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A, B, C-type withholding hose joints (2.6 ~ 45MPa)
A type and B type crimping type hose joint
A-type joints are used in connection with welded pipe joints.
Marking example: A type withholding hose connector with inner diameter of 16mm, III layer steel wire, and 1000mm hose length: Hose connector 16 Ⅲ -1000 JB / ZQ4427-86
A type and B type (B type inner diameter is up to 38)
A type
Type B
Hose
the inside diameter of
d
Nominal
The way to
DN
Working pressure MPa
Outside diameter of reinforcement layer
lo
l
D1
D
wrench
size
S1
Do
wrench
size
S
I II III
I
II
III
min
max
min
max
min
max
I
II
III
5
4
twenty one
37
45
8.9
10.1
10.6
11.7
12.4
13.5
18
12.5
15
-
-
M12 1.25
16
4
5.5
6.3
6
20
35
40
10.6
11.7
12.1
13.3
13.9
15.1
27
twenty two
17
18.7
20.5
M14 1.5①
18
6
8
8
8
17.5
30
33
21.1
13.3
13.7
14.9
15.5
16.7
27
twenty two
19
20.7
22.5
M16 1.5
twenty one
8
10
10
10
16
28
31
14.5
15.7
16.1
17.3
17.9
19.1
27
twenty two
twenty one
22.7
24.5
M18 1.5①
twenty one
10/12
11
12.5
10
14
25
27
17.5
19.1
19.1
20.7
20.9
22.5
31
25
25.2
28
29.5
M22 1.5
27
14
16
16
15
10.5
20
twenty two
20.6
22.2
22.2
23.8
twenty four
25.6
31
25
28.2
31
32.5
M27 1.5
30
16
18
19
20
9
16
18
24.6
26.2
26.2
27.8
28
29.6
35
28.5
31.2
34
35.5
M30 1.5
36
18
18
twenty two
20
8
14
16
27.8
29.4
29.4
31.0
31.4
32.8
35
28.5
34.2
37
38.5
M36 2
41
twenty two
twenty four
25
25
7
13
15
31.2
33.0
33.0
34.8
34.8
36.6
39
31.5
38.2
40
41.5
M39 2
46
28
30
31.5
32
4.4
11
12
37.7
39.7
39.5
41.5
41.3
43.3
42
34.5
46.5
48
49.5
M45 2①
55
34
36
38
40
3.5
9
-
44.1
46.1
45.9
47.9
-
-
46
37.5
52.5
54
55.5
M52 2
60
42
46
51
50
2.6
8
-
57.0
59.0
58.8
62.8
-
-
62
50
-
67
68.5
M64 2①
75
-
-
Type
Inner diameter of hose
5
6.3
8
10
12.5
16
19
twenty two
25
31.5
38
51
Hose length
tolerance
Hose connector full length L≈
A
type
buckle
Press
formula
gum
tube
Pick up
head
(JB / ZQ4427-86)
280
+20
-10
322
327
330
333
341
346
352
356
-
-
-
-
320
363
367
370
373
381
386
392
396
400
-
-
-
360
402
407
410
413
421
426
432
436
440
448
-
-
400
442
447
450
456
461
466
472
476
480
488
492
-
450
492
497
500
503
511
516
522
526
530
538
542
-
500
542
547
550
553
561
566
572
576
580
588
592
616
560
+25
-10
602
607
610
613
621
626
632
636
640
648
652
676
630
672
677
680
683
691
696
702
706
710
718
722
746
710
752
757
760
763
771
776
782
786
790
798
802
826
800
+30
-20
942
847
850
853
861
866
872
876
880
888
892
916
900
942
947
950
953
961
966
972
976
980
988
992
1016
1000
1042
1047
1050
1053
1061
1066
1072
1076
1080
1088
1092
1116
1120
1162
1167
1170
1176
1181
1186
1192
1196
1200
1208
1212
1236
1250
1292
1297
1300
1303
1311
1316
1322
1326
1330
1338
1342
1366
1400
1442
1447
1450
1453
1461
1466
1472
1476
1480
1488
1492
1516
1600
+40
-25
1642
1647
1650
1653
1661
1666
1672
1676
1680
1688
1692
1716
1800
1842
1847
1850
1853
1861
1866
1872
1876
1880
1888
1892
1916
2000
2042
2047
2050
2053
2061
2066
2072
2076
2088
2088
2092
2116
2240
2282
2287
2290
2293
2301
2306
2312
2316
2328
2328
2332
2356
2500
2542
2547
2550
2553
2566
2566
2572
2576
2588
2588
2592
2616
2800
2842
2847
2850
2853
2866
2866
2872
2876
2888
2888
2892
2916
3000
3042
3017
3050
3053
3066
3066
3072
3080
3088
3088
3092
3116
Type
