Ductile iron butterfly valve

Ductile iron butterfly valve Product introduction

Ductile iron butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Ductile iron butterfly valve is double eccentric design .Ductile iron butterfly valve standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

Ductile iron butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

Ductile iron butterfly valve Main dimension

DN	Outline dimension					Flange connection dimension
	L	H	H1	A	B	0.6MPa				1.0MPa				1.6MPa
	L	H	H1	A	B	D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
50	108	82.5	443	125	125	140	110	88	4-14	165	125	99	4-18	165	125	99	4-18
65	112	92.5	463	125	125	160	130	108	4-14	185	145	118	4-18	185	145	118	4-18
80	114	100	483	125	125	190	150	124	4-18	200	160	132	8-18	200	160	132	8-18
100	127	110	498	125	125	210	170	144	4-18	220	180	156	8-18	220	180	156	8-18
125	140	125	682	325	245	240	200	174	8-18	250	210	184	8-18	250	210	184	8-18
150	140	142.5	736	325	245	265	225	199	8-18	285	240	211	8-22	285	240	211	8-22
200	152	170	800	325	245	320	280	254	8-18	340	295	266	8-22	340	295	266	12-22
250	165	197.5	895	363	313	375	335	309	12-18	395	350	319	12-22	405	355	319	12-26
300	178	222.5	956	363	313	440	395	363	12-22	445	400	370	12-22	460	410	370	12-26
350	190	252.5	1029	363	313	490	445	413	12-22	505	460	429	16-22	520	470	429	16-26
400	216	282.5	1103	363	313	540	495	463	16-22	565	515	480	16-26	580	525	480	16-30
450	222	307.5	1186	465	439	595	550	518	16-22	615	565	530	20-26	640	585	548	20-30
500	229	335	1280	546	481	645	600	568	20-22	670	620	582	20-26	715	650	609	20-33
600	267	390	1321	546	556	755	705	667	20-26	780	725	682	20-30	840	770	720	20-36
700	292	447.5	1431	546	556	860	810	772	24-26	895	840	794	24-30	910	840	794	24-36
800	318	507.5	1542	546	556	975	920	878	24-30	1015	950	901	24-33	1025	950	901	24-39
900	330	557.5	1800	617	706	1075	1020	978	24-30	1115	1050	1001	28-33	1125	1050	1001	28-39
1000	410	615	2363	632	706	1175	1120	1078	28-3	1230	1160	1112	28-36	1255	1170	1112	28-42
1200	470	727.5	2583	632	706	1405	1340	1295	32-33	1455	1380	1328	32-39	1485	1390	1328	32-48
1400	530	837.5	2710	790	1338	1630	1560	1510	36-36	1675	1590	1530	36-42	1685	1590	1530	36-48
1600	600	957.5	2845	868	1476	1830	1760	1710	40-36	1915	1820	1750	40-48	1930	1820	1750	40-56
1800	670	1057.5	2060	868	1476	2045	1970	1918	44-39	2115	2020	1950	44-48	2130	2020	1950	44-56
2000	760	1162.5	3350	965	1600	2265	2180	2125	48-42	2325	2230	2150	48-48	2345	2230	2150	48-62

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