| 一、概述 |
適用于以油為介質(zhì)的管路系統(tǒng)用焊接式管接頭。公稱壓力為31.5MPa，工作溫度為-25～+80℃。
焊接式端直通管接頭、焊接式端直通長管接頭、焊接式直通管接頭、焊接式直角管接頭，焊接式四通管接頭，焊接式隔壁直通管接頭、焊接式隔壁直角管接頭、焊接式分管管接頭、焊接式鉸接管接頭的型式和尺寸按圖1～圖10 和表1的規(guī)定。 |
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| 二、結(jié)構(gòu)形式 |
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|
|
|
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| 三、外形尺寸 |
|
管子直徑Do
|
公稱通徑DN
|
d
|
d1
|
d2
|
d3
|
d4(H12/h12)
|
d5
|
D+0.6/+0.44
|
l
|
l1
|
l2
|
|
6
|
3
|
M10X1
|
7.5
|
10
|
6.5
|
7
|
|
12
|
8
|
14
|
32
|
|
10
|
6
|
M10X1
|
11
|
10
|
10.5
|
11
|
22
|
16
|
8
|
16.5
|
35
|
|
10
|
6
|
M14X1.5
|
11
|
14
|
|
|
|
|
12
|
16.5
|
35
|
|
14
|
8
|
M14X1.5
|
16
|
14
|
14.5
|
16
|
28
|
22
|
12
|
19
|
43
|
|
14
|
8
|
M18X1.5
|
16
|
19
|
|
|
|
|
12
|
21
|
43
|
|
18
|
10
|
M18X1.5
|
19
|
19
|
18.5
|
19
|
36
|
27
|
12
|
21
|
45
|
|
18
|
10
|
M22X1.5
|
19
|
24
|
|
|
|
|
14
|
21
|
45
|
|
22
|
15
|
M22X1.5
|
22
|
24
|
22.5
|
22
|
46
|
30
|
14
|
21
|
48
|
|
22
|
15
|
M27X2
|
22
|
28
|
|
|
|
|
16
|
21
|
48
|
|
28
|
20
|
M27X2
|
28
|
28
|
28.5
|
28
|
56
|
36
|
16
|
24
|
54
|
|
28
|
20
|
M33X2
|
28
|
34
|
|
|
|
|
16
|
24
|
54
|
|
34
|
25
|
M33X2
|
34
|
34
|
34.5
|
34
|
64
|
42
|
16
|
26
|
65
|
|
34
|
25
|
M42X2
|
34
|
44
|
|
|
|
|
18
|
26
|
65
|
|
42
|
32
|
M42X2
|
42
|
44
|
42.5
|
42
|
78
|
52
|
18
|
28
|
72
|
|
42
|
32
|
M48X2
|
42
|
50
|
|
|
|
|
20
|
28
|
72
|
|
50
|
40
|
M48X2
|
50
|
50
|
50.5
|
50
|
90
|
60
|
20
|
30
|
78
|
|
| |
|
管子直徑Do
|
公稱通徑DN
|
l3
|
l4
|
L
|
L1
|
L2
|
L3
|
L4
|
L5
|
L6
|
L7
|
L8
|
L9
|
L10
|
L11
|
|
6
|
3
|
3
|
|
22
|
54
|
30
|
24
|
12
|
22
|
41
|
26
|
20
|
|
|
|
|
10
|
6
|
4
|
8
|
24.5
|
59.5
|
32.5
|
28.5
|
15
|
25.5
|
44.5
|
30.5
|
21.5
|
23
|
8.5
|
15
|
|
10
|
6
|
|
|
25.5
|
60.5
|
|
|
|
|
|
|
|
|
|
|
|
14
|
8
|
5
|
10
|
29
|
72
|
41
|
35
|
20
|
29
|
49
|
38
|
27
|
29
|
11
|
20
|
|
14
|
8
|
|
|
29
|
72
|
|
|
|
|
|
|
|
|
|
|
|
18
|
10
|
7
|
12
|
33
|
78
|
45
|
39
|
22
|
33
|
51
|
42
|
29
|
34
|
13
|
25
|
|
18
|
10
|
|
|
33
|
78
|
|
|
|
|
|
|
|
|
|
|
|
22
|
15
|
8
|
14
|
34
|
82
|
48
|
43
|
26
|
35
|
55
|
46
|
30
|
43
|
17
|
30
|
|
22
|
15
|
|
|
35
|
83
|
|
|
|
|
|
|
|
|
|
|
|
28
|
20
|
9
|
15
|
37
|
91
|
53
|
48
|
30
|
39
|
57
|
51
|
32
|
50
|
20
|
35
|
|
28
|
20
|
|
|
39
|
93
|
|
|
|
|
|
|
|
|
|
|
|
34
|
25
|
10
|
16
|
46
|
111
|
62
|
57
|
36
|
46
|
62
|
61
|
37
|
66
|
27
|
24
|
|
34
|
25
|
|
|
48
|
113
|
|
|
|
|
|
|
|
|
|
|
|
42
|
32
|
12
|
17
|
50
|
122
|
68
|
64
|
40
|
48
|
68
|
68
|
39
|
82
|
34
|
30
|
|
42
|
32
|
|
|
52
|
124
|
|
|
|
|
|
|
|
|
|
|
|
50
|
40
|
15
|
19
|
56
|
134
|
76
|
74
|
48
|
54
|
74
|
78
|
43
|
94
|
38
|
33
|
|
| |
|
管子外徑Do
|
公稱通徑DN
|
S
|
S1
|
S2
|
S3
|
S4
|
S5
|
S6
|
S7
|
O型圈JB/ZQ4224
|
墊圈
|
|
