OVERVIEW

Official designation: Haag + Zeissler 9001 G-ND (9001 Series, Single-Passage Rotary Joint)

Role/Application: Single-passage rotary union featuring a graphite sealing system and two precision ball bearings, designed for robust transfer of media like air, steam, and water in process automation and pneumatic control systems.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Single passage; threaded connection (Nominal size 0.25 inch to 1.5 inch)

Indicators: N/A

Operating Temp: 190 degrees C for steam/water; 175 degrees C air; 300 degrees C heat transfer oil

Platform / Compatibility: Graphite/ceramic sealing; two precision ball bearings (non relubricatable)

Limit: 17 bar water; 12 bar steam; 6 bar air; 700 rpm speed (for standard models)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum operating temperature when the 9001 G-ND is used with heat transfer oil?

A: The rotary joint supports a maximum temperature of 300 degrees C for heat transfer oil.

Wiring & Installation:

Q: What is the primary difference in bearing maintenance for the 9001 G-ND unit?

A: This model uses two precision ball bearings that are non relubricatable.

Troubleshooting & Compatibility:

Q: What fluids, besides air, steam, and water, is the 9001 G-ND series designed to transfer?

A: The unit is also rated to handle heat transfer oil, vacuum, and nontoxic gases.

Replacement & Upgrades:

Q: Is there an alternative model for applications requiring a higher speed than 700 rpm?

A: Refer to the latest manufacturer manual for high-speed variants or alternative models exceeding 700 rpm.