OVERVIEW

Official designation: Haag + Zeissler ROTATION Series 7100 Type SRO-N (ROTATION Series 7100, Rotary Union)

Role/Application: Single passage rotary joint for transferring media like water, air, or oil to rotating machine components, optimized for smooth operation up to 3000 min-1 with standard carbon graphite sealing.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: ISO 228 G 3/4 RH threading

Indicators: N/A

Operating Temp: Water 175 degrees C / Oil 200 degrees C

Platform / Compatibility: Universal rotating joint

Limit: Max speed 3500 rpm / Max pressure 10 bar

Lifecycle: Series 7100 (Standard Sealing N-model)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum recommended rotational speed and pressure for the G 3/4 threaded N-model union?

A: Maximum speed is 3500 rpm for sizes up to 3/4 inch, and max pressure is 10 bar for standard use.

Wiring & Installation:

Q: What materials are typically used for the housing and the rotating metallic components of this union?

A: The housing is brass, and other metallic components are made of stainless steel.

Troubleshooting & Compatibility:

Q: What is the primary difference between the N-model and the D-model sealing assemblies in this series?

A: N-model uses carbon graphite to tungsten carbide (standard), while D-model uses tungsten carbide to tungsten carbide (heavy duty).

Replacement & Upgrades:

Q: Is this rotary union suitable for both clockwise and counterclockwise rotation applications?

A: Rotors with a flange are specifically recommended for applications involving both clockwise and counterclockwise rotations.