Double-Eccentric Flanged Butterfly Valve · Series 01

Ductile Iron Butterfly Valves Double Flanged Butterfly Valves With Disc Double Eccentric With Resilient Seat Conform to BS EN593 (BS5155) Size: DN50-DN2000 Specification: Nominal pressure (MPa) 1.6 Testing Pressure Body shell 2.4 Seal 1.76 Working pressure (MPa) 1.6 Suitable temperature (°C) ≤80 Suitable Medium Water Technical and requirement Design, manufacture are according to standard of BSEN593-98〔Butterfly Valves For Waterworks Purpose〕. The flange of the butterfly valve is according to PN1.6 Mpa flange of BSEN1092-2 for internal ductile iron flanges. Inspection is according to standard PrEN12266-3.(No Visible Leakage). The valves for PN

Product Specifications

General Specifications

Nominal pressure (MPa) — 1.6
Testing Pressure — Body shell: 2.4

Technical Data

Seal: 1.76
Working pressure (MPa): 1.6
Suitable temperature (°C): ≤80
Suitable Medium: Water

Materials & Components

No.	Name of part	Material	BS Designation	—
Coating (350 microns)	Epoxy Resin or Epoxy fusion bonded	—	—	—
18	Bolt	Carbon Steel/S.S.	BS970	316S13 or 304S15
17	Connecting Plate	SG(Ductile) Iron	BSEN1563	EN-JS1050
16	Handwheel	SG(Ductile) Iron	BSEN1563	EN-JS1050
15	Gearing Box	SG(Ductile) Iron	BSEN1563	EN-JS1050
14	Shaft (1)	Stainless Steel	BS970	Gr431S29
13	Packing Box	Copper-tin-lead alloys	BSEN1982	CuSn5Zn5Pb5
12	O-Ring	EPDM	BSEN681	IRHD66-75
11	Body Sealing Ring	Stainless Steel	BS970	316S13 or 304S15
10	Rubber Sealing	EPDM	BSEN681	IRHD66-75
9	Retaining Ring	Stainless Steel	BS970	316S13 or 304S15
8	Obturator	SG(Ductile) Iron	BSEN1563	EN-JS1050
7	Obturator Pin	Stainless Steel	BS970	Gr431S29
6	Shaft (1)	Stainless Steel	BS970	Gr431S29
5	Body	SG(Ductile) Iron	BSEN1563	EN-JS1050
4	Shaft bushes	Du Bushes	Self Lubricating Bushes	—
3	O Ring	EPDM	BSEN681	IRHD66-75
2	.Cover	SG (Ductile)Iron	BSEN1563	EN-JS1050
1	Bolt	Carbon Steel/S.S.	BS4190 (Hot dipped galvd)	—

Dimensions

DN	PN MPa	L	D	D1	D2	b	f	n-d	L1	L2
100	1.6	127	220	180	156	19	3	8-φ19	48	77
150	1.6	140	285	240	211	19	3	8-φ23	48	77
200	1.6	152	340	295	266	20	3	12-φ23	125	87
250	1.6	165	405	355	319	22	3	12-φ28	125	87
300	1.6	178	460	410	370	24.5	4	12-φ28	125	87
350	1.6	190	520	470	429	26.5	4	16-φ28	182	140
400	1.6	216	580	525	480	28	4	16-φ31	182	140
450	1.6	222	640	585	548	30	4	20-φ31	190	190
500	1.6	229	715	650	609	31.5	4	20-φ34	190	232
600	1.6	267	840	770	720	36	5	20-φ37	190	232
700	1.6	292	910	840	794	39.5	5	24-φ37	216	287
750	1.6	318	970	900	850	43	5	24-φ37	216	287
800	1.6	318	1025	950	901	43	5	24-φ41	216	287
900	1.6	330	1125	1050	1001	46.5	5	28-φ41	232	253
1000	1.6	410	1255	1170	1112	50	5	28-φ44	232	253
1200	1.6	470	1485	1390	1328	57	5	32-φ50	253	289
1400	1.6	530	1685	1590	1530	60	5	36-φ50	515	405
1600	1.6	600	1930	1820	1750	65	5	40-φ57	515	405

Confirm Project Requirements

Product specifications, materials, standards, and availability may vary by project. Please include your required size, pressure rating, material, standard, and quantity in the RFQ.

