EPDM Seat Double Flange Water Butterfly Valve Worm Gear

EPDM SEAT BUTTERLY VALVE DIMENSION (MM/INCH)

SIZE	mm	50	65	80	100	125	150	200
	inch	2″	2-1/2″	3″	4″	5″	6″	8″
A		135	135	135	159	176	192	228
B		65	72	76	114	126	140	166
C		32	32	32	32	32	32	45
L		43	46	46	52	56	56	60
SIZE	mm	250	300	350	400	450	500	600
	inch	10″	12″	14″	16″	18″	20″	24″
A		270	304	337	367	400	460	520
B		208	243	275	302	314	344	405
C		45	45	45	51	51	64	70
L		68	78	78	102	114	127	154

 

EPDM SEAT BUTTERLY VALVE MATERIAL LIST

Part	Material	ASTM
Body	Carbon Steel	A216 WCB
	Ductile Iron	A536 Gr.65-45-12
	Stainless Steel	A351 CF8M/CF8
Disc	Carbon Steel +PTFE	A351 WCB+PTFE
	Stainless Steel +PTFE	A351 CF8M+PTFE
	Stainless Steel	A351 CF8M/CF8
Shaft	Stainless Steel 410	A276 S410 00
	Stainless Steel 316	A276 S431 00
Seat	Polytetrafluorethylen PTFE
O-Ring	Fluorcarbon Caoutchouc	VITON

EPDM Seat Butterfly Valve performance :

1. Small in size & light in weight and easy maintenance. It can be mounted wherever needed.
2. Simple, compact structure, quick 90 degree on-off operation
3. Disc has two-way bearing,perfect seal, without leakage under the pressure test.
4. Flow curve tending to straight-line. Excellent regulation performance.
5. Various kinds of materials, applicable to different media.
6. Strong wash and brush resistance, and can fit to bad working condition.
7. Center plate structure,small torque of open and close
8. Long service lift. Standing the test of ten thousands opening and closing opration.
9. Can be used in cutting off and regulating media.
10. We can supply buy butterlfy valve client price butterfly valve list .