GB T3037-94 Marine Double Eccentric Type Butterfly Valve
1. Application
GB T3037-94 Marine Double Eccentric Type Butterfly Valve can be generally used to repair ships and shipbuilding.
2. Material
(1) body: cast iron
(2) disc: aluminum bronze
(3) stem: stainless steel
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): 1.0 ;1.6
(2) nominal diameter(mm): 100~500; 100~800
4. Features
(1) Excellent quality and beautiful shape.
(2) Applicable to a variety of medium.
5. Dimensions(mm)
Type A
PN
MPa
DN
Structure dimensions
flange
H
H1
H2
L1
L2
L3
L4
L
D
D1
n
d0
h
1.0
100
278
145
214
103
174
40
60
64
190
158
4
M14
21
125
303
165
244
70
215
183
150
361
180
276
134
207
50
73
76
240
208
200
396
212
306
213
89
310
273
M16
24
250
436
247
346
149
231
55
78
114
380
336
M20
30
300
482
292
388
159
240
65
88
435
391
350
520
342
422
179
262
80
93
127
485
441
400
567
362
463
191
279
85
98
140
545
496
M24
36
450
630
392
522
206
303
95
110
152
600
551
500
673
418
561
221
318
105
115
650
601
1.6
100
278
145
214
103
174
40
60
64
205
167
M16
24
125
303
165
244
70
225
187
150
361
180
276
134
207
50
73
76
255
217
200
396
212
306
213
89
325
281
M20
30
250
436
247
346
149
231
55
78
114
390
341
M24
36
300
482
292
388
159
240
65
88
445
396
350
520
342
422
179
262
80
93
127
495
447
400
567
362
463
191
279
85
98
140
560
505
M27
41
450
630
392
522
206
303
95
110
152
610
555
500
673
418
561
221
318
105
115
665
610
Type AS
PN
MPa
DN
Structure dimension
flange
H
H1
H2
L1
L2
L3
L4
L
D
D1
n
d0
h
1.0
100
278
145
214
103
174
40
60
64
220
180
4
M16
24
125
303
165
244
70
250
210
150
361
180
276
134
207
50
73
76
285
240
M20
30
200
396
212
306
213
89
340
295
250
436
247
346
149
231
55
78
114
395
350
300
482
292
388
159
240
65
88
445
400
350
520
342
422
179
262
80
93
127
505
460
400
567
362
463
191
279
85
98
140
565
515
M24
36
450
630
392
522
206
303
95
110
152
615
565
500
673
418
561
221
318
105
115
670
620
550
745
445
630
236
338
120
125
170
730
675
M27
41
600
774
479
655
266
368
145
135
178
780
725
8
650
839
508
720
372
140
210
835
780
700
872
538
749
301
407
175
155
229
895
840
750
933
568
808
336
451
195
158
230
955
900
M30
45
800
967
607
835
367
481
220
163
241
1015
950
6. IACS Certificate: RINA, CCS, DNV, KR, LR, NK, ABS, BV.
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