN1200)
Testing Pressure	Shell: 1.5 times Seat: 1.1 times
Working Temperature	-20°C to 110°C (EPDM Seat) -10°C to 80°C (NBR Seat)
Suitable Media	Water & Oil