These are versatile Air – Hydraulic Unions, suitable for Pneumatic and hydraulic Actuators and vacuum service. These are of compact design incorporating one pair of ball bearing to maintain alignment of rotor. 

A pair of seal faces with single coil spring ensures leak free performance. A felt Oil- ring around the seal faces ensures continuous supply of lubrication to seal faces to enable trouble free operation while handling Air. 

Sealing faces are of Carbon graphite, Silicon carbide, Tungsten carbide. Viton rubber O-Rings are used for secondary sealing.

TThese are available with
LH & RH - NPT, BSP, UNS & UNF, 
Threads on the Rotor and BSP & NPT Threads
on B-Port
Range: 1/8” NB to ½” NB