Tubing Coupling

These J55, L80, N80 & P110,T95,Q125 tubing couplings are manufactured accordance with API 5CT and API5B specification:

Type – Tubing Coupling

Thread Type – EUE,NUE,Premium Thread

Grade – J55, L80, N80 & P110,T95,Q125

Standard – API5CT&API5B

Surface Treatment – Whole phosphating, or inside phosphating and outside cooper coating

Color Code – J55 Green | L80 Red with brown stripes | N80 Red with green stripes | P110 White



API EUE Tubing Couplings

Designed in accordance with API 5CT/5B and are made of good seamless steel. EUE petroleum tubing coupling cover the outer diameter from 77.80mm to 141.30mm, that is bigger than the outer diameter of the non upset threaded end product. 


API NUE Tubing Couplings

Designed in accordance with API 5CT/5B and are made of good seamless steel. NUE tubing coupling possesses the outer diameter range from 73.02 to 132.08mm.