Products->Butterfly Valve->Gas Drive Hard Seal Butterfly Valve
Products:Gas Drive Hard Seal Butterfly Valve   [Order]
About this product:
Main Technical Details :
DN(mm)
50~2000
PN(MPa)
0.6
1.0
1.6
2.5
Sealing Test (MPa)
0.66
1.1
1.76
2.75
Intensity Test (MPa)
0.9
1.5
2.4
3.75
Suitable Temperature
CS:-29℃~425℃ SS:-40℃~650℃
Suitable Medium
Water,Air,Natural Air,Oil and Weak Corrosive liquid
Leak Rate
GB/T13927-92
Drive Way
Worm wheel drive,Electromotion,Gas drive,Liquid drive.

Materials For Main Parts:

Parts Name
Material
Body
WCB、CS、SS、QT450-10
Disc
WCB、CS、SS、QT450-10
Axis
2Cr13 SS、Alloy Stee
Sealing Ring
SS Ring
Stuffing
Felxible graphite

Standard

Manufacture Standard
JB/T 8527-97
Flange Standard
GB9113-2000
Structure Length
GB12221-89
Test Standard
GB/T 13927-92

D643H-10/16/25/Main Dimensions                                                                                                                                                                        (unit:mm)

Nominal Diameter (DN)

Main dimensions
Flange and Bolt Specification
1.0MPa
1.6MPa
2.5MPa
L
H1
H
D
D1
n-Фd
D
D1
n-Фd
D
D1
n-Фd
50
108
350
112
165
125
4-18
165
125
4-18
165
125
4-18
65
112
370
115
185
145
4-18
185
145
4-18
185
145
8-18
80
114
380
120
200
160
4-18
200
160
8-18
200
160
8-18
100
127
420
138
220
180
8-18
220
180
8-18
235
190
8-22
125
140
460
164
250
210
8-18
250
210
8-18
270
220
8-26
150
140
555
175
285
240
8-22
285
240
8-22
300
250
8-26
200
152
760
200
340
295
8-22
340
295
12-22
360
310
12-26
250
165
830
243
395
350
12-22
405
355
12-26
425
370
12-30
300
178
895
250
445
400
12-22
460
410
12-26
485
430
16-30
350
190
950
280
505
460
16-22
520
470
12-26
555
490
16-33
400
216
1190
305
565
515
16-26
580
525
16-26
620
550
16-36
450
222
1255
350
615
565
20-26
640
585
16-30
670
600
20-36
500
229
1305
380
670
620
20-26
715
650
20-30
730
660
20-36
600
267
1340
445
780
725
20-30
840
770
20-33
845
770
20-39
700
292
1520
480
895
840
24-30
910
840
24-36
960
875
24-42
800
318
1710
530
1015
950
24-33
1025
950
24-39
1085
990
24-48
900
330
1810
580
1115
1050
28-33
1125
1050
28-39
1185
1090
28-48
1000
410
1960
650
1230
1160
28-36
1255
1170
28-42
1320
1210
28-56
1200
470
2250
760
1455
1380
32-39
1485
1390
32-48
1530
1420
32-56

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