Core technical data

Flanged Double Eccentric Butterfly Valve

Ductile iron, resilient seated configuration for water service. Available in PN10, PN16, and PN25 across DN150-DN2000.

High-resolution Technical Sheets

Click either sheet to inspect the drawing, materials, and dimensional data at high resolution.

Technical Specifications

Design and manufacture: EN 593; EN 1074-1 and EN 1074-2
Face-to-face dimensions: EN 558-1 Series 14 (DIN 3202 F4) or EN 558-1 Series 13 (BS 5163)
Flange dimensions and drilling: EN 1092-2, PN10 / PN16 / PN25
Size range: DN150-DN2000
Maximum working pressure: 1.0 / 1.6 / 2.5 MPa
Inspection test: EN 12266
Working temperature: -15°C to +80°C
Suitable medium: Water

Main Features

Double eccentric disc design reduces seal wear and operating torque.

Body seat ring is welded directly onto the body.

Bi-directional flow capability with low head loss.

Replaceable disc sealing ring can be serviced without dismantling the valve from the pipeline.

Body and disc are epoxy powder coated inside and outside.

Opening and closing position indicators are provided.

ISO 5211 actuator coupling flange.

Gearbox and electric actuator operation options.

Parts & Materials

No.	Part	Standard Material
1	Bolt	Stainless steel AISI 304
2	End cover	Ductile iron EN-GJS-500-7 / 400-15
3	Body	Ductile iron EN-GJS-500-7 / 400-15
4	Shaft (2)	Stainless steel AISI 420
5	Disc pin	Stainless steel AISI 420
6	Disc	Ductile iron EN-GJS-500-7 / 400-15
7	Retaining ring	Stainless steel or ductile iron
8	Disc sealing ring	EPDM
9	Body seat ring	Stainless steel AISI 304
10	Shaft (1)	Stainless steel AISI 420
11	Shaft bearing	DU bushes (self-lubricating bushes)
12	Shaft bush	Gunmetal
13	O-ring	EPDM
14	Gearbox	Ductile iron

Dimensions, Operating Data & Weight

Dimensions are in millimeters. Use the horizontal scroll to review all fields on smaller screens.

