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.
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