We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
API 5CT Tubing and Casing Pipe Couplings Manufacturer
Couplings are short lengths of pipe used to connect two joints of tubing or casing, which are painted with color codes on their external surface to indicate their grades. Couplings have internal threads (female thread form) machined to match the external threads (male thread form) of the long joints of casing & tubing. The two joints of casing & tubing are threaded into opposite ends of the casing & tubing coupling.
Specification of Casing Couplings
|
Casing Coupling
|
4-1/2″ |
STC |
127.00*158.75 |
5.23 |
|
4-1/2″ |
LTC |
127.00*177.80 |
4.15 |
|
|
4-1/2″ |
BTC |
127.00*225.42 |
4.55 |
|
|
5″ |
STC |
141.30*165.10 |
4.66 |
|
|
5″ |
LTC |
141.30*196.85 |
5.75 |
|
|
5″ |
BTC |
141.30*231.78 |
5.85 |
|
|
5-1/2″ |
STC |
153.67*171.45 |
5.23 |
|
|
5-1/2″ |
LTC |
153.67*203.20 |
6.42 |
|
|
5-1/2″ |
BTC |
153.67*234.95 |
6.36 |
|
|
6-5/8″ |
STC |
187.71*184.15 |
9.12 |
|
|
6-5/8″ |
LTC |
187.71*222.25 |
11.34 |
|
|
6-5/8″ |
BTC |
187.71*244.48 |
11.01 |
|
|
7″ |
STC |
194.46*184.15 |
8.39 |
|
|
7″ |
LTC |
194.46*228.60 |
10.83 |
|
|
7″ |
BTC |
194.46*254.00 |
10.54 |
|
|
7-5/8″ |
STC |
215.90*190.50 |
12.30 |
|
|
7-5/8″ |
LTC |
215.90*234.95 |
15.63 |
|
|
7-5/8″ |
BTC |
215.90*263.52 |
15.82 |
|
|
8-5/8″ |
STC |
244.48*196.85 |
16.23 |
|
|
8-5/8″ |
LTC |
244.48*254.00 |
21.67 |
|
|
8-5/8″ |
BTC |
244.48*269.88 |
20.86 |
|
|
9-5/8″ |
STC |
269.88*196.85 |
18.03 |
|
|
9-5/8″ |
LTC |
269.88*266.70 |
25.45 |
|
|
9-5/8″ |
BTC |
269.88*269.88 |
23.16 |
|
|
10-3/4″ |
STC |
298.45*203.20 |
20.78 |
|
|
10-3/4″ |
BTC |
298.45*269.88 |
25.74 |
|
|
11-3/4′ |
STC |
323.85*203.20 |
22.64 |
|
|
11-3/4′ |
BTC |
323.85*269.88 |
28.03 |
|
|
13-3/8″ |
STC |
365.12*203.20 |
25.66 |
|
|
13-3/8″ |
BTC |
365.12*269.88 |
31.77 |
|
|
16″ |
STC |
431.80*228.6 |
34.91 |
|
|
16″ |
BTC |
431.80*269.88 |
40.28 |
|
|
18-5/8″ |
STC |
508.00*228.60 |
51.01 |
|
|
18-5/8″ |
BTC |
508.00*269.88 |
62.68 |
|
|
20″ |
STC |
533.40*228.6 |
43.42 |
|
|
20″ |
LTC |
533.4*292.10 |
57.04 |
|
|
20″ |
BTC |
533.40*269.88 |
50.10 |
We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.