DN	PN	L Series 14	L Series 13	D	D1	b	f	H1	H	B1	B2	B3	B4	Do	n-d	Closing torque (N.m)	Turns on/off	Weight (kg)
150	10	210	140	285	240	19	3	177	241	77	48	68	257	160	8-23	13.6	8.75	55
150	16	210	140	285	240	19	3	177	259	77	48	68	257	160	8-23	19.2	8.75	65
150	25	210	140	300	250	20	3	177	259	125	87	105	320	320	8-28	25	18.5	70
200	10	230	152	340	295	20	3	193	266	125	87	105	320	320	8-23	10.2	18.5	76
200	16	230	152	340	295	20	3	193	266	125	87	105	320	320	12-23	25	18.5	76
200	25	230	152	360	310	22	3	197	275	125	87	105	320	320	12-28	35	18.5	86
250	10	250	165	395	350	22	3	226	305	125	87	105	320	320	12-23	13.6	18.5	106
250	16	250	165	405	355	22	3	226	305	125	87	105	320	320	12-28	31	18.5	110
250	25	250	165	425	370	24.5	3	236	315	125	87	105	320	320	12-31	43.6	18.5	115
300	10	270	178	445	400	24.5	4	277	349	125	87	105	320	320	12-23	22.7	18.5	120
300	16	270	178	460	410	24.5	4	277	349	125	87	105	320	320	12-28	37.2	18.5	145
300	25	270	178	485	430	27.5	4	290	380	125	87	105	320	320	16-31	77.4	18.5	169
350	10	290	190	505	460	24.5	4	319	382	125	87	105	320	320	16-23	32.5	18.5	166
350	16	290	190	520	470	26.5	4	319	395	125	87	105	320	320	16-28	57.2	18.5	180
350	25	290	190	555	490	30	4	330	418	190	126	133	435	360	16-34	61	46	203
400	10	310	216	565	515	24.5	4	322	415	182	140	152	349	320	16-28	50	20	205
400	16	310	216	580	525	28	4	322	415	190	126	133	435	360	16-31	50	46	210
400	25	310	216	620	550	32	4	333	428	190	146	173	505	400	16-37	50	90	290
450	10	330	222	615	565	25.5	4	382	519	182	140	152	349	320	20-28	61	20	262
450	16	330	222	640	585	30	4	382	519	190	126	133	435	360	20-31	59.6	46	277
450	25	330	222	670	600	34.5	4	405	457	190	146	173	505	400	20-37	65	90	356
500	10	350	229	670	620	26.5	4	385	482	190	126	133	435	360	20-28	52.8	46	352
500	16	350	229	715	650	31.5	4	385	482	190	146	173	505	400	20-34	49	90	360
500	25	350	229	730	660	36.5	4	400	505	216	183	212	512	450	20-37	50	157	485
600	10	390	267	780	725	30	5	465	554	190	146	173	505	400	20-31	48	90	558
600	16	390	267	840	770	36	5	465	554	216	183	212	512	450	20-37	45.5	157	566
600	25	390	267	845	770	42	5	476	578	216	183	212	512	450	20-40	68	157	580
700	10	430	292	895	840	32.5	5	550	604	216	183	212	512	450	24-31	41	157	691
700	16	430	292	910	840	39.5	5	550	625	216	183	212	512	450	24-37	68	157	745
700	25	430	292	960	875	46.5	5	590	665	258	253	283	563	500	24-43	75	255	842
800	10	470	318	1015	950	35	5	590	678	216	183	212	512	450	24-34	54	157	863
800	16	470	318	1025	950	43	5	590	678	216	183	212	512	450	24-40	85.4	157	875
800	25	470	318	1085	990	51	5	630	816	287	265	302	626	500	24-49	66	412.5	1210
900	10	510	330	1115	1050	37.5	5	640	838	216	183	212	512	450	28-34	73	157	1080
900	16	510	330	1125	1050	46.5	5	640	838	258	253	283	563	500	28-40	75.4	255	1190
900	25	510	330	1185	1090	55.5	5	685	688	287	265	302	626	500	28-49	90	412.5	1620
1000	10	550	410	1230	1160	40	5	720	925	258	253	283	563	500	28-37	68	255	1750
1000	16	550	410	1255	1170	50	5	720	925	258	253	283	563	500	28-43	98	255	1880
1000	25	550	410	1320	1210	60	5	770	1030	287	265	302	626	500	28-56	90	600	2130
1200	10	630	470	1455	1380	45	5	895	1127	287	265	302	626	500	32-40	73	412.5	2313
1200	16	630	470	1485	1390	57	5	895	1127	287	265	302	626	500	32-49	98	412.5	2330
1200	25	630	470	1530	1420	69	5	940	1245	287	265	302	626	500	32-56	128	600	2620
1400	10	710	530	1675	1590	46	5	985	1280	287	265	302	626	500	36-43	140	412.5	3456
1400	16	710	530	1685	1590	60	5	985	1327	352	365	330	670	640	36-49	98	600	3510
1400	25	710	530	1755	1640	74	5	1010	1025	352	365	330	778	500	36-62	90	1200	3870
1500	10	750	560	1785	1700	47.5	5	1010	1348	352	365	330	670	640	36-44	100	600	2980
1500	16	750	560	1820	1710	62.5	5	1040	1370	352	365	330	670	640	36-57	130	600	3870
1500	25	750	560	1865	1750	77.5	5	1082	1100	352	365	330	778	500	36-62	110	1200	4980
1600	10	790	600	1915	1820	49	5	1100	1420	287	265	302	626	500	40-50	122	600	5162
1600	16	790	600	1930	1820	65	5	1100	1427	287	265	302	626	500	40-57	140	600	5800
1600	25	790	600	1975	1860	81	5	1145	1175	352	365	330	778	500	40-62	100	1500	6780
1800	10	870	670	2115	2020	52	5	1198	1234	352	365	330	778	500	44-50	90	1200	5400
1800	16	870	670	2130	2020	70	5	1203	1260	352	365	330	788	500	44-57	91	1500	5916
1800	25	870	670	2195	2070	88	5	1290	1300	352	365	330	788	500	44-70	130	1500	7280
2000	10	950	760	2325	2230	55	5	1347	1360	352	365	330	778	500	48-50	100	1200	8860
2000	16	950	760	2345	2230	75	5	1420	1430	352	365	330	788	500	48-62	120	1500	10900
2000	25	950	760	2425	2300	95	5	1460	1500	352	365	330	778	500	48-70	180	1500	13800

Confirm Before Order

Technical data represents a standard product configuration. Materials, dimensions, torque, weight, coating, and actuation must be confirmed against the final project specification and approved drawings before order.