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JLB-valve
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Wafer type hard sealing butterfly valve
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D3/6/73 Pinch metal hard seal butterfly valve
D3/6/73 Pinch metal hard seal butterfly valve
Category
Regular
JLB Valve
Wafer type hard sealing butterfly valve
Order Hotline
86 021 56900777
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Product Overview
Main external dimensions and connection dimensions
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select
Inquiry
DN(mm)
Structure length (standard value)(mm)
Dimension(ref value)(mm)
Connection size (standard value)(mm)
mm
in
L
H
D373H
D673H
D973H
1.0MPa
1.6MPa
H1
A1
B1
H2
A2
B2
H3
A3
B3
D1
D2
Z-φd
D1
D2
Z-φd
50
2
43
112
350
180
200
625
245
72
530
250
255
125
99
4-18
125
100
4-18
65
212
46
115
370
180
200
625
245
72
530
250
255
145
118
4-18
145
120
4-18
80
3
49
120
380
180
200
645
245
72
565
250
255
160
132
8-18
160
135
8-18
100
4
56
138
420
180
200
675
355
92
600
250
255
180
150
8-18
180
155
8-18
125
5
64
164
460
180
200
715
355
92
640
250
255
210
184
8-18
210
185
8-18
150
6
70
175
555
270
280
800
355
92
705
300
315
240
210
8-22
240
210
8-22
200
8
71
215
780
400
425
850
250
170
775
300
315
295
265
8-22
295
265
12-22
250
10
76
243
840
400
425
925
250
170
945
300
315
350
320
12-22
355
320
12-26
300
12
83
285
995
450
560
1035
450
220
1070
300
315
400
368
12-22
410
375
12-26
350
14
92
320
1050
450
560
1070
450
220
1140
300
315
460
428
16-22
470
435
16-26
400
16
102
350
1220
535
580
1190
450
220
1210
300
315
515
482
16-26
525
485
16-30
450
18
114
350
1280
535
580
1250
650
280
1335
575
714
565
532
20-26
585
545
20-30
500
20
127
380
1365
535
580
1290
650
280
1415
575
714
620
585
0- 26
650
608
20-33
600
24
154
435
1460
570
660
1455
850
380
1605
656
810
725
685
20-30
770
718
20-36
700
28
165
480
1520
750
550
1585
850
380
1844
656
810
840
800
24-30
840
788
24-36
800
32
190
530
1710
750
550
1700
1250
380
2040
656
810
950
905
24-33
950
898
24-39
900
36
203
595
1810
750
550
1965
1250
380
2255
785
863
1050
1005
28-33
1050
998
28-39
1000
40
216
650
1900
900
750
2015
1250
380
2380
785
863
1160
1115
28-36
1170
1110
28-42
1200
48
254
775
2280
1000
925
2250
1250
380
2640
785
863
1380
1325
32-39
1390
1325
32-48
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