GB T/592 Marine Cast Iron Check Valve Type B/BS

Materials of main parts

Body Material: Cast Iron

Disc Material: Cast Tin Bronze

Stem Material: Cast Alumium Bronze

Overview

Application: This GB T/592 Marine Cast Iron Check Valve Type B/BS is designed for marine applications involving fresh water, lubricant oil, fuel oil, t≤220℃ steam.

Material Specification:

Parts Name	Material
	Name	Marks
Body, Cover	Cast iron	HT200
Disc	Cast tin bronze	ZCuSn10Zn2
Stem	Cast aluminum bronze	ZCuAl9Mn2
Seat	Aluminum bronze	CuAl9Mn2

Technical Specifications:

Model: GB T/592 Marine Cast Iron Check Valve Type B/BS
Nominal Pressure(Mpa): Type B: PN1.0~PN1.6 Type BS: PN0.6~PN1.6
Nominal Diameter(mm): DN20~DN150

Type	Nominal Pressure PN (MPa)	Nominal Diameter DN (mm)	Available Medium
B	1.0	65 ~ 150	Sea water, Fresh water, Lubricant oil, Fuel oil, t≤220℃ steam.
B	1.6	20 ~ 50
BS	0.6	50 ~ 150
	1.0	65 ~ 150
	1.6	20 ~ 50

Dimensions:

Type B:

PN (MPa)	DN (mm)	Structure Dimension			Thickness δ	Flange					Bolt		Lift Range m	Weight
		L	H≈	H1		Flange					Bolt			Weight
		L	H≈	H1		D	D1	D2	d0	b	n	Th		kgs
1.0	65	115	95	115	9	155	123	104	15	15	6	M14	19	12.9
1.0	80	125	102	125	9	170	138	118	15	15	8	M14	23	15.1
1.6	100	150	116	135	10	190	158	138	15	15	8	M14	28	21.6
	125	175	135	155	10	215	183	164	15	15	10	M14	35	32.9
	150	180	154	160	11	240	208	190	15	16	12	M14	42	41.2
	20	75	66	75	7	95	68	48	13	14	4	M12	7	3.7
	25	80	67	80	7	105	73	56	13	14	4	M12	7	4.2
	32	85	68	85	7	115	83	64	15	15	6	M14	9	5.2
	40	90	75	90	8	125	93	74	15	16	6	M14	12	6.6
	50	95	85	95	8	135	103	84	15	16	8	M14	15	8.3

Type BS:

PN (MPa)	DN (mm)	Structure Dimension			Thickness δ	Flange					Bolt		Lift Range m	Weight
		L	H1			Flange					Bolt			Weight
		L	H1			D	D1	D2	d0	b	n	Th		kgs
0.6	50	125	85	125	8	140	110	90	14	16	4	M12	15	10.0
	65	145	95	145	9	160	130	110	14	16	4	M12	19	16.4
	80	155	102	155	9	190	150	128	18	18	4	M16	23	20.3
	100	175	116	175	10	210	170	148	18	18	4	M16	28	32.2
	125	200	135	200	10	240	200	178	18	20	8	M16	35	40.3
	150	225	154	225	11	265	225	202	18	20	8	M16	42	56.4
1.0	65	145	95	145	9	185	145	122	18	20	4	M16	19	19.0
	80	155	102	155	9	200	160	133	18	22	8	M16	23	22.7
	100	175	116	175	10	220	180	158	18	24	8	M16	28	30.8
	125	200	135	200	10	250	210	184	18	26	8	M16	35	42.3
	150	225	154	225	11	285	240	212	22	26	8	M20	42	60.8
1.6	20	95	66	95	7	105	75	58	14	16	4	M12	7	5.0
	25	100	67	100	7	115	85	68	14	16	4	M12	7	5.3
	32	105	68	105	7	140	100	78	18	18	4	M16	9	7.3
	40	115	75	115	8	150	110	88	18	18	4	M16	12	9.7
	50	125	85	125	8	165	125	102	18	20	4	M16	15	12.0