Water rotary union DNRF
for airfor oilfor steam

water rotary union
water rotary union
water rotary union
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for water, for air, for oil, for steam, for gas, for vacuum, for chemicals
stainless steel, carbon steel
Other characteristics
with seal, flange, low-speed, orientable, large, for high flow rates

Min.: 0 bar (0 psi)

Max.: 100 bar (1,450 psi)

Rotational speed

Min.: 0 rpm (0 rad.min-1)

Max.: 20 rpm (126 rad.min-1)

Nominal size

Min.: 2 in

Max.: 10 in


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. Activities: – Food – Chemistry, Plastic, Health – Construction, Building, Wood, Habitat – Energy, Environment – Metallurgy, Mechanics and Subcontracting – Trading – Transport and Logistics Technical Data: Number of ports: 1 way Fluid: Air, Water, Oil 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.

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Rotary unions

*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.