Quick Shutting Valve for Marine Use GB/T5744-2008 Type AS/ASS

Quick Shutting Valve for Marine Use GB/T5744-2008 Type AS/ASS:

China Quick Shutting Valve for Marine Use GB/T5744-2008 Type AS/ASS:

Quick Shutting Valve for Marine Use GB/T5744-2008 is mainly used on the marine oil pipe system to shut off the oil flow quickly. It can be manual or pneumatic.

Technical Specification:

Design Standard: GB/T5744-2008

Test Standard: GB600

Flange size as per GB2501, GB569

AS---Straight & Manual type with GB569 flange

ASS---Straight & Manual type with GB2501 flange

AQ---Straight & Pneumatic type with GB569 flange

AQS---Straight & Pneumatictype with GB2501 flange

BS---Angle & Manual type with GB569 flange

BSS---Angle & Manual type with GB2501 flange

BQ---Anlge & Pneumatic type with GB569 flange

BQS---Angle & Pneumatictype with GB2501 flange

Nominal Pressure(Mpa)	Nominal Diameter(mm)	Applicable medium
0.25	20-150	fuel oil,lubrication oil and other oil.

Main Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc-Carbon Steel

Stem-Stainless Steel

Piston-Brass

Main Size List(mm):

Flange as per GB569

DN (mm)	Structure Dimension						Thickness δ	Flange					Bolt		hand wheel		Lift Range m	cylinder volume V cm3	Weight(kg)
	Structure Dimension
	L		H		L1	L2
	AS AQ	BS BQ	AS AQ	BS BQ	L1	L2		D	D1	D2	b	d0	n	Th	Do	S			AS	AQ	BS	BQ
20	150	95	240	320	143	44	6	95	68	48	11	13	4	M12	80	8	7	27	5.8	6.7	6.2	7.1
25	160	100	242	325	143	44	6	105	73	56	12	13	4	M12	80	8	9	27	6.6	7.5	6.8	7.7
32	180	105	245	330	143	44	6	115	83	64	13	15	6	M14	100	9	9	27	7.1	8.0	7.0	7.9
40	200	115	275	365	143	48	6	125	93	74	13	15	6	M14	120	11	12	27	10.1	11.0	9.6	10.5
50	230	125	283	381	143	49	7	135	103	84	13	15	6	M14	140	12	15	27	11.6	12.5	12.6	13.5
65	290	145	325	437	155	58	7	155	123	104	14	15	6	M14	140	12	19	58	18.7	20.0	16.7	18.0
80	310	155	350	466	155	58	7	170	138	118	14	15	8	M14	160	14	23	58	23.7	25.0	22.7	24.0
100	350	175	375	500	155	62	8	190	158	138	14	15	8	M14	180	14	30	58	31.8	33.0	27.8	29.0
125	400	200	400	540	155	68	9	215	183	164	14	15	10	M14	200	17	36	58	37.8	39.0	33.8	35.0
150	480	225	430	580	155	75	10	240	208	190	14	15	12	M14	225	19	45	58	47.8	49.0	38.8	40.0

Flange as per GB2501

DN (mm)	Structure Dimension						Thickness δ	Flange					Bolt		hand wheel		Lift Range m	cylinder volume V cm3	Weight(kg)
	Structure Dimension
	L		H		L1	L2
	ASS AQS	BSS BQS	ASS AQS	BSS BQS	L1	L2		D	D1	D2	b	d0	n	Th.	Do	S			ASS	AQS	BSS	BQS
20	150	95	240	320	143	44	6	90	65	50	14	11	4	M10	80	8	7	27	6.8	7.6	7.2	8.0
25	160	100	242	325	143	44	6	100	75	60	14	11	4	M10	80	8	9	27	7.6	8.4	8.0	8.8
32	180	105	245	330	143	44	6	120	90	70	16	14	4	M12	100	9	9	27	9.2	10.0	9.0	9.8
40	200	115	275	365	143	48	6	130	100	80	16	14	4	M12	120	11	12	27	12.2	13.0	11.8	12.6
50	230	125	283	381	143	49	7	140	110	90	16	14	4	M12	140	12	15	27	14.9	15.7	15.9	16.7
65	290	145	325	437	155	58	7	160	130	110	16	14	4	M12	140	12	19	58	21.5	22.7	19.5	20.7
80	310	155	350	466	155	58	7	190	150	128	18	18	4	M16	160	14	23	58	25.8	27.0	24.8	26.0
100	350	175	375	500	155	62	8	210	170	148	18	18	4	M16	180	14	30	58	38.8	40.0	34.8	36.0
125	400	200	400	540	155	68	9	240	200	178	20	18	8	M16	200	17	36	58	46.3	47.5	42.3	43.5
150	480	225	430	580	155	75	10	265	225	202	20	18	8	M16	225	19	45	58	59.8	61.0	50.8	52.0