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Casing and Tubing Coupling, Casing Coupling, Tubing Coupling
Used for connect 2 joints of tubing or casing
Tubing Coupling : 1.9'' - 4-1/2''
Casing Couping : 4-1/2'' - 13-3/8''
API 5CT and 5B PSL1/PSL2 J55,K55,N80-1,N80-Q,
API 5CT and 5B L80-1,C90, C95,T95, P110, Q125
Whole Phosphating or inside phosphating and outside coating
NUE, EUE, STC, LTC, BTC, premium connection
Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156