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GB MARINE VALVE

Marine Bronze Flanged Check Valve GB/T589-1993

Marine Bronze Flanged Check Valve GB/T589-1993:

1.Design standard:GB/T 11698.

2.End standard:GB/T2501&GB/T569.

3.End type:Flange.

4.PN:0.6/1.0/1.6/2.5Mpa.

5.DN:15mm-125mm.

6.Main material:

Body/Bonnet:BC6;
Seat:BC6;
Stem:BS;
Disc:BC6.

7.Application:Sea water piping,fresh water piping,oil piping and steam piping.

8.Function:Such valves are used for preventing refluence.

Chart 1 Fundamental dimensions of type A and B:

PN (MPa)	DN (mm)	Structure Dimension					Thickness	Flange					Bolt		Lift Range m	Weight(kg)
		L		H≈		H1		Flange					Bolt			Weight(kg)
		A	B	A	B	B		D	D1	D2	d0	b	n个	Th		A	B
1.0	65	290	115	123	94	115	6	155	123	104	15	14	6	M14	19	12.2	11.3
	80	310	125	139	104	125	6	170	138	118	15	14	8	M14	23	16.4	14.3
	100	350	150	160	117	135	6	190	158	138	15	14	8	M14	28	24.6	22.7
	125	400	175	185	129	155	7	215	183	164	15	14	10	M14	35	37.0	30.4
1.6	125	400	175	197	143	155	7	225	187	168	17	17	10	M16	35	45.8	40.0
2.5	20	150	75	79	66	75	5	95	68	48	13	12	4	M12	6	3.6	3.5
	25	160	80	80	67	80	5	105	73	56	13	13	4	M12	7	4.3	4.1
	32	180	85	85	68	85	5	115	83	64	15	13	6	M14	9	5.0	4.8
	40	200	90	88	76	90	5	125	93	74	15	14	6	M14	12	6.3	6.0
	50	230	95	109	85	95	6	135	103	84	15	14	6	M14	15	8.6	8.2
	65	290	115	123	94	115	7	170	132	110	17	17	8	M16	19	13.5	11.5
	80	310	125	150	110	125	8	185	147	126	17	19	8	M16	23	19.8	17.3
	100	350	150	155	118	135	8	205	167	146	17	19	10	M16	28	30.5	25.7

Chart 1 Fundamental dimensions of type AS and BS:

PN (MPa)	DN (mm)	Structure Dimension					Thickness	Flange					Bolt		Lift Range m	Weight(kg)
		L		H≈		H1		Flange					Bolt			Weight(kg)
		AS	BS	AS	BS	BS		D	D1	D2	d0	b	n个	Th		AS	BS
0.6	15	130	90	84	70	90	4	80	55	40	11	12	4	M10	7	3.0	3.2
	20	150	95	84	70	95	4	95	65	50	11	12	4	M10	7	3.4	3.6
	25	160	100	84	70	100	4	100	75	60	11	14	4	M10	7	3.8	4.0
	32	180	105	90	70	105	5	120	90	70	14	15	4	M12	9	5.6	5.4
	40	200	115	101	77	115	5	130	100	80	14	16	4	M12	12	7.1	6.8
	50	230	125	110	80	125	5	140	110	90	14	17	4	M12	15	8.3	9.2
	65	290	145	122	89	145	6	160	130	110	14	17	4	M12	19	16.4	12.2
	80	310	155	153	112	155	6	190	150	128	18	19	4	M16	23	18.3	17.7
	100	350	175	162	113	175	6	210	170	148	18	20	4	M16	28	28.0	23.8
	125	400	200	182	123	200	7	240	200	178	18	20	8	M16	35	34.0	31.9
1.6	65	290	145	136	97	145	6	185	145	122	18	17	4	M16	19	15.6	14.4
	80	310	155	158	117	155	6	200	160	133	18	19	4	M16	23	22.0	20.8
	100	350	175	170	121	175	6	220	180	158	18	20	8	M16	28	36.5	31.3
	125	400	200	185	129	200	7	250	210	184	18	22	8	M16	35	43.0	37.2
2.5	15	130	90	84	70	90	5	95	65	47	14	12	4	M12	7	4.4	4.2
	20	150	95	84	70	95	5	105	75	58	14	12	4	M12	7	4.8	4.6
	25	160	100	84	70	100	5	115	85	68	18	14	4	M12	7	5.2	5.4
	32	180	105	90	70	105	5	140	100	78	18	15	4	M16	9	7.3	7.1
	40	200	115	101	77	115	5	150	110	88	18	16	4	M16	12	9.1	8.7
	50	230	125	110	81	125	6	165	125	102	18	17	4	M16	15	10.9	10.7
	65	290	145	136	97	145	7	185	145	122	18	17	8	M16	19	15.9	14.7
	80	310	155	158	117	155	7	200	160	133	18	19	8	M16	23	22.2	21.1
	100	350	175	170	121	175	8	235	190	158	22	20	8	M20	28	37.0	3.8