• J&N 4 1/16
  • J&N 4 1/16

J&N 4 1/16"-15K Hydraulic Connection Union

Rated Pressure15,000 psi

Nominal Size4-1/16"

Temperature ClassT-20

StandardAPI 16A

Providing Repair Kit for Hydraulic Connection Union


Hydraulic connection union is designed for quick remote-connection of BOP, lubricator, stripper packer and other wellhead equipment by a hydraulic-controlled mechanism. It serves as an important unit to avoid the risk of manual operation and protect human safety especially in aerial service.

We can provide customized hydraulic connection union depending on customer's requirements.


  • The product design, manufacture and inspection comply with API spec 16A Specification for Drill-through Equipment.
  • Hydraulic control enables quick connection and detachment with self-lock mechanism to safeguard safe operation.
  • Pressure containing parts made from premium forged carbon steel or low alloy steel, and heat treated to provide excellent mechanical performance.

Technical Parameter

Hydraulic Connection Union

4 1/16"-15K Hydraulic Connection Union




H2S (PH2S 0.5 psi)

Temperature Class


Bore Dia.


Rated Pressure

15,000 psi

Hydraulic Pressure

1,000~3,000 psi

Conn. Type

CB union or flange


Drilling fluid, oil, sour gas, water

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