Straight Pipe Coupling (no thread type) Property:
1. Water proof, protect wire safe.
2, zinc alloy material coupling, galvanized plated. Aluminum alloy, stainless steel coupler, chromic and nickel plated are also available.
3, No threaded type
4. Special design with one-three small screw(s) locking the pipe without thread.
5, One end connected the equipment/flexible conduit, the other end with metal pipe.
6. Size: 1/4"--6"
| Specification form note |
Thick steel tube B (water gas pipe) |
Thin steel tube A (electric wire is managed) |
| The metric system |
British system |
Nominal |
Great Britain claims |
walls of external diameter are thick (mm) |
Nominal |
Great Britain claims |
walls of external diameter are thick (mm) |
| φ10 |
1/4″ |
#10 |
1/4″ |
|
#12 |
1/2″ |
12.76 × 1.60 |
| φ12（13） |
3/8″ |
#12 |
3/8″ |
17 × 2.25 |
#15 |
5/8″ |
15.87 × 1.60 |
| φ15（16） |
1/2″ |
#15 |
1/2″ |
21.25 × 2.75 |
#20 |
3/4″ |
19.05 × 1.80 |
| φ20（19） |
3/4″ |
#20 |
3/4″ |
26.75 × 2.75 |
#25 |
1″ |
25.40 × 1.80 |
| φ25 |
1″ |
#25 |
1″ |
33.5 × 3.25 |
#32 |
1/1/4″ |
31.75 × 1.80 |
| φ32 |
1/1/4″ |
#32 |
1/1/4″ |
42.25 × 3.25 |
#40 |
1/1/2″ |
38.10 × 1.80 |
| φ38（40） |
1/1/2″ |
#40 |
1/1/2″ |
48 × 3.5 |
#50 |
2″ |
50.80 × 2.0 |
| φ51（50） |
2″ |
#50 |
2″ |
60 × 3.5 |
#70 |
2/1/2″ |
63.50 × 2.5 |
| φ64（70） |
2/1/2″ |
#70 |
2/1/2″ |
75.5 × 3.75 |
#80 |
3″ |
76.2 × 3.20 |
| φ75（80） |
3″ |
#80 |
3″ |
88.5 × 4 |
|
|
|
| φ100 |
4″ |
#100 |
4″ |
114 × 4 |
|
|
|
| φ125 |
5″ |
#125 |
5″ |
140 × 4.5 |
|
|
|
| φ150 |
6″ |
#150 |
6″ |
165 × 4.5 |
|
|
| |
