Ductile iron Double Flanged Eccentirc Butterfly Valve

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 set

Supply Capability:: 1000 set/month

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Double Flanged Butterfly Valve

Double flanged style fits between FF or RF flanges
High strength body and large safety factor ensure the body can resist high pipe pressure
Overall Vulcanization liner with good performance of resisting tearing apart and deformation
Pin connection one piece shaft with the features of counter bending and simple reliable structure
Universal ISO 5211 mounting pad

Technical Data

Size	DN50-DN1200
General Design	ISO 5752/BS 5155/EN 1092
Mounting Pad	ISO 5211
Face to Face	BS 5155/EN 558-1 13 series etc.
Flange Drilling	DIN 2501 PN10/16
Inspection and Test	API 598

﹡For all available general design, face to face standard and flange drilling,please kindly contact CNBM directly.

Materials of Parts

Parts	Description	MaterialMaterial
1	Body	Cast Iron/Ductile Iron
2	O-ring	EPDM/NBR
3	Bushing	PTFE/Bronze
4	Shaft	Stainless Steel
5	Disc	Stainless Steel/Bronze/Ductile Iron
6	Seat	EPDM/NBR
7	Pin	Stainless Steel

﹡For other material request,please kindly contact CNBM directly.

Dimensions of Double Flanged Butterfly Valve

Size		L	H1	H2	H3	DIN2501 PN16		Flange No	ØN	ØC1	n-Ød2	Round	Square/Double D
DN	NPS	L	H1	H2	H3	ØC	n-ØD1	Flange No	ØN	ØC1	n-Ød2	Ød1	Ød1	H
50	2"	108	110	80	30	125	4-18	F05	65	50	4-8	12.6	12.1	9
65	2-1/2"	112	134	80	30	145	4-18	F05	65	50	4-8	12.6	12.1	9
80	3"	114	131	95	30	160	8-18	F05	65	50	4-8	12.6	12.1	9
100	4"	127	150	114	30	180	8-18	F07	90	70	4-10	15.77	12.1	11
125	5"	140	170	113	30	210	8-18	F07	90	70	4-10	18.92	14.1	14
150	6"	140	180	139	30	240	8-22	F07	90	70	4-10	18.92	18.1	14
200	8"	152	210	175	37	295	12-22	F10	125	102	4-12	22.1	18.1	17
250	10"	165	245	203	37	355	12-26	F10	125	102	4-12	28.45	28.2	22
300	12"	178	276	242	37	410	12-26	F10	125	102	4-12	31.6	28.2	22
350	14"	190	328	250	45	470	16-26	F10	125	102	4-12	31.6	28.2	22
400	16"	216	376	277	51.2	525	16-30	F14	175	140	4-18	33.15	28.2	22
450	18"	222	406.6	295.2	51.2	585	20-30	F14	175	140	4-18	38	36.2	27
500	20"	229	448	330	64.2	650	20-33	F14	175	140	4-18	41.15	36.2	27
600	24"	267	518	420	70.2	770	20-36	F16	210	165	4-22	50.65	48.2	36
Size		L	H1	H2	H3	DIN2501 PN10		Flange No	ØN	ØC1	n-Ød2	Round	Square/Double D
DN	NPS	L	H1	H2	H3	ØC	n-ØD1	Flange No	ØN	ØC1	n-Ød2	Ød1	Ød1	H
700	28"	292	560	450	66	840	24-30	F25	300	254	8-18	55	60.2	46
800	32"	318	620	501	66	950	24-33	F25	300	254	8-18	55	60.2	46
900	36"	330	692	558	118	1050	28-33	F25	300	254	8-18	75	72.2	55
1000	40"	410	735	622	142	1170	28-36	F25	350	298	8-18	85	72.2	55
1200	48"	470	917	763	160	1390	32-39	F30	350	298	8-22	105	98.2	75

﹡For special Stem head dimensions,please kindly contact CNBM directly.

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