Marine valve series__Anhui Dazhong Valve Co., Ltd.

Marine Center Wafer Butterfly Valve

Technical Parameter

Nominal diameter: DN50～DN500Nominal pressure: PN1.0-1.6MPa, 5K-16K, 150LbBody material: cast steel, bronze, stainless steel, ductile ironApplicable medium: sea water, fresh water, air, crude oil, refined oilBody type: A type, B type, C type, D type, Q type, Y typeWorking temperature: -40℃～170℃Connection form: clip typeDrive type: handle type, worm gear type, screw type, hydraulic

Product Detail

Marine Center Wafer Butterfly Valve(图1)

Main external connection dimensions

Nominal Pressure(Mpa)	Nominal Diameter(mm)	A type			B type			C type			D type			Q type			Y type
Nominal Pressure(Mpa)	Nominal Diameter(mm)	H	H1	L1	H	H1	L1	H	H1	L1	H	H1	L1	H	H1	L1	H	H1	L1
1.0	50	215	80	235	420	80	90	280	80	160	600	80	200	265	80	75	325	80	156
	65	235	90	235	435	90	90	295	90	160	615	90	200	348	90	75	345	90	156
	80	285	120	235	480	120	90	340	120	160	680	120	250	430	120	75	365	120	156
	100	315	130	250	500	130	90	360	130	160	700	130	250	475	130	105	405	130	156
	125	355	150	300	565	150	100	395	150	160	738	150	300	510	150	105	485	150	156
	150	395	165	350	600	165	100	430	165	180	780	165	300	615	165	105	509	165	156
	200				700	195	125	485	195	180	845	195	350	670	195	105	622	195	242
	250				770	225	125	570	225	210	940	225	350	775	225	120	698	225	242
	300				860	250	140	630	250	210	995	250	400	830	250	120	794	250	305
	350				930	280	160	730	280	275	1058	280	400	930	280	140	860	280	305
	400				995	310	160	800	310	275	1118	310	400	1000	310	140	908	310	305
	450				1139	344	225	875	344	275							995	344	305
	500				1272	382	225	960	382	350							1011	382	305

Nominal Pressure (Mpa)	Nominal Diameter(mm)	Structure&flange dimension												Hole of Nut
		ISO(GB2501-89)				JIS				GB(GB569-65)				ISO		JIS		GB
		L	D	D1	D2	L	D	D1	D2	L	D	D1	D2	n	d	n	d	n	d
1.0	50	43	165	125	102	43	155	120	98	43	135	103	84	4	18	4	19	6	16
	65	46	185	145	122	46	175	140	112	46	155	123	104	4	18	4	19	6	16
	80	46	200	160	133	46	185	150	125	46	170	138	118	8	18	8	19	8	16
	100	52	220	180	158	52	210	175	144	52	190	158	138	8	18	8	18	8	16
	125	56	250	210	184	56	250	210	178	56	215	183	164	8	18	8	23	10	16
	150	56	285	240	212	56	280	240	207	56	240	208	190	8	22	8	23	12	16
	200	60	340	295	268	60	330	290	260	60	310	273	250	8	22	12	23	12	18
	250	68	395	350	320	68	400	355	316	68	380	336	310	12	22	12	25	14	22
	300	78	445	400	370	78	445	400	361	78	435	391	364	12	22	12	25	16	22
	350	78	505	460	430	78	490	445	404	78	485	441	414	16	22	16	25	18	22
	400	102	565	515	482	102	560	510	462	102	545	496	466	16	26	16	27	18	26
	450	114	615	565	530	114	620	565	522	114	600	551	520	20	26	20	27	20	26
	500	127	670	620	585	127	675	620	585	127	650	601	573	20	26	20	27	20	26

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