JSM series lock nut pipe joint
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1、 Characteristics:
JSM series lock nut pipe fittings are suitable for connecting nylon and plastic pipes, with a maximum working pressure of 1.0MPa. This series of connectors has the advantages of easy use and firm installation.
2、 Installation method:
First, remove the locking nut and insert it into the connecting tube. Then, insert the connecting tube into the joint and tighten the locking nut.
3、 Example of Marking::
Ⅰ Lock nut type three-way terminal pipe joint with a nominal diameter of 6mm and an interface thread of M10 × 1.
Tag: JSM-3T-Z6(Metric threads do not need to be specified)
Ⅱ Lock nut type three-way terminal pipe joint with nominal diameter 10mm and interface thread ZG3/8 ".
Tag: JSM-3T-Z10(ZG3/8″)(British pipe threads and cone pipe threads need to be indicated).
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Lock nut direct terminal pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
Interface thread |
S |
S1 |
L |
L1 |
JSM-Z3 |
3 |
4*3 |
M6*1 |
- |
- |
8 |
8 |
23 |
6 |
JSM-Z4 |
4 |
6*4 |
M8*1 |
- |
- |
10 |
10 |
25 |
7 |
JSM-Z6 |
6 |
8*6 |
M10*1 |
G1/8" |
ZG1/8" |
12 |
12 |
27 |
7 |
JSM-Z8 |
8 |
10*8 |
M12*1.25 |
G1/4" |
ZG1/4" |
14 |
14 |
29 |
9 |
JSM-Z10 |
10 |
12*10 |
M16*1.5 |
G3/8" |
ZG3/8" |
19 |
17 |
33 |
10 |
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Lock nut straight pipe joint
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Model specifications |
Nominal diameter d |
Take over outer diameter D |
S |
S1 |
L |
JSM-3 |
3 |
4*3 |
8 |
8 |
30 |
JSM-4 |
4 |
6*4 |
10 |
10 |
32 |
JSM-6 |
6 |
8*6 |
12 |
12 |
35 |
JSM-8 |
8 |
10*8 |
14 |
14 |
39 |
JSM-10 |
10 |
12*10 |
17 |
17 |
45 |
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Lock nut right angle terminal pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
Interface thread |
S |
S1 |
L |
L1 |
JSM-J-Z3 |
3 |
4*3 |
M6*1 |
- |
- |
8 |
8 |
21 |
20 |
JSM-J-Z4 |
4 |
6*4 |
M8*1 |
- |
- |
10 |
10 |
23 |
22 |
JSM-J-Z6 |
6 |
8*6 |
M10*1 |
G1/8" |
ZG1/8" |
12 |
12 |
24 |
23 |
JSM-J-Z8 |
8 |
10*8 |
M12*1.25 |
G1/4" |
ZG1/4" |
14 |
14 |
28 |
26 |
JSM-J-Z10 |
10 |
12*10 |
M16*1.5 |
G3/8" |
ZG3/8" |
19 |
17 |
33 |
30 |
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Lock nut right angle pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
S1 |
L |
JSM-J-3 |
3 |
4*3 |
8 |
20 |
JSM-J-4 |
4 |
6*4 |
10 |
22 |
JSM-J-6 |
6 |
8*6 |
12 |
23 |
JSM-J-8 |
8 |
10*8 |
14 |
26 |
JSM-J-10 |
10 |
12*10 |
17 |
30 |
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Lock nut type three-way terminal pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
Interface thread |
S |
S1 |
L |
L1 |
L2 |
JSM-3T-Z3 |
3 |
4*3 |
M6*1 |
- |
- |
8 |
8 |
42 |
6 |
20 |
JSM-3T-Z4 |
4 |
6*4 |
M8*1 |
- |
- |
10 |
10 |
46 |
7 |
22 |
JSM-3T-Z6 |
6 |
8*6 |
M10*1 |
G1/8" |
ZG1/8" |
12 |
12 |
48 |
7 |
23 |
JSM-3T-Z8 |
8 |
10*8 |
M12*1.25 |
G1/4" |
ZG1/4" |
14 |
14 |
56 |
9 |
26 |
JSM-3T-Z10 |
10 |
12*10 |
M16*1.5 |
G3/8" |
ZG3/8" |
19 |
17 |
66 |
10 |
30 |
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Lock nut three-way pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
S |
S1 |
L |
JSM-3T-3 |
3 |
4*3 |
8 |
42 |
21 |
JSM-3T-4 |
4 |
6*4 |
10 |
46 |
23 |
JSM-3T-6 |
6 |
8*6 |
12 |
48 |
24 |
JSM-3T-8 |
8 |
10*8 |
14 |
56 |
28 |
JSM-3T-10 |
10 |
12*10 |
17 |
66 |
33 |
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Lock nut four-way terminal pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
Interface thread |
S |
S1 |
L |
L1 |
L2 |
JSM-4T-Z3 |
3 |
4*3 |
M6*1 |
- |
- |
8 |
8 |
42 |
6 |
20 |
JSM-4T-Z4 |
4 |
6*4 |
M8*1 |
- |
- |
10 |
10 |
46 |
7 |
22 |
JSM-4T-Z6 |
6 |
8*6 |
M10*1 |
G1/8" |
ZG1/8" |
12 |
12 |
48 |
7 |
23 |
JSM-4T-Z8 |
8 |
10*8 |
M12*1.25 |
G1/4" |
ZG1/4" |
14 |
14 |
56 |
9 |
26 |
JSM-4T-Z10 |
10 |
12*10 |
M16*1.5 |
G3/8" |
ZG3/8" |
19 |
17 |
66 |
10 |
30 |
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Lock nut four-way pipe joint

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Model specifications |
Nominal diameter d |
Take over outer diameter D |
S1 |
L |
JSM-4T-3 |
3 |
4*3 |
8 |
42 |
JSM-4T-4 |
4 |
6*4 |
10 |
46 |
JSM-4T-6 |
6 |
8*6 |
12 |
48 |
JSM-4T-8 |
8 |
10*8 |
14 |
56 |
JSM-4T-10 |
10 |
12*10 |
17 |
66 |
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