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productn Name:Elastic Metal-to-Metal Butterfly Valve
products Specs: API butterfly valve
Issue time:2008-4-26 9:08:42
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Elastic Metal-to-metal Butterfly Valve

Features:
Usage & Features:
The metal-to-metal Butterfly valve realize veritable zero leakage by installing an elastic seal ring of stainless steel on the boy:
1.Adjustable seal,lifetime of 100,000 times without leakage with no no leakage under high temperature and cold condition.
2.Three-entric structure,separated if open and sealed if closed.
4.lt solves the wearing problem of seal faces to avoed easy leakage by axial positioner,and the actuator can be installed at any direction.
5.lt is applicable to the cleaning pipelines of foodsuff,pharmacy,petrochemical industry lndustrial Environmental protection,Water Solution,high building and water treatment,supplying and drain pipelines as open/closed function or adjust the flow.
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Elastic Metal-to-metal Butterfly Valve

Property Specification
Usage & Features
li is applicable to the cleaning pipelines of foodstuff,pharmacy,petrochemical industry,lndustrial Environmental protection,Water Solution,high building and water treatment,supplying and drain pipelines as open/closed function or adjust the flow.

·Applicable Standard
·Design standard: GB/T2238-1989
·Flange dimension:
  GB/T9113.11-2000: GB/T91151-2000:
  GB/T911322000 GB/T-91152-2000
·Face-to-face: GB/T12221.1989
·Pressure testP:GB/T13927-1992:JB/T9092.1999

·Main Technical parameter

Nominal dameter

DN(mm)

50-150

Njominal pressure

PN(MPa)

1.O

1.6

2.5

Ps(MPa)
Test pressure

Lntensity test

1.5

2.4

3.75

Seal test

1.1

1.76

2.75

Air Test

0.6

0.6

0.6

Applicable Medium

Water,steam,oil products,corrosive acid,etc.

Applicable Temperature

-40℃-600℃

·Material for maim parts

Parts name

Material

Body

Cast iron,Cast steel,Stainless steel,Cr-Mo steel,alloy steel

Disc

Cat steel,alloy steel(Cr plated),stainless steel,Cr-mo steel

Seal ring

Stainless steel,polylactone,anti-wearing material

Stem

2Crl3、1Crl3Stainless steel,Cr-Mo steel

Packing

Flexible graphite

·Note:D-Resilient sealing structure 

·C.P.R.V Series wafer Resilient Metal-to-Metal,PTFE Lined Butterfly Valve

Nominal
diameter

Face-to-face(Standard)

ExternalDimension
(Reference)

Flange dimension and dolted bore dimension(Standard)

Reference Weight Dt343H

1.OMPa

1.6MPa

2.5MPa

mm

inch

L

L2

H

H1

D1

Z.d

a

D1

Z.d

a

D1

Z.d

a

(kg)

40

11/2

43

265

300

235

110

4—18

90°

1 10

4—18

90。

110

4—18

90°

7

50

2

43

265

330

250

125

4-18

90°

125

4-18

90。

125

4-18

90°

8

65

21/2

46

265

362

267

145

4—18

90°

145

4—18

90。

145

4—18

90°

9

80

3

49

320

375

275

160

8-18

45°

160

8-18

45。

160

8-18

45°

11

100

4

56

320

410

295

180

8—18

45°

180

8—18

45。

190

8—22

45°

13

125

5

64

340

425

305

210

8—18

45°

210

8-18

45。

220

8-26

45°

22

150

6

70

390

465

320

240

8—23

45°

240

8—23

45。

250

8—26

45°

24

·C.P.R.V Flanged wafer Resilient Metal-to-Metal,PTFE Lined Butterfly Valve

Nominal
diameter

Face-to-face(Standard)

ExternalDimension
(Reference)

Flange dimension and dolted bore dimension(Standard)

Reference Weight Dt343H

1.OMPa

1.6MPa

2.5MPa

mm

inch

L

L2

H

H1

D

D1

D2

n—d

D

D1

D2

n—d

D

D1

D2

n—d

(kg)

