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Manual Wafer Hard Seal Butterfly Valve

Butterfly Valves

Manual Wafer Hard Seal Butterfly Valve

Manual Wafer Hard Seal Butterfly Valve for industrial valve automation and pipeline control applications.

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Product Information

Performance Specification

Design and Manufacture
Face-to-Face Dimension
Pressure-Temperature Rating
Pipe Flanges
Test and Inspection
GB12238
GB12221
JB/T74, GB9131, HGJ67
JB/T74-90 (JB74-1990) GB9112-9131, HGJ44-1976
GB/T13927

Main Part Materials

Model
D73H-2.5C
D73W-2.5P
D73W-2.5Pa
D73W-2.5Pa
D73W-2.5R
D73W-2.5Ra
D73W-2.5Ra
Body
WCB
ZG1Cr18Ni9Ti
CF8
CF3
ZG1Cr18Ni12Mo2Ti
CF8M
CF3M
Pressure Ring
WCB
ZG1Cr18Ni9Ti
CF8(304)
CF3(304L)
ZG1Cr18Ni12Mo2Ti
CF8M(316)
CF3M(316L)
Disc
Carbon steel surface hardfacing, Cr13
ZG1Cr18Ni9Ti
CF8(304)
CF3(304L)
ZG1Cr18Ni12Mo2Ti
CF8M(316)
CF3M(316L)
Stem
2Cr13
1Cr18Ni9Ti
0Cr19Ni9
00Cr19Ni11
1Cr18Ni12Mo2Ti
0Cr17Ni12Mo2
00Cr17Ni14Mo2
Seat
1Cr18Ni9Ti
0Cr19Ni9
00Cr19Ni9
00Cr19Ni11
0Cr17Ni12Mo2
00Cr17Ni14Mo2
00Cr17Ni14Mo2
Applicable Medium
Water, steam, oil products
Nitric acid medium
Nitric acid medium
Strong oxidizing medium
Acetic acid medium
Acetic acid medium
Urea medium

Dimensions and Connection

Nominal Pressure PN (MPa)
Nominal Diameter DN (mm)
Dimensions (mm)
L
D1
D0
H
H0
L1
L2
Z-Φd
1.0
50
43
125
157
82
405
194
186
4~18
65
46
145
157
95
420
194
186
4~18
80
49
160
157
108
445
194
186
4~18
100
56
180
157
125
485
194
186
8~18
125
64
210
205
138
560
268
252
8~18
150
70
240
205
198
632
268
252
8~23
200
71
295
235
236
754
306
300
8~23
250
76
350
235
276
784
306
300
12~23
300
83
400
296
308
924
416
400
12~23
350
92
460
296
340
990
416
400
16~23
400
102
515
296
374
1058
416
400
16~25
450
114
565
400
384
1210
475
420
20~25
500
127
620
400
448
1295
475
420
20~25
600
154
725
400
490
1468
475
420
20~30
700
165
840
440
542
1565
592
565
24~30
800
190
950
440
607
1692
592
565
24~34
900
203
1050
440
665
1816
592
565
28~34
1000
216
1160
440
731
1975
592
565
28~34
1200
254
1380
500
842
2282
640
526
32~41
1400
294
1590
500
964
2532
640
526
36~48

Dimensions and Connection

Nominal Pressure PN (MPa)
Nominal Diameter DN (mm)
Dimensions (mm)
L
D1
D0
H
H0
L1
L2
Z-Φd
1.6
50
43
125
157
82
405
194
186
4-18
65
46
145
157
95
420
194
186
4-18
80
49
160
157
108
445
194
186
8-18
100
56
180
157
125
485
194
186
8-18
125
64
210
205
138
560
268
252
8-18
150
70
240
205
198
632
268
252
8-23
200
71
295
235
236
754
306
300
12-23
250
76
355
235
276
784
306
300
12-25
300
83
410
296
308
924
416
400
12-25
350
92
470
296
340
990
416
400
16-25
400
102
525
296
374
1058
416
400
16-30
450
114
585
400
384
1210
475
420
20-30
500
127
650
400
448
1295
475
420
20-34
600
154
770
400
490
1468
475
420
20-41
700
165
840
440
542
1565
592
565
24-41
800
190
950
440
607
1692
592
565
24-41
900
203
1050
440
665
1816
592
565
28-41
1000
216
1170
440
731
1974
592
565
28-48
1200
254
1390
500
842
2282
640
526
32-54
1400
294
1590
500
964
2532
640
526
36-54
2.5
50
43
125
157
82
405
194
186
4-18
65
46
145
157
95
420
194
186
8-18
80
49
160
157
108
445
194
186
8-18
100
56
190
157
128
485
194
186
8-23
125
64
220
205
138
560
268
252
8-25
150
70
250
205
198
632
268
252
8-25
200
71
310
235
236
754
306
300
12-25
250
76
370
235
276
784
306
300
12-30
300
83
430
296
308
924
416
400
16-30
350
92
490
296
340
990
416
400
16-34
400
102
550
296
372
1058
416
400
16-34
450
114
600
400
384
1210
475
420
20-34
500
127
660
400
448
1295
475
420
20-41
600
154
770
400
490
1468
475
420
20-41
700
165
875
440
542
1565
592
565
24-48
800
190
990
440
607
1692
592
565
24-48
900
203
1090
440
665
1816
592
565
28-54
1000
216
1210
440
731
1974
592
565
28-58
1200
254
1420
500
842
2282
640
526
32-58
1400
294
1640
500
964
2532
640
526
36-65

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