OVERVIEW

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

Role/Application: Modular, graphite-sealed rotary joint designed for high thermal stability and leak-free performance in systems transferring air, steam, water, or high-temperature heat transfer oil, supporting cartridge change maintenance.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Single passage; ISO 228 or NPT thread; welded flange or quick release

Indicators: N/A

Operating Temp: Maximum 300 degrees C for heat transfer oil

Platform / Compatibility: Graphite/ceramic sealing; bellows system; modular design (MD) cartridge

Limit: 17 bar water; 10 bar steam; 6 bar air/oil; 400 rpm max speed (for DN 50)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum pressure rating for air and heat transfer oil using the 9001 G-MD?

A: The maximum pressure for air, nontoxic gases, and heat transfer oil is 6 bar.

Wiring & Installation:

Q: What is the maximum rotational speed supported by the 9001 G-MD for DN 50 pipe size?

A: The maximum rotational speed for the DN 50 size is 400 rpm.

Troubleshooting & Compatibility:

Q: Is the 9001 G-MD rotary union designed to be self-supporting, eliminating the need for external support?

A: Refer to the latest manufacturer manual.

Replacement & Upgrades:

Q: How does the modular design (MD) simplify maintenance on the 9001 G-MD rotary joint?

A: The modular design allows for fast and economic maintenance via a simple cartridge change.