Metal to Metal Butterfly Valve:
Main Structural Features
Three-dimensional incline taper airproof seat 900 openinger cleaning
Triple eccentric,Bereled wedgedisc small friction and torque,self-clean
Manual,electric,pneumatit and gear operation etc.
Standards Compliance
Design Standard
|
MSS SP 67-1997
|
Face to Face
|
BS5155
|
Flange Ends
|
ANSI B16.5
|
Test & Inspection
|
API598
|
Material specification
NO.
|
Part name
|
Material
|
||||
A216 WCB
|
A217 LCB
|
A351 CF8
|
A351 CF8M
|
A351 CF3M
|
||
1
|
Nether cover
|
A105
|
A105
|
A182 F304
|
A182 F316
|
A182 F316L
|
2
|
Bearing
|
A182 F6a
|
A182 F304
|
A182 F304
|
A182 F316
|
A182 F316L
|
3
|
Wrash
|
F304+Flexible graphite
|
||||
4
|
Body
|
A216 WCB
|
A217 LCB
|
A351 CF8
|
A351 CF8M
|
A351 CF3M
|
5
|
Nut
|
A194 2H
|
A194 4
|
A194 8
|
A194 8M
|
A194 8M
|
6
|
Bolt
|
A193 B7
|
A193 B16
|
A193 B8
|
A193 B8M
|
A193 B8M
|
7
|
Gland
|
A182 F410
|
A182 F304
|
A182 F304
|
A182 F316
|
A182 F316L
|
12
|
Key
|
A194 2H
|
||||
13
|
Gear action
|
Nodular cast iron
|
||||
14
|
Yoke
|
A216 WCB
|
A351 CF8
|
|||
15
|
Shaft packing
|
Flexible graphite
|
PTFE
|
|||
16
|
Bearing
|
B148/SF-1/17-7PH
|
||||
17
|
Tailpiece
|
A216 WCB
|
A217 LCB
|
A351 CF8
|
A351 CF8M
|
A351 CF3M
|
18
|
Seal seat
|
Flexible graphite
|
PTFE
|
|||
20
|
Pin
|
A276 316
|
A276 316
|
A276 316
|
A276 316
|
A276 316
|
21
|
Butterfly board
|
A351 CF8M
|
A351 CF8M
|
A351 CF8M
|
A351 CF8M
|
A351 CF3M
|
22
|
Shaft
|
A276 316
|
A276 316
|
A276 316
|
A276 316
|
A276 316L
|
Dimension & Weight (mm&Kg)
Class 150Lb
|
||||||||||||||
NPS
|
2"
|
3"
|
4"
|
5"
|
6"
|
8"
|
10"
|
12"
|
14"
|
16"
|
18"
|
20"
|
24"
|
|
L-RF
|
43
|
64
|
64
|
70
|
76
|
89
|
114
|
114
|
127
|
140
|
152
|
152
|
178
|
|
L-BW
|
107
|
114
|
127
|
140
|
140
|
152
|
165
|
178
|
190
|
216
|
222
|
229
|
267
|
|
L-WF
|
43
|
49
|
56
|
64
|
70
|
71
|
76
|
86
|
92
|
102
|
114
|
127
|
154
|
|
D1
|
120.5
|
152.5
|
190.5
|
216
|
241.5
|
298.5
|
362
|
432
|
476
|
540
|
578
|
635
|
749.5
|
|
D2
|
92
|
127
|
157
|
186
|
216
|
270
|
324
|
381
|
413
|
470
|
533
|
584
|
692
|
|
H
|
345
|
380
|
415
|
455
|
545
|
615
|
695
|
830
|
900
|
980
|
1030
|
1110
|
1305
|
|
H1
|
280
|
315
|
350
|
390
|
455
|
522
|
605
|
730
|
800
|
870
|
920
|
1000
|
1155
|
|
H2
|
110
|
125
|
145
|
165
|
175
|
210
|
250
|
285
|
320
|
355
|
380
|
415
|
475
|
|
WT
Kg
|
RF
|
20
|
29
|
35
|
40
|
81
|
94
|
156
|
183
|
239
|
302
|
346
|
434
|
638
|
BW
|
21
|
27
|
34
|
41
|
43
|
81
|
102
|
132
|
164
|
193
|
238
|
302
|
457
|
|
WF
|
9
|
11
|
13
|
16
|
26
|
34
|
51
|
72
|
106
|
133
|
176
|
290
|
394
|
|
Class 300Lb
|
||||||||||||||
L-RF
|
43
|
64
|
64
|
70
|
76
|
89
|
114
|
114
|
127
|
140
|
152
|
152
|
178
|
|
L-BW
|
43
|
49
|
56
|
64
|
70
|
71
|
76
|
86
|
92
|
102
|
114
|
127
|
154
|
|
L-WF
|
160
|
180
|
190
|
200
|
210
|
230
|
250
|
270
|
290
|
310
|
330
|
350
|
390
|
|
D1
|
127
|
168
|
200
|
235
|
270
|
330
|
387
|
451
|
514
|
571
|
628
|
686
|
813
|
|
D2
|
92
|
127
|
157
|
186
|
216
|
270
|
324
|
381
|
413
|
470
|
533
|
584
|
692
|
|
H
|
345
|
380
|
415
|
455
|
524
|
615
|
695
|
830
|
900
|
980
|
1030
|
1110
|
1305
|
|
H1
|
280
|
315
|
350
|
390
|
455
|
525
|
605
|
730
|
800
|
870
|
920
|
1000
|
1156
|
|
H2
|
110
|
125
|
145
|
165
|
175
|
210
|
250
|
285
|
320
|
355
|
380
|
415
|
475
|
|
WT
Kg
|
RF
|
27
|
31
|
38
|
43
|
45
|
85
|
110
|
142
|
172
|
201
|
245
|
315
|
467
|
BW
|
24
|
27
|
38
|
50
|
54
|
100
|
130
|
260
|
280
|
320
|
500
|
550
|
900
|
|
WF
|
11
|
12
|
15
|
18
|
28
|
37
|
56
|
71
|
116
|
146
|
193
|
209
|
433
|