DEUBLIN 1690-000-115

The Deublin 1690-000-115 Duoflow Rotary Union is a high-pressure, two-passage unit specifically engineered for the complex hydraulic and air systems of forestry yarders and mobile haulers. Built to handle dual fluid lines in a single compact housing, it is the essential choice for multi-stage winch control and specialized drum actuation on rugged NZ logging sites

Dual-Passage Power: Deublin 1690-000-115 for Yarder Drum Control

When your logging operation requires more than just a single fluid line, the Deublin 1690-000-115 provides the dual-passage capability necessary for advanced winch drum control. In a forestry yarder, this “Duoflow” design allows for independent control of multiple functions—such as simultaneous brake and clutch engagement—through a single rotating assembly.

Designed for low-speed, high-pressure service, the 1690 series is built to survive the extreme vibration and “shock loading” found on a working landing. It features an aluminum housing for weight efficiency and a hardened steel rotor for maximum wear resistance. With specialized seals designed for hydraulic oil and air, this union ensures that your tower or swing yarder maintains peak hydraulic integrity, even during the heaviest hauls in New Zealand’s challenging terrain

Yarder & Heavy Hauler Applications

The Deublin 1690-000-115 is primarily utilized on heavy-duty forestry yarders and towers for multi-function drum control. It is a critical replacement part for Madill and Thunderbird haulers where dual-passage fluid transfer is required for winch timing and braking precision. Its self-supported design and vent holes between passages prevent cross-contamination, ensuring long-term reliability in the demanding NZ forestry environment.

Technical Specifications Table