Diyak Ltd. offers a wide variety Couplings for Casing, Tubings and Line Pipes. The Tubing / Casing and Line Pipe Couplings are manufactured to meet the requirements of API 5CT and API 5L certifications respectively.
Below are the sizes of the API 5L Couplings for Line Pipes that we offer.
API LINE PIPE COUPLINGS
|
API Line Pipe Couplings
|
Coupling Size
|
Coupling Size OD (inches)
|
Length (inches)
|
Weight per Coupling (lbs)
|
Couplings per Carton
|
Pallet Carton Weight
|
 |
1/8
|
0.563
|
1.0625
|
0.04
|
–
|
–
|
|
1/4
|
0.719
|
1.6250
|
0.09
|
–
|
–
|
|
|
3/8
|
0.875
|
1.6250
|
0.13
|
–
|
–
|
|
|
1/2
|
1.063
|
2.1250
|
0.24
|
4000
|
960
|
|
|
3/4
|
1.313
|
2.1250
|
0.34
|
3800
|
1292
|
|
|
1
|
1.576
|
2.6250 |
0.54
|
3000
|
1620
|
|
|
1 1/4
|
2.054
|
2.7500
|
1.03
|
1500
|
1545
|
|
|
1 1/2
|
2.200
|
2.7500
|
0.90
|
1500
|
1350
|
|
|
2
|
2.875
|
2.8750
|
1.86
|
1610
|
2995
|
|
|
2 1/2
|
3.375
|
4.1250
|
3.27
|
840
|
2747
|
|
|
3
|
4.000
|
4.2500
|
4.09
|
567
|
2319
|
|
|
3 1/2
|
4.625
|
4.3750
|
5.92
|
420
|
2486
|
|
|
4
|
5.200
|
4.5000
|
7.59
|
329
|
2497
|
|
|
5
|
6.296
|
4.6250
|
9.98
|
288
|
2874
|
|
|
6
|
7.390
|
4.8750
|
12.92
|
184
|
2377
|
|
|
8
|
9.625
|
5.2500
|
23.18
|
104
|
2411
|
|
|
10
|
11.750
|
5.7500
|
31.55
|
63
|
1988
|
|
|
12
|
14.000
|
6.1250
|
49.27
|
35
|
1724
|
COUPLING PIPE GRADE IDENTIFICATION BY PAINT COLOR
|
Grade
|
Colour Coding (Painted Outside)
|
| H-40 | Black |
| J-55 or K-55 | Green |
| N-80 | Red |
| M-65 or L-80 | Red with one Brown Band |
| L-80 Type 9CR | Red with two Yellow Bands |
| L-80 Type 13CR | Red with one Yellow Band |
| C-90 Type 1 | Purple |
| C-90 Type 2 | Purple with one Yellow Band |
| T-95 Type 1 | Silver |
| T-95 Type 2 | Silver with one Yellow Band |
| C-95 | Brown |
| P-110 | White |
| Q-125 Type 1 | Orange |
| Q-125 Type 2 | Orange with one Yellow Band |
| Q-125 Type 3 | Orange with one Green Band |
| Q-125 Type 4 | Orange with one Brown Band |