API J-55 coupling/5B coupling for connecting pipes
Couplings are used to connect two joints of casing pipes together.Coupling are short length of heavy wall pipe with the same threads on each end。We manufacture casing coupling strictly comply
with API 5CT latest standard.grade J-55.N-80,L-80 ,P-110.Q125.V150
Contact information:
Tel:86-022-58712528
Mobile:86-13820721747