LUG TYPE BUTTERFLY VALVE (BFV-LA)

Specification

FOR ANSI CLASS 125 FLANGE MOUNTING
FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 / BS EN 593
LEVER / WORM GEAR OPERATOR

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Category: Valves (Cast & Ductile Iron) Tags: BUTTERFLY VALVE, FLANGE MOUNTING, ISO 5752, LUG TYPE BUTTERFLY VALVE (BFV-LA)

Specification
Drawing

Specification

Material

Part	Material	ASTM
Body	Cast Iron, Ductile Iron	A126 Class B, A536 Gr.65-45-12
Disc	Ductile Iron, Aluminium Bronze, Stainless Steel 304, Stainless Steel 316	A536 Gr.65-45-12, B148-97 C95400, A351 CF-8, A351 CF-8M
Seat Ring	EPDM, NBR
Shaft	Stainless Steel 410, Stainless Steel 431	S41000, S43100
O-Ring	NBR
Bushing	PTFE

Pressure

Specification	Value
Working Pressure	16 bar
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

Drawing

Dimension

Size mm	A mm	B mm	C mm	D mm	E mm	G mm
50	43	66	183	215	270	145
65	46	78	193	215	280	145
80	46	103	201	215	288	145
100	52	115	226	235	310	145
125	56	126	242	260	323	145
150	56	139	257	260	338	145
200	60	173	301	355	445	280
250	68	210	342	355	486	280
300	78	242	387	355	533	280
350	78	270	–	–	558	280
400	102	307	–	–	676	385
450	114	336	–	–	702	385

Size mm	A mm	B mm	E mm	F mm	G mm
500	127	373	733	260	280
600	154	429	877	300	385