Tél. 33 (0)3 23 70 70 00 • duff-france@duffnorton.fr

DNRF Series


The Duff-Norton Europe DNRF Rotary Union has been designed to provide a perfect solution to the need to position Flange connected pipes (loading arms). Its simple design in nickel plated carbon steel (against corrosion) or in 316L Stainless Steel allows to ensure its primarily rotating function in all conditions of weather and temperature.


Technical Data:

Number of ports: 1 way
Fluid: Air, Water, Oil
Rotation Speed: Articulation (up to 5 RPM), Low speed (from 5 to 20 RPM)
Pressure working: Low (from 0 to 10 bars), Intermediate (from 0 to 100 bars)
Size: from 2″ to 3″, from 3″ to 4″, from 4″ to 5″, from 5″ to 6″, from 6″ to 10″, from 10″ to 12″
Material: Steel, Stainless Steel
Surface treatment: Chemical Nickel
Implantation: Straight
Temperature working: From -20°C to 140°C
Connection: Flange
PN10, PN16

*for any other type of connection, please contact us.

Quick Ship Program (QSP) :

Not available

Available products within 1 working day (ex-works)

Carbon Steel:


Stainless Steel,Models:

Not available

STEP files for downloading:

[downloads category=step tag=DNRF orderby=ID order=ASC]