OVERVIEW

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

Role/Application: Universal single-passage rotary joint for rotating transfer of water, steam, air, heat transfer oil, and vacuum using a maintenance-friendly bellows system cartridge.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Single passage; ISO 228 or NPT threads from DN 8 (1/4 inch) up to DN 40 (1 1/2 inch)

Indicators: N/A

Operating Temp: Maximum 190 degrees C for steam/water/vacuum; 175 degrees C for air; 300 degrees C for oil

Platform / Compatibility: ND new design with bellows system cartridge and ball bearings; universal application

Limit: 17 bar for water, 10 bar for steam, 6 bar for air/oil; 1500 rpm speed (ISO 228 thread)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum recommended rotational speed when using the NPT rotor port thread?

A: The maximum speed is reduced to 700 rpm when the unit uses the NPT rotor port threading.

Wiring & Installation:

Q: Are there any specific restrictions on simultaneously operating at the highest speed and pressure limits?

A: Contact the manufacturer before operating the rotary joint at the given maximum speed and pressure limits simultaneously.

Troubleshooting & Compatibility:

Q: Can the 9001 ND series reliably handle media other than steam and water, such as hot oil?

A: Yes, it is rated for universal use, including heat transfer oil and nontoxic gases.

Replacement & Upgrades:

Q: What is the nominal size range covered by the standard single-passage 9001 ND model?

A: The standard 9001 ND is available in sizes from DN 8 (1/4 inch) up to DN 40 (1 1/2 inch).