Categories
Casing Couplings
Casing coupling is a short length of pipe used to connect two joints of casing pipes. It has internal threads (female thread) machined to match the external threads (male thread) of the long joints of casing pipes. The two joints of casing are threaded into opposite ends of the casing coupling.
Specification of Casing Couplings
|
Casing Size OD(in) |
Coupling size OD(in) |
Length(in) |
Weight per coupling(kg) |
Quantity per pallet |
Pallet weight(kg) |
|
4 1/2 |
5.000 |
7.000 |
4.15 |
294 |
1220 |
|
5 |
5.563 |
7.750 |
5.75 |
210 |
1208 |
|
5 1/2 |
6.050 |
8.000 |
6.42 |
180 |
1156 |
|
6 5/8 |
7.390 |
8.750 |
11.34 |
100 |
1134 |
|
7 |
7.656 |
9.000 |
10.83 |
100 |
1083 |
|
7 5/8 |
8.500 |
9.250 |
15.63 |
80 |
1250 |
|
8 5/8 |
9.625 |
10.000 |
21.67 |
48 |
1040 |
|
9 5/8 |
10.625 |
10.500 |
25.45 |
40 |
1018 |
Tubing Couplings
Tubing Coupling can be widely used in industrial petroleum pipeline system, cold and hot water supply, heating supply, fire protection, medicinal gas, etc. It has already replaced welding fittings in most countries.
Specification of Tubing Couplings
|
Size |
Type of Thread |
O.D*L (mm) |
Weight (kg) |
|
2-3/8" |
NUE |
73.02*107.95 |
1.28 |
|
2-3/8" |
EUE |
77.80*132.82 |
1.55 |
|
2-7/8" |
NUE |
88.90*130.18 |
2.34 |
|
2-7/8" |
EUE |
93.17*133.35 |
2.4 |
|
3-1/2" |
NUE |
107.95*142.88 |
3.71 |
|
3-1/2" |
EUE |
114.30*146.05 |
4.1 |
|
4" |
NUE |
120.65*146.05 |
4.35 |
|
4" |
EUE |
127.00*152.40 |
4.82 |
|
4-1/2" |
NUE |
132.08*155.58 |
4.89 |
|
4-1/2" |
EUE |
141.30*158.75 |
6.05 |
When ordering, please specify:
The size of the casing or tubing coupling.
The required grade and weight.
The thread type
