Flange Type Triple Eccentric Multi-layer Metal Seal Butterfly Valve D343H

Item Code:D343H Features:
  • Description

Characteristics:

With metal and graphite double-layered seal, the disc and seal perform excellent sealing property in any circumstance of different temperature and pressure. The triple eccentric structure provides almost no friction between seat and disc, so zero leakage can be granted.The vacuum designation makes the valve can be used widely in petro, chemical, metallurgical and machinery industries. Also the valve is capable in system with flammable and explosive medium because of its antistatic design.

Main Performance Parameter:

Nominal Diameter    ( inch ) Nominal Pressure (Lb) Suitable Medium Suitable Temperature
3''~120'' 150 water, steam, oil, acid, alkali, salt etc -29℃~425℃
300(≤48'')

 

Material of Main Parts:

Name

Material 

Body

WCB、 304、 316、 CF8M

Disc

WCB、 304、 316、316SS、 CF8M

Stem

420、316SS、316L、304

Seal Ring

304、316、Flexible graphite

Packing

Flexible graphite、PTFE

Drivng Type

Manual、Worm wheel actuator、Electric、Pneumatic、Hydraulic

Dimension Table of Installation:

D343H-2.5/6/10C.R.V
Nominal Diameter Face to Face Dimension Outline Dimension Connection Dimension 
mm inch mm inch short long  H1 A1 B1 D D1 Z-d D D1 Z-d D D1
50 2 108 150 112 350 180 200 140 110 4-14 140 110 4-14 165 125 4-18
65 2-1/2 112 170 115 370 180 200 160 130 4-14 160 130 4-14 185 145 4-18
80 3 114 180 120 380 180 200 190 150 4-18 190 150 4-18 200 160 8-18
100 4 127 190 138 420 180 200 210 170 4-18 210 170 4-18 220 180 8-18
125 5 140 200 164 460 180 200 240 200 8-18 240 200 8-18 250 210 8-18
150 6 140 210 175 555 270 280 265 225 8-18 265 225 8-18 285 240 8-22
200 8 152 230 200 760 400 425 320 280 8-18 320 280 8-18 340 295 8-22
250 10 165 250 243 830 400 425 375 335 12-18 375 335 12-18 395 350 12-22
300 12 178 270 250 895 450 560 440 395 12-22 440 395 12-22 445 400 12-22
350 14 190 290 280 950 450 560 490 445 12-22 490 445 12-22 505 460 16-22
400 16 216 310 305 1190 535 580 450 495 16-22 540 495 16-22 565 515 16-26
450 18 222 330 350 1255 535 580 595 550 16-22 595 550 16-22 615 565 20-26
500 20 229 350 380 1305 535 580 645 600 16-22 645 600 16-22 670 620 20-26
600 24 267 390 445 1340 570 660 755 705 20-26 755 705 20-26 780 725 20-30
700 28 292 430 480 1520 750 550 860 810 24-26 860 810 24-26 895 840 24-30
800 32 318 470 530 1710 750 550 975 920 24-30 975 920 24-30 1015 950 24-33
900 36 330 510 580 1810 750 550 1075 1020 24-30 1075 1020 24-30 1115 1050 28-33
1000 40 410 550 650 1960 900 750 1175 1120 28-30 1175 1120 28-30 1230 1160 28-36
1200 48 470 630 760 2250 1000 925 1375 1320 32-30 1405 1340 32-33 1455 1380 32-39
1400 56 530 710 850 2435 1000 925 1575 1520 36-30 1630 1560 36-36 1675 1590 36-42
1600 64 600 790 1030 2780 1000 925 1785 1730 40-30 1830 1760 40-36 1915 1820 40-48
1800 72 670 870 1230 3020 1100 980 1985 1930 44-30 2045 1970 44-39 2115 2020 44-48
2000 80 760 950 1350 3270 1100 980 2185 2130 48-30 2265 2180 48-42 2325 2230 48-48

 

D343H-16/25C.R.V
Nominal Diameter
Face to Face Dimension
Outline Dimension
Connection Dimension
mm
inch 
mm
inch 
short
long 
H1
A1
B1
D
D1
Z-d
D
D1
50
2
108
150
112
350
180
200
165
125
4-18
165
125
4-18
65
2-1/2
112
170
115
370
180
200
185
145
4-18
185
145
8-18
80
3
114
180
120
380
180
200
200
160
8-18
200
160
8-18
100
4
127
190
138
420
180
200
220
180
8-18
235
190
8-22
125
5
140
200
164
460
180
200
250
210
8-18
270
220
8-26
150
6
140
210
175
555
270
280
285
240
8-22
300
250
8-26
200
8
152
230
200
760
400
425
340
295
12-22
360
310
12-26
250
10
165
250
243
830
400
425
405
355
12-26
425
370
12-30
300
12
178
270
250
895
450
560
460
410
12-26
485
430
16-30
350
14
190
290
280
950
450
560
520
470
16-26
555
490
16-33
400
16
216
310
305
1190
535
580
580
525
16-30
620
550
16-36
450
18
222
330
350
1255
535
580
640
585
20-30
670
600
20-36
500
20
229
350
380
1305
535
580
715
650
20-33
730
660
20-36
600
24
267
390
445
1340
570
660
840
770
20-36
845
770
20-39
700
28
292
430
480
1520
750
550
910
840
24-36
960
875
24-42
800
32
318
470
530
1710
750
550
1025
950
24-39
1085
990
24-48
900
36
330
510
580
1810
750
550
1125
1050
28-39
1185
1090
28-48
1000
40
410
550
650
1960
900
750
1255
1170
28-42
1320
1210
28-56
1200
48
470
630
760
2250
1000
925
1485
1390
32-48
1530
1420
32-56
1400
56
530
710
850
2435
1000
925
1685
1590
36-48
1755
1640
36-62
1600
64
600
790
1030
2780
1000
925
1930
1820
40-56
1975
18460
40-62
1800
72
670
870
1230
3020
1100
980
2130
2020
44-56
2195
2070
44-70
2000
80
760
950
1350
3270
1100
980
2345
2230
48-62
2425
2300
48-70

 

D343H-40C.P.R.V
Nominal Diameter
Face to Face Dimension
Outline Dimension
Connection Dimension 
H
D343H
PN4.0MPa
mm
inch 
L
H1
A1
B1
D
D1
Z-d
50
2
108
112
350
180
200
165
125
4-18
65
2-1/2
112
115
370
270
280
185
145
8-18
80
3
114
120
380
270
280
200
160
8-18
100
4
127
138
420
270
280
235
190
8-22
125
5
140
164
460
380
420
270
220
8-26
150
6
140
175
555
380
420
300
250
8-26
200
8
152
200
760
400
425
375
320
12-30
250
10
165
243
830
400
425
450
385
12-33
300
12
178
250
895
450
560
515
450
16-33
350
14
190
280
950
450
560
580
510
16-36
400
16
216
305
1190
535
580
660
585
16-39
450
18
222
350
1255
535
580
685
610
20-39
500
20
229
380
1305
535
580
755
670
20-42

 

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