Coupling

Description

We can provide various couplings, including sucker rod coupling, adopter coupling, and polished rod coupling. They are all designed in accordance with API Spec 11B, and manufactured with high quality carbon steel or alloy steel. Generally, there are two spanner square sections, or we can provide couplings without spanner square sections according to the customers’ requirements.

Parameter

TYPE

SUCKER  ROD  COUPLING

T,SM

Nominal Size(in)

Outer Diameter+0.13 -0.25

Inner diameter+0.13(in) -0.25(in)

Outer Size(in) O.D×Length

Full Size

5/8"

1-1/2

15/16

1.500×4.000

3/4"

1-5/8

1-1/16

1.625×4.000

7/8"

1-13/16

1-3/16

1.812×4.000

1"

2-3/16

1-3/8

2.187×4.000

1-1/8"

2-3/8

1-9/16

2.375×4.000

Slim Hole

5/8"

1-1/4

15/16

1.250×4.000

3/4"

1-1/2

1-1/16

1.500×4.000

7/8"

1-5/8

1-3/16

1.625×4.000

1"

2

1-3/8

2.000×4.000

1-1/8"

2-1/8

1-9/16

2.187×4.000

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