Water rotary union 3S series
for airfor vacuumlow-pressure

water rotary union
water rotary union
water rotary union
water rotary union
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for water, for air, for vacuum
low-pressure, pneumatic, for pipes, for rollers
aluminum, carbon steel
Other characteristics
radial, screw-in, ball bearing, high-speed, compact, light, right-angle, orientable, small

Max.: 10 bar (145 psi)

Min.: 0 bar (0 psi)

Rotational speed

Max.: 5,000 rpm (31,416 rad.min-1)

Min.: 0 rpm (0 rad.min-1)

Nominal size

Max.: 0.25 in

Min.: 0.125 in


Description: These rotary unions are mainly used on clutches and pneumatic control systems. Activities: – Food – Chemistry, Plastic, Health – Trading – Transport and Logistics Technical Data: Number of ports: 1 way Fluid: Air, Oil Rotation Speed: Articulation (up to 5 RPM), Low speed (from 5 to 20 RPM), Intermediate speed (from 20 to 1500 RPM), High Speed (from 1500 to 5000 RPM) Pressure working: Very Low (from -0,6 bar to 0 bar), Low (from 0 to 10 bars) Size: from 1/8″ to 1/4″ Material: Steel Surface treatment: Not available Implantation: Angle elbow Temperature working: Up to 120°C Connection: Thread BSP, NPT *for any other type of connection, please contact us.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.