Introduction
The DNRF Series by Duff-Norton Europe offers a robust solution for fluid transfer, specifically designed for flange-connected pipes and loading arms. The series is available in nickel-plated carbon steel or 316L stainless steel, ensuring durability against corrosion and functionality across various weather and temperature conditions.

Specifications

• Material Options: Nickel-plated carbon steel (K models) and 316L stainless steel (I models).
• Working Parameters: Suitable for all fluids except steam and heat transfer fluids, with a maximum pressure of 16 bars (PN 10/16) and operational temperatures ranging from -15°C to +200°C.
• Customizations: Standard PN10/PN16 flanges can be replaced with other standard or customized flange types. Connection kits are available for order.

Maintenance
The DNRF Series Rotary Unions are designed for long-term maintenance. Maintenance kits include essential components such as balls, rotary seals, O-rings, and screws.

Product Range
The series includes various models with nominal diameters ranging from DN50 to DN300. Each model is designed with specific dimensions for overall length and diameter, ensuring compatibility with different connection requirements.

Component Details

• Rotor and Stator: Available in both carbon steel and stainless steel.
• Rotary Seal: Made from PTFE/FKM.
• Connection Flange, Balls, and Grease Nipple: Constructed from stainless steel.
• O-Ring: Made from FKM.

Contact Information
For further inquiries, Duff-Norton Europe can be contacted at their office in Romeny-sur-Marne, France, via phone or email.