GB T1855-1993 Marine Cast Iron Suction Stop Check Valve Box
1. Application
GB T1855-1993 Marine Cast Iron Suction Stop Check Valve Box can be generally used in sea water and fresh water, and it can be used to repair ships, it is more safer than other valve.
2. Material
(1) body & cover: gray cast iron
(2) disc: cast tin bronze
(3) seat & stem: aluminum bronze
the material of goods can be chosen according to your needs.
3. Nominal Pressure(KPa) & Diameter(mm)
Pressure: 1.0 ; 0.6
Diameter: 40/50~150/200 ; 200/250~250/300
4. Features
(1) We have IACS Certificate such as CCS, ABS, LR etc.
(2) We can provide samples if necessary.
5. Dimensions
Type R & Type S
PN
(MPa)
DN
(mm)
Structure dimension
thickness
Connection dimension of flange
L1
L2
L3
L4
H
B1
B2
d
Inlet DN1
Outlet DN2
Bolt
Th.
DN1
DN2
R
S
R
S
D
D1
D2
b1
n1-d1
D3
D4
D5
b2
n2-d2
1.0
40
50
110
160
380
540
210
370
229
95
50
15
8
125
93
74
16
6-15
135
103
84
16
6-15
M14
50
65
120
180
420
600
230
410
259
100
50
15
8
135
103
84
16
6-15
155
123
104
15
6-15
M14
65
80
130
180
440
620
230
410
269
120
50
15
9
155
123
104
15
6-15
170
138
118
15
8-15
M14
80
100
140
200
480
680
260
460
290
130
60
17
9
170
138
118
15
8-15
190
158
138
15
8-15
M14
100
125
170
230
570
800
290
520
308
150
60
17
10
190
158
138
15
8-15
215
183
164
15
10-15
M14
125
150
200
250
650
900
310
560
349
160
60
17
10
215
183
164
15
10-15
240
208
190
16
12-15
M14
150
200
230
280
740
1020
340
620
389
175
60
17
11
240
208
190
16
12-15
295
264
247
16
12-15
M14
0.6
200
250
280
380
940
1320
446
826
510
225
80
21
13
295
264
247
16
12-15
365
327
306
18
14-17
M14
250
300
400
460
1260
1720
544
1004
628
270
80
21
14
365
327
306
18
14-17
430
386
360
19
14-17
M16
Type RS & Type SS
PN
(MPa)
DN
(mm)
Structure dimension
thickness
Connection dimension of flange
L1
L2
L3
L4
H
B1
B2
d
Inlet DN1
Outlet DN2
Bolt
Th.
DN1
DN2
RS
SS
RS
SS
D
D1
D2
b1
n1-d1
D3
D4
D5
b2
n2-d2
1.0
40
50
115
180
410
590
230
410
229
105
50
13
8
150
110
88
18
4-18
165
125
102
20
4-18
M16
50
65
125
195
445
650
245
440
259
115
50
15
8
165
125
102
20
4-18
185
145
122
20
4-18
M16
65
80
145
215
505
720
265
480
269
135
50
15
9
185
145
122
20
4-18
200
160
133
22
8-18
M16
80
100
155
230
540
770
290
520
290
145
60
17
9
200
160
133
22
8-18
220
180
158
24
8-18
M16
100
125
175
270
620
890
330
600
308
165
60
17
10
220
180
158
24
8-18
250
210
184
26
8-18
M16
125
150
200
290
690
980
350
640
349
180
60
17
10
250
210
184
26
8-18
285
240
212
26
8-22
M16
150
200
225
325
775
1100
385
710
389
200
60
17
11
285
240
212
26
8-22
340
295
268
28
8-22
M20
0.6
200
250
275
380
930
1310
450
830
510
240
70
21
13
320
280
258
22
8-18
375
335
312
24
12-18
M16
250
300
325
435
1080
1515
505
940
628
280
70
21
14
375
335
312
24
12-18
440
395
365
24
12-22
M16
6. IACS Certificate: ABS, BV, RINA, CCS, DNV, KR, LR, LR, NK.