GBT 466 Cast Steel Gate Valves
Marine cast steel gate valve is used on the pipe system for sea water, fresh water,lubrication oil.
Design Standard: CB/T466-1995
Test Standard: GB600
Flange Size as per GB569 or GB2501
nominal pressure (Mpa)
|
nominal diameter(mm)
|
applicable medium
|
1.0
|
50-100
|
sea water,fresh water,lubrication oil
|
0.6
|
125-150
|
0.4
|
175-300
|
0.25
|
350-500
|
Main Parts & Material:
Body-Cast Steel
Bonnet-Cast Steel
Disc-Cast Steel
Stem-Stainless Steel
Nut-Bronze
Seal Ring-Stainless Steel
Main Size List(mm):
For Type A:
PN
Mpa
|
DN
(mm)
|
Structure Dimension
|
Flange
|
Bolt
|
Thickness δ
|
stem
|
hand
wheel
D0
|
Lift Range m
|
Weight
(kg)
|
L≈
|
H≈
|
D
|
D1
|
D2
|
b
|
d0
|
n
|
Th.
|
d
|
□
|
1.0
|
50
|
190
|
340
|
135
|
103
|
84
|
13
|
15
|
6
|
M14
|
8
|
Tr22×10(P5)LH
|
14
|
180
|
60
|
18
|
65
|
200
|
372
|
155
|
123
|
104
|
14
|
15
|
6
|
M14
|
9
|
Tr22×10(P5)LH
|
14
|
180
|
75
|
20
|
80
|
220
|
430
|
179
|
138
|
118
|
14
|
15
|
8
|
M14
|
9
|
Tr24×10(P5)LH
|
17
|
200
|
92
|
25
|
100
|
220
|
460
|
190
|
158
|
138
|
14
|
15
|
8
|
M14
|
10
|
Tr24×10(P5)LH
|
17
|
200
|
112
|
28
|
0.6
|
125
|
242
|
528
|
215
|
183
|
164
|
14
|
15
|
10
|
M14
|
10
|
Tr26×10(P5)LH
|
19
|
225
|
138
|
41
|
150
|
248
|
566
|
240
|
208
|
190
|
14
|
15
|
12
|
M14
|
10
|
Tr26×10(P5)LH
|
19
|
225
|
165
|
51
|
0.4
|
175
|
268
|
630
|
270
|
238
|
221
|
15
|
15
|
12
|
M14
|
11
|
Tr28×10(P5)LH
|
22
|
250
|
190
|
70
|
200
|
278
|
685
|
295
|
264
|
247
|
15
|
15
|
12
|
M14
|
11
|
Tr28×10(P5)LH
|
22
|
250
|
215
|
80
|
250
|
310
|
755
|
365
|
327
|
306
|
16
|
16
|
14
|
M16
|
13
|
Tr30×12(P6)LH
|
24
|
280
|
265
|
111
|
300
|
345
|
835
|
430
|
386
|
360
|
19
|
19
|
14
|
M20
|
13
|
Tr30×12(P6)LH
|
24
|
280
|
315
|
134
|
0.25
|
350
|
400
|
954
|
480
|
436
|
410
|
20
|
20
|
16
|
M20
|
14
|
Tr36×12(P6)LH
|
27
|
320
|
365
|
219
|
400
|
430
|
1045
|
530
|
486
|
460
|
21
|
21
|
16
|
M20
|
15
|
Tr36×12(P6)LH
|
27
|
360
|
418
|
267
|
450
|
460
|
1228
|
580
|
536
|
512
|
21
|
21
|
18
|
M20
|
16
|
Tr40×12(P6)LH
|
32
|
400
|
421
|
395
|
500
|
480
|
1315
|
635
|
591
|
567
|
21
|
21
|
20
|
M20
|
16
|
Tr40×12(P6)LH
|
32
|
450
|
518
|
519
|
For Type AS:
PN
Mpa
|
DN
(mm)
|
Structure Dimension
|
Flange
|
Bolt
|
stem
|
hand
wheel
D0
|
Lift Range m
|
Weight
(kg)
|
L≈
|
H≈
|
D
|
D1
|
D2
|
b
|
d0
|
n
|
Th.
|
d
|
□
|
1.0
|
50
|
178
|
340
|
165
|
125
|
102
|
20
|
18
|
4
|
M16
|
Tr22×10(P5)LH
|
14
|
180
|
60
|
20.3
|
65
|
190
|
372
|
185
|
145
|
122
|
20
|
18
|
4
|
M16
|
Tr22×10(P5)LH
|
14
|
180
|
75
|
24.5
|
80
|
203
|
430
|
200
|
160
|
133
|
20
|
18
|
8
|
M16
|
Tr24×10(P5)LH
|
17
|
200
|
92
|
33.8
|
100
|
229
|
460
|
220
|
180
|
158
|
22
|
18
|
8
|
M16
|
Tr24×10(P5)LH
|
17
|
200
|
112
|
41.2
|
0.6
|
125
|
254
|
528
|
240
|
200
|
178
|
20
|
18
|
8
|
M16
|
Tr26×10(P5)LH
|
19
|
225
|
138
|
62.1
|
150
|
267
|
566
|
265
|
225
|
202
|
20
|
18
|
8
|
M16
|
Tr26×10(P5)LH
|
19
|
225
|
165
|
71.6
|
0.4
|
175
|
292
|
630
|
295
|
255
|
232
|
22
|
18
|
8
|
M16
|
Tr28×10(P5)LH
|
22
|
250
|
190
|
86.4
|
200
|
292
|
685
|
320
|
280
|
258
|
22
|
18
|
8
|
M16
|
Tr28×10(P5)LH
|
22
|
250
|
215
|
101.8
|
250
|
330
|
755
|
375
|
335
|
312
|
24
|
22
|
12
|
M20
|
Tr30×12(P6)LH
|
24
|
280
|
265
|
155.1
|
300
|
356
|
835
|
440
|
395
|
365
|
24
|
22
|
12
|
M20
|
Tr30×12(P6)LH
|
24
|
280
|
315
|
201.2
|
0.25
|
350
|
381
|
954
|
490
|
445
|
415
|
26
|
22
|
12
|
M20
|
Tr36×12(P6)LH
|
27
|
320
|
365
|
298.3
|
400
|
406
|
1145
|
540
|
495
|
465
|
28
|
22
|
16
|
M20
|
Tr36×12(P6)LH
|
27
|
360
|
418
|
372.1
|
450
|
432
|
1330
|
595
|
550
|
520
|
28
|
22
|
16
|
M20
|
Tr40×12(P6)LH
|
32
|
400
|
468
|
560.0
|
500
|
457
|
1420
|
645
|
600
|
570
|
30
|
22
|
20
|
M20
|
Tr40×12(P6)LH
|
32
|
450
|
510
|
627.4
|
The description/sizes may be different with goods, please check with us when order.