GB T5744-2008 Marine Quick Closing Valve

GB T5744-2008 Marine Quick Closing Valve

1. Application

GB T5744-2008 Marine Quick Closing Valve apply to lubricanting oil, fuel oil and other oil, it generally used to repair ships, shipbuilding and used in offshore platform.

2. Material

(1) body & cover: cast steel

(2) cylinder body: cast aluminum bronze

(3) disc: carbon steel

(4) stem: stainless steel

(5) piston: zine brass

To meet the different needs of customers, the special materials can be customized according to one's request processing.

3. Technical Data

(1) nominal pressure(MPa): 0.25

(2) nominal diameter(mm): 20~150

4. Features

(1) Excellent quality and beautiful shape.

(2) Flexible customization according to business requirements.

5. Dimensions(mm)

AS/AQ/BS/BQ

DN (mm)	Structure dimension						flange					bolt		Hand wheel		Cylinder Volume V	Weight(kg)
	L		H		L1	L2
	AS AQ	BS BQ	AS AQ	BS BQ			D	D1	D2	b	d0	n	Th.	D0	S		AS	AQ	BS	BQ
20	150	95	240	320	143	44	95	68	48	11	13	4	M12	80	8	27	5.8	6.7	6.2	7.1
25	160	100	242	325	143	44	105	73	56	12	13	4	M12	80	8	27	6.6	7.5	6.8	7.7
32	180	105	245	330	143	44	115	83	64	13	15	6	M14	100	9	27	7.1	8.0	7.0	7.9
40	200	115	274	365	143	48	125	93	74	13	15	6	M14	120	11	27	10.1	11.0	9.6	10.5
50	230	125	283	381	143	49	135	103	84	13	15	6	M14	140	12	27	11.6	12.5	12.6	13.5
65	290	145	325	437	155	58	155	123	104	14	15	6	M14	140	12	58	18.7	20.0	16.7	18.0
80	310	155	350	466	155	58	170	138	118	14	15	8	M14	160	14	58	23.7	25.0	22.7	24.0
100	350	175	375	500	155	62	190	158	138	14	15	8	M14	180	14	58	31.8	33.0	27.8	29.0
125	400	200	400	540	155	68	215	183	164	14	15	10	M14	200	17	58	37.8	39.0	33.8	35.0
150	480	225	430	580	155	75	240	208	190	14	15	12	M14	225	19	58	47.8	49.0	38.8	40.0

ASS/AQS/BSS/BQS

DN (mm)	Structure dimension						flange					bolt		Hand wheel		Cylinder Volume V	Weight(kg)
	L		H		L1	L2
	ASS AQS	BSS BQS	ASS AQS	BSS BQS			D	D1	D2	b	d0	n	Th.	D0	S		ASS	AQS	BSS	BQS
20	150	95	240	320	143	44	90	65	50	14	11	4	M10	80	8	27	6.8	7.6	7.2	8.0
25	160	100	242	325	143	44	100	75	60	14	11	4	M10	80	8	27	7.6	8.4	8.0	8.8
32	180	105	245	330	143	44	120	90	70	16	14	4	M12	100	9	27	9.2	10.0	9.0	9.8
40	200	115	274	365	143	48	130	100	80	16	14	4	M12	120	11	27	12.2	13.0	11.8	12.6
50	230	125	283	381	143	49	140	110	90	16	14	4	M12	140	12	27	14.9	15.7	15.9	16.7
65	290	145	325	437	155	58	160	130	110	16	14	4	M12	140	12	58	21.5	22.7	19.5	20.7
80	310	155	350	466	155	58	190	150	128	18	18	4	M16	160	14	58	25.8	27.0	24.8	26.0
100	350	175	375	500	155	62	210	170	148	18	18	4	M16	180	14	58	38.8	40.0	34.8	36.0
125	400	200	400	540	155	68	240	200	178	20	18	8	M16	200	17	58	46.3	47.5	42.3	43.5
150	480	225	430	580	155	75	265	225	202	20	18	8	M16	225	19	58	59.8	61.0	50.8	52.0

6. IACS Certificate: RINA, CCS, DNV, KR, LR, BV, NK, ABS.