Coupling Manufacturer of Tubing and Casing couplingaccording to API SPEC 5CT AND 5B

API couplings for oil tubing and casing

Size and Specifications

Descriptions and size

Type of Thread

O.D*L(mm)

Weight(kg)

Tubing Coupling

2-3/8"

NUE

73.02*107.95

1.28

2-3/8"

EUE

77.80*123.82

1.55

2-7/8"

NUE 

88.90*130.18

2.34

2-7/8"

EUE

93.17*130.35

2.4

3-1/2"

NUE

107.95*142.88

3.17

3-1/2"

EUE

114.30*146.05

4.1

4"

NUE

120.65*146.05

4.35

4"

EUE

127.00*152.40

4.82

4-1/2"