Big size butterfly valve

China Big size butterfly valve manufacturer, factory and supplier. Big size butterfly valve is double eccentric of triple eccentric design.No matter at low temperature and high temperature, Big size butterfly valve has excellent sealing performance and corrosion resistance. With long life and so on, the strength is high, the overflow area is large, the flow resistance is small, Eccentric butterfly valve has the function of two-way sealing, Big size butterfly valve is not restricted by the flow direction of the medium, and is not subject to the space position. The butterfly valve can be installed in any direction.

Big size butterfly valve Technical Specification
Normal Size Range: 2"-80"
Normal Pressure Rating: PN10~PN64, CLASS150~600
Material: WCB, CF8,CF8M,CF3,CF3M
Operation: Handwheel, Pneumatic, Electric
Temperature Range: -29°C~425°C

Big size butterfly valve Standards compliance
Design and Manufacture: GB/T12228, API609
Face to face(end to end): GB/T12221
Flanged connection: ANSI B16.5, GB/T 9113
Test and inspection: API 598, GB/T 13927

DN mm	Length	Outline dimension				Flange connection dimension												Weight kg
	Length	Outline dimension				0.6MPa				1.0MPa				1.6MPa
	L	H	H0	A	B	D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
50	108	63	306	180	200	140	110	88	4-14	165	125	99	4-18	165	125	99	4-18	13
65	112	70	321	180	200	160	130	108	4-14	185	145	118	4-18	185	145	118	4-18	14
80	114	83	346	180	200	190	150	124	4-18	200	160	132	8-18	200	160	132	8-18	15.5
100	127	105	387	180	200	210	170	144	4-18	220	180	156	8-18	220	180	156	8-18	19.5
125	140	115	411	180	200	240	200	174	8-18	250	210	184	8-18	250	210	184	8-18	25.5
150	140	137	447	270	280	265	225	199	8-18	285	240	211	8-22	285	240	211	8-22	28.5
200	152	164	572	270	280	320	280	254	8-18	340	295	266	8-22	340	295	266	12-22	48
250	250	206	646	270	280	375	335	309	12-18	395	350	319	12-22	405	355	319	12-26	69
300	270	230	738	380	420	440	395	363	12-22	445	400	370	12-22	460	410	370	12-26	91
350	290	248	761	380	420	490	445	413	12-22	505	460	429	16-22	520	470	429	16-26	110
400	310	289	877	450	470	540	495	463	16-22	565	515	480	16-26	580	525	480	16-30	140
450	330	320	938	480	490	595	550	518	16-22	615	565	530	20-26	640	585	548	20-30	180
500	350	343	993	480	490	645	600	568	20-22	670	620	582	20-26	715	650	609	20-33	215
600	390	413	1131	480	490	755	705	667	20-26	780	725	682	20-30	840	770	720	20-36	290
700	430	478	1476	640	660	860	810	772	24-26	895	840	794	24-30	910	840	794	24-36	560
800	470	525	1533	640	660	975	920	878	24-30	1015	950	901	24-33	1025	950	901	24-39	910
900	510	585	1655	750	860	1075	1020	978	24-30	1115	1050	1001	28-33	1125	1050	1001	28-39	1500
1000	550	640	1765	850	900	1175	1120	1078	28-30	1230	1160	1112	28-36	1255	1170	1112	28-42	1750
1200	630	755	1995	850	900	1405	1340	1295	32-33	1455	1380	1328	32-39	1485	1390	1328	32-48	2180
1400	710	910	2310	1000	925	1630	1560	1510	36-36	1675	1590	1530	36-42	1685	1590	1530	36-48	2400
1600	790	1030	2595	1000	925	1830	1760	1710	40-36	1915	1820	1750	40-48	1930	1820	1750	40-56	2870
1800	870	1140	2810	1100	980	2045	1970	1918	44-39	2115	2020	1950	44-48	2130	2020	1950	44-56	3380
2000	950	1250	3100	1100	980	2265	2180	2125	48-42	2325	2230	2150	48-48	2345	2230	2150	48-62	4010

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