Inner diameter of hose
5
6.3
8
10
12.5
16
19
twenty two
25
31.5
38
Hose length
tolerance
Hose connector full length L≈
B
type
buckle
Press
formula
gum
tube
Pick up
head
(JB / ZQ4427-86)
280
+20
-10
338
346
350
356
362
362
373
382
-
-
-
For
This watch
Outside
Hose
length
By double
Party
Scheduled
Order
Bet
Bright
320
378
386
390
396
402
402
412
422
428
-
-
360
418
426
430
436
442
442
452
462
468
480
-
400
458
466
470
476
482
482
492
520
508
520
526
450
508
516
520
526
532
532
542
552
558
570
576
500
558
566
570
576
582
582
592
602
608
620
626
560
+25
-10
618
626
630
686
642
642
652
662
668
680
686
630
688
696
700
706
712
712
722
732
738
750
756
710
768
776
780
786
792
792
802
812
818
80
836
800
+30
-20
858
866
870
876
882
882
892
902
908
920
926
900
958
966
970
976
982
982
992
1002
1008
1020
1026
1000
1058
1066
1070
1076
1082
1082
1092
1102
1108
1120
1126
1120
1178
1186
1190
1196
1202
1202
1212
1222
1228
1240
1246
1250
1308
1316
1320
1326
1332
1332
1342
1352
1358
1370
1376
1400
1458
1466
1470
1476
1482
1482
1492
1502
1508
1520
1526
1600
+40
-25
1658
1666
16470
1676
1682
1682
1692
1702
1708
1720
1726
1800
1858
1866
1870
1876
1882
1882
1892
1902
1908
1920
1926
2000
2058
2066
2070
2076
2082
2082
2092
2102
2108
2120
2126
2240
2298
2306
2310
2316
2322
2322
2332
2342
2348
2360
2366
2500
2558
2566
2570
2576
2582
2582
2592
2602
2608
2620
2626
2800
2858
2866
2870
2876
2882
2882
2892
2902
2908
2920
2926
3000
3058
3066
3070
3076
3082
3082
3092
3102
3108
3120
3126
1. In the table, ① is the missing thread in the standard of welded pipe joints, which can be prepared or negotiated by the user.
2. D1-diameter of connector jacket after crimping; Ⅰ, Ⅱ, Ⅲ-number of steel wire layers of hose
C-type withholding hose connector (JB / T1887-1977)
Mark example:
C-type withholding hose joint with inner diameter d of 16mm, Ⅲ layer steel wire and length of 1000mm of hose:
Hose connector 16Ⅲ-1000 JB / T1887-1977.
Hose
the inside diameter of
d
Nominal
The way to
DN
Working pressure
MPa
D2
d1
D
lo
l1
l2
l3
S1
D1
I
II
III
I
II
III
tolerance
I
II
III
4
4
20
-
-
10
-
-
0.6
M12 1.25
15
-
-
18
12.5
twenty one
8
14
16.2
6
6
20
25
40
12
13.5
15
M14 1.5
17
18.7
20.5
27
twenty two
23.5
8
17
19.6
8
8
16
25
32
14
15.5
17
M16 1.5
19
20.7
22.5
27
twenty two
23.5
8
19
21.9
10
10
16
25
25
16
17.5
19
M18 1.5
12
22.7
24.5
27
twenty two
26.5
8
twenty two
25.4
13
10
12.5
20
25
20
21.5
twenty three
0.8
M22 1.5
25.2
28
29.5
31
25
30.5
10
27
31.2
16
15
10
16
20
twenty three
24.5
26
M27 1.5
28.2
31
32.5
31
25
33
10
32
36.9
19
20
10
16
20
26
27.5
29
(M30 1.5)
31.2
34
35.5
35
28.5
36
11
36
41.6
twenty two
20
10
12.5
16
29
30.5
32
M36 2
34.2
37
38.5
35
28.5
38
13
41
47.3
25
25
8
10
12.5
32
33.5
35
M39 2
38.2
40
41.5
39
31.5
40
13
46
53.1
32
32
6.3
10
10
39.5
41
42.5
M45 2
46.5
48
49.5
42
34.5
44
15
55
63.5
1. The C-type crimping type hose joint is connected with the flared pipe joint.
2. The dimensions in brackets d1 in the appendix table are the missing threads in the flare type pipe joint standard and are prepared by the user. Size L = l + 2l2
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Address: Chengdong Industrial Park, Qidong City Phone: 0513-83660308, 83905568 Fax: 0513-83660318 Email: djrh888@163.com