GB T591 Marine Cast Iron Stop Check Valve
1. Application
GB T591 Marine Cast Iron Stop Check Valve generally used in shipbuilding and repair ships, sometimes it also can be used in offshore platform.
2. Material
(1) body & cover: gray cast iron
(2) disc: cast tin bronze
(3) seat: cast aluminum bronze
(4) stem: aluminum bronze
To meet the different needs of customers, the special materials can be customized according to one's request processing.
3. Nominal Pressure(MPa) & Diameter(mm)
Pressure: 0.6, 1.0, 1.6
Diameter: 50~300, 65~250, 20~50
4. Features
(1) Excellent quality and beautiful shape.
(2) We can provide a varity of IACS certificate such as ABS, CCS, BV, LR, RINA, KR, NK, DNV etc.
(3) We can provide sample if necessary.
5. Dimension
Type A & Type B
PN
(MPa)
DN
(mm)
Structure dimension
Thickness
flange
bolt
Hand wheel
Lift
Range
m
Weight(kg)
L
H
H1
A
B
A
B
B
D
D1
D2
d0
b
n
Th.
D0
S
A
B
1.0
65
290
115
310
277
115
9
155
123
104
15
15
6
M14
140
12
18
18.9
16.7
80
310
125
345
304
125
9
170
138
118
15
15
8
M14
160
14
24
23.0
19.9
100
350
150
374
325
135
10
190
158
138
15
15
8
M14
180
14
35
31.0
27.2
125
400
175
426
366
155
10
215
183
164
15
15
10
M14
200
17
44
39.3
37.5
150
480
180
482
410
160
11
240
208
190
15
16
12
M14
200
17
57
55.5
48.4
1.6
20
150
75
217
203
75
7
95
68
48
13
14
4
M12
80
8
7
5.7
5.1
25
160
80
217
203
80
7
105
73
56
13
14
4
M12
80
8
7
6.0
5.6
32
180
85
236
216
85
7
115
83
64
15
15
6
M14
100
9
9
7.0
6.9
40
200
90
260
236
90
8
125
93
74
15
16
6
M14
120
11
11
9.2
8.5
50
230
95
288
258
95
8
135
103
84
15
16
6
M14
140
12
14
11.9
11.3
Type AS & Type BS
PN
(MPa)
DN
(mm)
Structure dimension
Thickness
flange
bolt
Hand wheel
Lift
Range
m
Weight(kg)
L
H
H1
D
D1
D2
d0
b
n
Th.
D0
S
AS
BS
AS
BS
AS
BS
BS
0.6
50
230
125
288
258
125
8
140
110
90
14
16
4
M12
140
12
14
12.2
12.2
65
290
145
310
277
145
9
160
130
110
14
16
4
M12
140
12
18
19.2
17.7
80
310
155
345
304
155
9
190
150
128
18
18
4
M16
160
14
24
23.8
21.7
100
350
175
374
325
175
10
210
170
148
18
18
4
M16
180
14
35
34.5
32.3
125
400
200
426
366
200
10
240
200
178
18
20
4
M16
200
17
44
42.55
42.8
150
480
225
482
410
225
11
265
225
202
18
20
8
M16
200
17
57
58.7
55.8
175
540
225
557
489
225
11
295
255
232
18
22
8
M16
200
17
60
76.8
70.3
200
600
275
621
549
275
11
320
280
258
18
22
8
M16
280
24
68
102.0
95.6
250
730
325
721
623
325
13
375
335
312
18
24
12
M16
360
27
80
158.0
151.0
300
850
375
794
691
375
13
440
395
365
22
24
12
M20
450
32
100
218.0
207.0
1.0
65
290
145
310
277
145
9
185
145
122
18
20
4
M16
140
12
18
21.6
20.1
80
310
155
345
304
155
9
200
160
133
18
22
8
M16
160
14
24
26.0
23.9
100
350
175
374
325
175
10
220
180
158
18
24
8
M16
180
14
35
35.0
32.8
125
400
200
426
366
200
10
250
210
184
18
26
8
M16
200
17
44
44.3
44.6
150
480
225
482
410
225
11
285
240
212
22
26
8
M20
200
17
57
62.7
59.8
175
540
225
557
489
225
11
315
270
242
22
28
8
M20
280
24
60
80.3
73.8
200
600
275
621
543
275
11
340
295
268
22
28
8
M20
360
27
68
106.0
99.6
250
730
325
721
623
325
13
395
350
320
22
28
12
M20
450
32
80
160.0
153.0
1.6
20
150
95
217
203
95
7
105
75
58
14
16
4
M12
80
8
7
6.2
5.7
25
160
100
217
203
100
7
115
85
68
14
16
4
M12
80
8
7
6.6
6.4
32
180
105
236
216
105
7
140
100
78
18
18
4
M16
100
9
9
8.6
8.7
40
200
115
260
236
115
8
150
110
88
18
18
4
M16
120
11
11
11.0
10.7
50
230
125
288
258
125
8
165
125
102
18
20
4
M16
140
12
14
14.2
14.2
6. IACS Certificate: ABS, BV, CCS, LR, NK, DNV, KR, RINA.