Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS

Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS:

China Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS:

Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS is the angle lift check valve used on the angle marine pipe system to prevent the backflow of medium.

Technical Specification:

Design and Manufacturing Standard: GB/T586-93, CBM1050-81, CBM1053-81

Test Standard: GB600

Flange size as per GB569, GB2501

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)	Applicalbel Medium
1.0	65~125	fresh water, lubrication oil, fuel oil, steam not over 300℃
1.6	20~125
2.5	20~100

Main Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc Seal Ring-Welded Stainless Steel

Body Sea Ring-Welded Stainless Steel

Main Size List(mm):

Type A/B (Flange Size as per GB569):

PN (MPa)	DN(mm)	Structure Dimension					Thickness δ	Flange					Bolt		Lift Range m	Weight(kg)
		Structure Dimension
		L		H≈		H1
		A	B	A	B	B		D	D1	D2	d0	b	n	Th.		A	B
1.0	65	290	1 15	124	91	115	6	155	123	104	15	14	6	M14	18	12.5	10.6
	80	310	125	151	110	125	7	170	138	118	15	14	8	M14	24	15.6	14.4
	100	350	150	165	116	135	8	190	158	138	15	14	8	M14	35	24.5	19.9
	125	400	175	184	124	155	8	215	183	164	15	14	10	M14	44	31.9	27.5
1.6	20	150	75	84	70	75	6	95	68	48	13	11	4	M12	7	3.3	3.2
	25	160	80	84	70	80	6	105	73	56	13	12	4	M12	7	3.9	3.8
	32	180	85	90	70	85	6	115	83	64	15	13	6	M14	9	5.8	5 1
	40	200	90	99	75	90	7	125	93	74	15	13	6	M14	11	7.1	6.3
	50	230	95	110	81	95	7	135	103	84	15	13	6	M14	14	8.8	8.5
	65	290	1 15	128	94	115	7	170	132	110	17	15	8	M16	18	13.5	11.5
	80	310	125	156	115	125	7	185	147	126	17	16	8	M16	24	18.0	16.9
	100	350	150	158	119	135	8	205	167	146	17	15	10	M16	35	26.3	22.7

Type AS, BS (Flange Size as per GB2501):

PN (MPa)	DN(mm)	Structure Dimension					Thickness δ	Flange					Flange		Lift Range m	Weight(kg)
		Structure Dimension
		L		H≈		H1
		AS	BS	AS	BS	BS		D	D1	D2	d0	b	n	Th.		AS	BS
1.6	100	350	175	158	119	175	8	220	180	158	18	22	8	M16	28	30.4	28.1
1.6	125	400	200	184	124	200	8	250	210	184	18	22	8	M16	35	39.6	35.2
2.5	20	150	95	84	70	95	6	105	75	58	14	16	4	M12	7	4.2	4.2
	25	160	100	84	70	100	6	115	85	68	14	16	4	M12	7	4.9	5.0
	32	180	105	90	70	105	6	140	100	78	18	18	4	M16	9	8.4	7.9
	40	200	115	99	75	115	7	150	1 10	88	18	18	4	M16	12	8.9	8.8
	50	230	125	110	81	125	7	165	125	102	18	20	4	M16	15	10.4	10 1
	65	290	145	128	94	145	7	185	145	122	18	22	8	M16	19	16.6	15.3
	80	310	155	156	115	155	7	200	160	133	18	24	8	M16	23	22.1	20.0
	100	350	175	158	119	175	8	235	190	158	22	24	8	M20	28	31.5	29.2