40

11/2

106

265

300

235

150

110

85

4.18

150

110

85

4—18

150

110

85

4—18

12

50

2

108

265

325

240

165

125

99

4—18

165

125

99

4—18

165

125

99

4—18

14

65

21/2

112

265

340

250

185

145

118

4-18

185

145

118

4-18

185

145

118

4-18

17

80

3

114

320

355

255

200

160

132

8—18

200

160

132

8—18

200

160

132

8—18

20

100

4

127

320

400

275

220

180

156

8—18

220

180

156

8—18

235

190

156

8—23

22

125

5

140

340

435

300

250

210

184

8-18

250

210

184

8-18

270

220

184

8-25

37

150

6

140

390

455

310

285

240

211

8—23

285

240

211

8—23

300

250

211

8—25

43

·Note:D-Resilient sealing structure 

·C.P.R.V Wafer Resilent Metal-to Metal Butterfly Valve

Nominal
diameter
Face-to-face
(Standard)
External Dimension
(Refernce)
Connectin Dimension(standard)
Referenoe
Weigh
Dt343H
H
Dt373H
Dt673H
Dt973H
PN1.6MPa
PN2.5MPa
毫米
英寸
L
H1
A1
B1
H2
A2
B2
H3
A3
B3
D1
D2
Z-d
D1
D2
Z-d
50
2
43
112
350
180
200
625
245
72
530
250
255
110
90
4-14
125
100
4-18
11
65
21/2
46
115
370
180
200
625
245
72
530
250
255
130
110
4-14
145
118
4-18
12
80
3
49
120
380
180
200
645
245
72
565
250
255
150
125
4-18
160
134
8-18
14
100
4
56
138
420
180
200
675
355
92
600
250
255
170
145
4-18
180
155
8-18
16
125
5
64
164
460
180
200
715
355
92
640
250
225
200
175
8-18
210
185
8-18
26
150
6
70
175
555
270
280
800
355
92
705
300
315
225
200
8-18
240
210
8-22
28
200
8
71
208
605
270
280
850
250
170
775
300
315
280
255
8-18
295
265
8-22
44
250
10
76
243
680
270
280
925
250
170
945
300
315
335
310
12-18
350
320
12-22
68
300
12
83
283
800
380
420
1035
450
220
1070
300
315
395
362
12-22
400
368
12-22
85
350
14
92
310
835
380
420
1070
450
220
1140
300
315
445
412
12-22
460
428
16-22
121
400
16
102
340
915
450
470
1190
450
220
1210
300
315
495
462
16-22
515
480
16-26
140
450
18
114
380
960
480
490
1250
650
280
1335
575
714
550
518
16-22
565
540
20-26
190
500
20
127
410
1020
480
490
190
650
280
1415
575
714
600
568
16-22
620
595
20-26
260
600
24
154
470
1225
480
490
1455
850
380
1605
656
810
705
670
20-26
725
690
20-30
380
700
28
165
550
1355
640
660
1585
850
380
1844
656
810
810
775
24-26
840
790
24-30
450
800
32
190
640
1470
640
660
1700
1250
380
2040
656
810
920
880
24-30
950
895
24-33
650
900
36
203
710
1545
750
860
1965
1250
380
2255
785
863
1020
980
24-30
1050
1000
28-33
830
1000
40
216
770
1795
850
900
2015
1250
380
2380
785
863
1120
1080
28-30
1160
1115
28-36
1050
1200
48
254
890
1965
850
900
2250
1250
380
2640
785
863
1340
1295
32-33
1380
1325
32-39
1400

·5C.P.R.V Wafer Resilent Metal-to Metal Butterfly Valve

Nominal
diameter
Face-to-face
(Standard)
External Dimension
(Refernce)
Connectin Dimension(standard)
Referenoe
Weigh
Dt343H
H
Dt373H
Dt673H
Dt973H
PN1.6MPa
PN2.5MPa
毫米
英寸
L
H1
A1
B1
H2
A2
B2
H3
A3
B3
D1
D2
Z-d
D1
D2
Z-d
50
2
43
112
350
180
200
625
245
72
530
250
255
125
100
4-18
125
100
4-18
11
65
21/2
46
115
370
180
200
625
245
72
530
250
255
145
118
4-18
145
120
8-18
12
80
3
49
120
380
180
200
645
245
72
565
250
255
160
134
8-18
160
135
8-18
14
100
4
56
138
420
180
200
675
355
92
600
250
255
180
155
8-18
190
160
8-22
16
125
5
64
164
460
180
200
715
355
92
640
250
225
210
185
8-18
220
188
8-26
26
150
6
70
175
555
270
280
800
355
92
705
300
315
240
210
8-22
250
218
8-26
28
200
8
71
208
605
270
280
850
250
170
775
300
315
295
270
12-22
310
278
12-26
44
250
10
76
243
680
270
280
925
250
170
945
300
315
355
325
12-26
370
332
12-30
68
300
12
83
283
825
380
420
1035
450
220
1070
300
315
410
375
12-26
430
390
16-30
85
350
14
92
310
900
380
420
1070
450
220
1140
300
315
470
430
16-26
490
448
16-33
121
400
16
102
340
980
450
470
1190
450
220
1210
300
315
525
480
16-30
550
505
16-36
140
450
18
114
380
1030
480
490
1250
650
280
1335
575
714
585
540
20-30
600
555
20-36
190
500
20
127
410
1105
480
490
190
650
280
1415
575
714
650
595
20-33
660
610
20-36
260
600
24
154
470
1310
480
490
1455
850
380
1605
656
810
770
690
20-36
770
718
20-39
380
700
28
165
550
1435
640
660
1585
850
380
1844
656
810
840
790
24-36
875
815
24-42
450
800
32
190
640
1605
640
660
1700
1250
380
2040
656
810
950
895
24-39
990
930
24-48
650
900
36
203
710
1745
750
860
1965
1250
380
2255
785
863
1050
1000
28-39
1090
1025
28-48
830
1000
40
216
770
1885
850
900
2015
1250
380
2380
785
863
1170
1115
28-42
1210
1140
28-56
1050
1200
48
254
890
2105
850
900
2250
1250
380
2640
785
863
1390
1325
32-48
1420
1350
32-56
1400

Customer′s attention:Extend stem according to the customer′requirements,listed in H1、H2、H3(Long stem)and submit the special material before order confirmation.

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