OVERVIEW

Official designation: Haag + Zeissler MRF (MRF Series, Multiport Rotary Joint)

Role/Application: Multiport rotating joint for low speed applications, reliably transferring water, air, vacuum, and hydraulic oil in revolving tables and coiler machinery.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: 9 or 11 passages, typically 3/8 inch nominal size

Indicators: N/A

Operating Temp: Up to 120 degrees C (for water)

Platform / Compatibility: Segment design for customization and quick service

Limit: 250 bar (max 10 rpm, hydraulic oil) or 10 bar (air, water)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum rotational speed the MRF joint supports under typical operating conditions?

A: The maximum rotational speed for the MRF series is 250 rpm, suitable for moderate speed applications.

Wiring & Installation:

Q: What are the main components used to achieve the leak-free, long-life sealing in the MRF rotary union?

A: The sealing is achieved using a special PTFE-Compound sliding shoe combined with an O-Ring.

Troubleshooting & Compatibility:

Q: What is the pressure limit for air and water compared to hydraulic oil in the MRF 9 to 11 passage models?

A: Air and water pressure are limited to 10 bar, while hydraulic oil can reach 250 bar at 10 rpm.

Replacement & Upgrades:

Q: Can this fluid-only MRF joint be upgraded to transmit electrical signals simultaneously with media transfer?

A: The MRF-E series is the direct upgrade variant that includes an electrical slip ring for signal transmission.