GB T11691-1989 Cast Steel Suction Sea Valve
1. Application
GB T11691-1989 Cast Steel Suction Sea Valve can be generally used to repair ships and used for shipbuilding in sea water and fresh water, sometimes it also can be used in offshore platform.
2. Material
(1) body & cover: cast steel
(2) stem: aluminum bronze
(3) disc: cast tin bronze
The material of this product can be made to order, for example:cast steel, stainless steel 304, stainless steel 316L etc.
3. Technical Data
(1) nominal pressure(MPa): 0.4
(2) nominal diameter(mm): 50~500
4. Features
(1) Excellent quality and beautiful shape.
(2) We can provide samples if necessary.
5. Dimensions(mm)
DN
Structure dimension
flange
bolt
Hand wheel
Lift range
Weight
(kg)
L
H
D
D1
D2
d0
b
n
Th.
50
125
230
140
110
90
14
16
4
M12
140
16
14
65
145
240
160
130
110
20
17.1
80
155
260
190
150
128
18
18
M16
160
24
21
100
175
280
210
170
148
180
30
25.7
125
200
310
240
200
178
20
8
200
40
36.5
150
225
340
265
225
202
225
48
59.8
200
275
375
320
280
258
22
280
60
80.7
250
325
425
375
335
312
24
12
360
70
121
300
375
480
440
395
365
22
M20
400
78
184
350
425
560
490
445
415
26
450
100
247
400
475
640
540
495
465
28
16
500
110
324
450
500
720
595
550
520
30
16
M20
550
150
440
500
525
800
645
600
570
20
M20
600
155
518
6. IACS Certificate: RINA, BV, CCS, DNV, KR, LR, ABS, NK.
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