6
|
3
|
17
|
14
|
14
|
14
|
10
|
17
|
17
|
|
8X1.9
|
10
|
|
10
|
6
|
17
|
19
|
17
|
17
|
14
|
22
|
22
|
17
|
11X1.9
|
10
|
|
10
|
6
|
19
|
19
|
19
|
|
|
|
|
|
11X1.9
|
14
|
|
14
|
8
|
22
|
27
|
22
|
22
|
19
|
30
|
27
|
19
|
16X1.9
|
14
|
|
14
|
8
|
24
|
27
|
24
|
|
|
|
|
|
16X1.9
|
18
|
|
18
|
10
|
27
|
32
|
27
|
27
|
24
|
36
|
32
|
24
|
20X2.4
|
18
|
|
18
|
10
|
30
|
32
|
30
|
|
|
|
|
|
20X2.4
|
22
|
|
22
|
15
|
30
|
36
|
30
|
30
|
27
|
41
|
36
|
30
|
24X2.4
|
22
|
|
22
|
15
|
36
|
36
|
|
|
|
|
|
|
24X2.4
|
27
|
|
28
|
20
|
36
|
41
|
36
|
36
|
32
|
50
|
41
|
36
|
30X3.1
|
27
|
|
28
|
20
|
41
|
41
|
41
|
|
|
|
|
|
30X3.1
|
33
|
|
34
|
25
|
46
|
50
|
46
|
46
|
41
|
55
|
50
|
41
|
35X3.1
|
33
|
|
34
|
25
|
55
|
50
|
55
|
|
|
|
|
|
35X3.1
|
42
|
|
42
|
32
|
55
|
60
|
55
|
55
|
50
|
65
|
60
|
55
|
40X3.1
|
42
|
|
42
|
32
|
60
|
60
|
60
|
|
|
|
|
|
40X3.1
|
48
|
|
50
|
40
|
65
|
70
|
65
|
65
|
60
|
70
|
70
|
60
|
45X3.1
|
48
|
|
| |
|
管子外徑Do
|
公稱通徑DN
|
重量kg
|
|
JB966-77
|
JB1883-77
|
JB970-77
|
JB971-77
|
JB972-77
|
JB973-77
|
JB974-77
|
JB975-77
|
JB977-77
|
JN978-77
|
|
6
|
3
|
0.039
|
0.052
|
0.028
|
0.032
|
0.064
|
0.087
|
0.077
|
0.096
|
0.021
|
|
|
10
|
6
|
0.060
|
0.082
|
0.055
|
0.068
|
0.145
|
0.190
|
0.158
|
0.183
|
0.046
|
0.059
|
|
10
|
6
|
0.071
|
0.103
|
|
|
|
|
|
|
|
|
|
14
|
8
|
0.143
|
0.210
|
0.150
|
0.160
|
0.370
|
0.5
|
0.344
|
0.366
|
0.12
|
0.103
|
|
14
|
8
|
0.155
|
0.235
|
|
|
|
|
|
|
|
|
|
18
|
10
|
0.199
|
0.325
|
0.190
|
0.250
|
0.510
|
0.680
|
0.505
|
0.53
|
0.160
|
0.190
|
|
18
|
10
|
0.236
|
0.356
|
|
|
|
|
|
|
|
|
|
22
|
15
|
0.270
|
0.436
|
0.240
|
0.310
|
0.650
|
0.880
|
0.6
|
0.67
|
0.210
|
0.342
|
|
22
|
15
|
0.320
|
0.480
|
|
|
|
|
|
|
|
|
|
28
|
20
|
0.390
|
0.620
|
0.370
|
0.470
|
0.920
|
1.250
|
0.95
|
1.02
|
0.280
|
0.660
|
|
28
|
20
|
0.450
|
0.640
|
|
|
|
|
|
|
|
|
|
34
|
25
|
0.600
|
1.000
|
0.630
|
0.760
|
1.530
|
2.180
|
1.68
|
1.97
|
0.470
|
1.320
|
|
34
|
25
|
0.850
|
1.224
|
|
|
|
|
|
|
|
|
|
42
|
32
|
1.060
|
1.624
|
1.050
|
1.220
|
2.400
|
3.800
|
2.03
|
2.53
|
0.670
|
2.140
|
|
42
|
32
|
1.170
|
1.7, , 30
|
|
|
|
|
|
|
|
|
|
50
|
40
|
1.670
|
2.430
|
1.570
|
2.050
|
3.9
|
5.300
|
3.34
|
3.84
|
1.050
|
3.330
|
|
| |
| 四、標(biāo)記說明 |
a、管子外徑D0為18mm、螺紋直徑d為22mm、螺距為1.5mm的焊接式端直通管接頭：
管接頭 18-M22 × 1.5 JB/966-77
b、管子外徑D0為18mm、螺紋直徑d為22mm、螺距為1.5mm的焊接式端直通長管接頭：
管接頭 18-M22×1.5 JB/1883-77
c、管子外徑D0為28mm的焊接式端直通管接頭：
管接頭 28 JB970-77
d、管子外徑D0為28mm的焊接式直角管接頭：
管接頭 28 JB971-77
e、管子外徑D0為18mm的焊接式三通管接頭：
管接頭 18 JB972-77
f、管子外徑D0為18mm的焊接式四通管接頭：
管接頭 18 JB973-77
g、管子外徑D0為28mm的焊接式隔壁直通管接頭：
管接頭 28 JB974-77
h、管子外徑D0為28mm的焊接式隔壁直通角管接頭：
管接頭 28 JB975-77
i、管子外徑D0為28mm的焊接式分管管接頭：
管接頭 28 JB977-77
j、管子外徑D0為28mm的A型焊接式鉸管接頭：
管接頭 28A JB978-77 |
