API 5CT Tubing/casing Coupling & Pup Joint
Our company can provide all kinds of API 5CT series coupling.We try our best to make our products with excellent quality and
favorable price and we warmly welcome the customers to visit our factory and establish business cooperation.
1) Tubing Coupling:2 3/8",2 7/8",3 1/2",4",4 1/2".
Casing Coupling:4 1/2"- 20".
2) Grade: J55, K55, N80, L80, P110 ,C95.
3) Thread: NU ,EU, STC ,LTC, BTC.
4) Standard: API 5CT.
5)Protection of Thread: Steel Thread protector.
6) Length:2' 4' 6' 8' 10' 12'.
ROUND THREAD CASING COUPLING
PIPE OD (mm) | COUPLING OD | MIN LENGTH NL | Boring Diameter | Bearing | Weight(Kg) | ||
STC | LTC | STC | LTC | ||||
127.00 | 141.30 | 165.10 | 196.85 | 129.38 | 4.76 | 4.66 | 5.75 |
139.70 | 153.67 | 171.45 | 203.20 | 142.08 | 3.18 | 5.23 | 6.42 |
177.80 | 200.03 | 184.15 | 228.60 | 180.18 | 4.76 | 8.39 | 10.83 |
244.48 | 269.88 | 196.85 | 266.70 | 248.44 | 6.35 | 18.03 | 25.45 |
273.05 | 298.45 | 203.20 | - | 277.02 | 6.35 | 20.78 | - |
339.72 | 365.12 | 203.20 | - | 343.69 | 5.56 | 25.66 | - |
406.40 | 431.80 | 228.60 | - | 411.96 | 5.56 | 34.91 | - |
473.08 | 508.00 | 228.60 | - | 478.63 | 5.56 | 54.01 | - |
508.00 | 533.40 | 228.60 | 292.10 | 513.56 | 5.56 | 43.42 | 57.04 |
Note:
1 All of size unit are Millimeter except they are marked.
2 Tolerance W ±1% for group1,2,3,but it is not more than 3.18mm.
3 Tolerance W±1% for group4,but it is not more than-1.59～+3.18mm.
SIZE | COUPLING OD | MIN LENGTH NL(mm) | Boring Diameter Q(mm) | Bearing | Weight kg |
PIPE OD (mm) | W(mm) | Standard | |||
127.00 | 141.30 | 231.78 | 130.56 | 3.97 | 5.85 |
139.70 | 153.67 | 234.95 | 143.26 | 3.97 | 6.36 |
177.80 | 200.03 | 254.00 | 181.36 | 5.56 | 10.54 |
244.48 | 269.88 | 269.88 | 248.03 | 9.52 | 23.16 |
273.05 | 298.45 | 269.88 | 276.61 | 9.52 | 25.74 |
339.72 | 365.12 | 269.88 | 343.28 | 9.52 | 31.77 |
406.40 | 431.80 | 269.88 | 410.31 | 9.52 | 40.28 |
473.08 | 508.00 | 269.88 | 476.99 | 9.52 | 62.68 |
508.00 | 533.40 | 269.88 | 511.91 | 9.52 | 50.10 |
Note: | |||||
Keywords:API 5CT Steel Pipe, J55,K55,L80,N80Q,C90,T95,P110 Oil/Petroleum Pup Joint, OCTG
Certificate:
API 5CT,Russian Certificate,ISO,CCS
Packing:
Coating and steel thread protector.
Usage:
The API 5CT coupling is an internally threaded cylinder for connecting two threaded pipes. it is an integral part of the tubing and casing.Each tubing or casing should be equipped with an API coupling.The casing with different thread types selects different types of coupling.therefore,the product is mainly divided into buttress thread and round thread types,which correspond to buttress and round thread casing respectively.
Production Capacity: 500 000 tons/year
Dalipal Company is one of the most famous enterprises of china professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.
