Hydraulic Connection Union

Hydraulic connection union is designed for quick connection of BOP, stripper packer and lubricator with a hydraulic remote control system. It can effectively avoid the risk of manual operation, and protect personal safety.

We can offer customized design as per customer requirements.

Remote control to ensure operational and personal safety.

Hydraulic control allows quick connection and response.

Safe self-lock device can effectively avoid slip to move backwards, causing failure.

Tapered seal bore facilitates connection, saving operating time.

Various end connections (flange or union) are available to meet different requirements.

Dual-seal design in the connection ensures safe and reliable sealing


Rated Pressure 69.0 MPa~103.5 MPa(10,000 psi~15,000 psi)
Temperature -29℃~121℃
Nominal Bore 3 1/16″, 4 1/16″, 5 1/8″
Specification Level PSL3
Working Medium Drilling fluid, frac acidizing fluid, oil, gas (H2S), water
Standard API 16A / NACE MR0175