| 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(zhǎng)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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| 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 |
|
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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 |
1.730 |
|
|
|
|
|
|
|
|
50 |
40 |
1.670 |
2.430 |
1.570 |
2.050 |
3.9 |
5.300 |
3.34 |
3.84 |
1.050 |
3.330 |
|
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| 四、標(biāo)記說(shuō)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(zhǎng)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 |
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