Marine Bronze Flanged Stop Check Valve GB/T588-2008 Type A/AS

Marine Bronze Flanged Stop Check Valve GB/T588-2008 Type A/AS:

China Marine Bronze Flanged Stop Check Valve GB/T588-2008 Type A/AS:

Marine Bronze Flanged Stop Check Valve GB/T588-2008 is the Screw Down Check Globe Valve used on the pipe system with the medium sea water, fresh water, lubricanting oil, fuel oil and temperature≤250℃ steam. The function is to open/close the medium, control the flow rate, and prevent the backflow of medium.

Technical Specification:

Design Standard: GB/T588-2008, CBM1070-81, CBM1076-81

Test Standard: GB600

Flange size as per GB569], GB2501, JIS 5K, JIS 16K

Hydraulic Test Pressure: 1.5 times of nominal pressure for body, 1.1 times of nominal pressure for seat.

Nominal Pressure(MPa)	Nominal Diameter(mm)	Applicable Medium
0.6	15～150	Sea water, Fresh water, Lubricanting oil, Fuel oil, t≤250℃steam.
1.0	65～150
1.6	65～150
2.5	15～125

Main Material:

Body-Bronze (ZCuSN5Pb5Zn5)

Bonnet-Bronze (ZCuSN5Pb5Zn5)

Disc-Bronze (ZCuSN5Pb5Zn5)

Seat-Bronze (ZCuSN5Pb5Zn5)

Stem-Bronze(QAI9-2)

Main Size List(mm):

Type A (Flange size as per GB569):

PN (MPa)	DN (mm)	Structure Dimension		Thickness δ	flange					Bolt		Hand wheel		Lift Range	Weight
		Structure Dimension
		L	H≈
		L	H≈		D	D1	D2	d0	b	n	Th	Do	S	m	kgs
1.0	65	290	310	6	155	123	104	15	14	6	M14	140	12	18	14.8
	80	310	345	6	170	138	118	15	14	8	M14	160	14	24	19.3
	100	350	374	6	190	158	138	15	14	8	M14	180	14	35	28.5
	125	400	426	7	215	183	164	15	14	10	M14	200	17	44	38.4
	150	480	487	7	240	208	190	15	14	12	M14	200	17	57	56.5
1.6	125	400	465	7	225	187	168	17	17	10	M16	250	22	44	53.9
1.6	120	480	524	8	255	217	196	17	19	12	M16	280	24	57	63.2
2.5	20	150	217	5	95	68	48	13	12	4	M12	80	8	7	4.7
	25	160	217	5	105	73	56	13	13	4	M12	80	8	7	5.5
	32	180	236	5	115	83	64	15	13	6	M14	100	9	9	6.6
	40	200	260	5	125	93	74	15	14	6	M14	120	11	11	8.7
	50	230	288	6	135	103	84	15	14	6	M14	140	12	14	11.0
	65	290	335	7	170	132	110	17	17	8	M16	160	14	18	18.3
	80	310	366	7	185	147	126	17	19	8	M16	200	17	24	26.5
	100	350	427	8	205	167	146	17	19	10	M16	250	22	35	38.2
	125	400	493	9	240	196	172	21	21	10	M20	280	24	44	66.6

Type AS (Flange Size as per GB2501:

PN (MPa)	DN (mm)	Structure Dimension		Thickness δ	flange					Bolt		Hand wheel		Lift Range m	Weight
		Structure Dimension
		L	H≈
		AS	AS		D	D1	D2	d0	b	n	Th	Do	S		kgs
0.6	15	130	217	4	80	55	40	11	12	4	M10	80	8	7	3.9
	20	150	217	4	60	65	50	11	12	4	M10	80	8	7	4.7
	25	160	217	4	100	75	60	11	14	4	M10	80	8	7	5.4
	32	180	236	5	120	90	70	14	15	4	M12	100	9	9	6.6
	40	200	260	5	130	100	80	14	16	4	M12	120	11	11	8.7
	50	230	288	5	140	110	90	14	17	4	M12	140	12	14	11.0
	65	290	310	6	160	130	110	14	17	4	M12	140	12	19	17.1
	80	310	345	6	190	150	128	18	19	4	M16	160	14	26	22.6
	100	350	374	6	210	170	148	18	20	4	M16	180	14	35	33.7
	125	400	426	7	240	200	178	18	20	8	M16	200	17	44	45.4
	150	480	487	7	265	225	202	18	20	8	M16	200	17	57	67.9
1.6	65	290	335	6	185	145	122	18	17	4	M16	160	14	18	20.8
	80	310	366	6	200	160	133	18	19	8	M16	200	17	24	28.8
	100	350	427	6	220	180	158	18	20	8	M16	250	22	35	45.8
	125	400	465	7	250	210	184	18	22	8	M16	250	22	44	57.6
	150	480	524	8	285	240	212	22	22	8	M20	280	24	57	69.5
2.5	15	130	217	5	95	65	47	14	12	4	M12	30	8	7	5.4
	20	150	217	5	105	75	58	14	12	4	M12	30	8	7	5.9
	25	160	217	5	115	85	68	14	14	4	M12	30	8	7	6.2
	32	180	236	5	140	100	78	18	15	4	M16	100	9	9	8.8
	40	200	260	5	150	110	88	18	16	4	M16	120	11	11	10.8
	50	230	288	6	165	125	102	18	17	4	M16	140	12	14	14.3
	65	290	335	7	185	145	122	18	17	8	M16	160	14	18	21.0
	80	310	366	7	200	160	133	18	19	8	M16	200	17	24	29.0
	100	350	427	8	235	190	158	22	20	8	M20	250	22	35	46.4
	125	400	493	9	270	220	184	26	16	8	M24	280	24	44	76.2