China Vigor’s couplings are ready to deliver to our customer, more details as below:
J55 Coupling – BTC – 7”, MTC as per EN 10204 3.1 required, as per API 5CT
J55 Coupling–BTC - 9 5/8”, MTC as per EN 10204 3.1 required, as per API 5CT
As required by API 5CT standard, the couplings are always given color codes in order to differ the steel grade.
J55/ K55- Green,P110- White, N80/ L80- Red etc.
China Vigor’s Coupling Details:
Standard: API 5CT;
Steel Grade: J55, K55, N80, L80, L80 9%Cr, L80 13%Cr, P110;
Dimension: Tubing coupling from 2-3/8″ to 4-1/2″, Casing coupling from 4-1/2″ to 20″;
Thread: NU, EU( for Tubing Coupling); LC, BC, SC( for Casing Coupling).