GB/T589 Marine Bronze Check Valve Type A/AS

Materials of main parts

Body Material: Cast Tin Bronze

Disc Material: Cast Tin Bronze

Stem Material: Alumium Bronze

Overview

Application: This GB/T589 Marine Bronze Check Valve Type A/AS is designed for marine applications involving fresh water, lubricant oil, fuel oil, t≤250°C steam.

Material Specification:

Parts Name	Material Name	Material Marks
Body, Cover, Disc	Cast tin bronze	ZCuSn10Zn2, ZCuSn5Pb5Zn5

Technical Specifications:

Model: GB/T589 Marine Bronze Check Valve Type A/AS
Nominal Pressure(MPa): Type A： PN1.6~PN2.5. Type AS：PN0.6~PN2.5.
Nominal Diameter(mm): Type A：DN20~DN125. Type AS：DN15~DN125.

Nominal Pressure (MPa)	Nominal Diameter (mm)	Available Medium
0.6	15 ~ 125	Fresh water, Lubricant oil, Fuel oil, t≤250°C steam.
1.0	65 ~ 125
1.6	65 ~ 125
2.5	15 ~ 100

Chart 1 Fundamental dimensions of type A:

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

Chart 2 Fundamental dimensions of type AS:

PN (MPa)	DN (mm)	Structure Dimension		Thickness	Flange					Bolt		Lift Range m	Weight(kg)
		L	H≈		Flange					Bolt			Weight(kg)
		AS	AS		D	D1	D2	d0	b	n(pcs)	Th		AS
0.6	15	130	84	4	80	55	40	11	12	4	M10	7	3.0
	20	150	84	4	95	65	50	11	12	4	M10	7	3.4
	25	160	84	4	100	75	60	11	14	4	M10	7	3.8
	32	180	90	5	120	90	70	14	15	4	M12	9	5.6
	40	200	101	5	130	100	80	14	16	4	M12	12	7.1
	50	230	110	5	140	110	90	14	17	4	M12	15	8.3
	65	290	122	6	160	130	110	14	17	4	M12	19	16.4
	80	310	153	6	190	150	128	18	19	4	M16	23	18.3
	100	350	162	6	210	170	148	18	20	4	M16	28	28.0
	125	400	182	7	240	200	178	18	20	8	M16	35	34.0
1.6	65	290	136	6	185	145	122	18	17	4	M16	19	15.6
	80	310	158	6	200	160	133	18	19	4	M16	23	22.0
	100	350	170	6	220	180	158	18	20	8	M16	28	36.5
	125	400	185	7	250	210	184	18	22	8	M16	35	43.0
2.5	15	130	84	5	95	65	47	14	12	4	M12	7	4.4
	20	150	84	5	105	75	58	14	12	4	M12	7	4.8
	25	160	84	5	115	85	68	18	14	4	M12	7	5.2
	32	180	90	5	140	100	78	18	15	4	M16	9	7.3
	40	200	101	5	150	110	88	18	16	4	M16	12	9.1
	50	230	110	6	165	125	102	18	17	4	M16	15	10.9
	65	290	136	7	185	145	122	18	17	8	M16	19	15.9
	80	310	158	7	200	160	133	18	19	8	M16	23	22.2
	100	350	170	8	235	190	158	22	20	8	M20	28	37.0