OVERVIEW

Official designation: Haag + Zeissler 7101 (7101 Series, Rotary Joint)

Role/Application: Single-passage rotary joint for universal use, primarily in high-speed rotating machinery and cooling systems to provide stable, reliable water transfer with robust sealing.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Single flow; ISO 228 (BSPP) or NPT thread

Indicators: N/A

Operating Temp: Maximum 130 degrees C for water

Platform / Compatibility: Aluminum or brass housing; N-model: Carbon graphite/Silicon carbide seal

Limit: 50 bar maximum pressure (DN 8-DN 40); 3500 rpm maximum speed (DN 8-DN 20)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

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

A: The standard N-model uses Carbon graphite/Silicon carbide, while the D-model uses Silicon carbide/Silicon carbide for abrasive fluids.

Wiring & Installation:

Q: What housing materials are available for the 7101 series for different application requirements?

A: The housing is available in either aluminum or brass construction depending on the specific model requirements.

Troubleshooting & Compatibility:

Q: What is the maximum recommended temperature for operating the 7101 rotary joint with water at pressures above 8 bar?

A: Fluid pressures exceeding 8 bar are allowed only for applications with cool water at maximum temperature of 50 degrees C.

Replacement & Upgrades:

Q: Which other Haag + Zeissler series is closely related and shares a similar product sheet for technical data?

A: The 7101 series shares a combined product sheet with the 7201 (stainless steel) and 7501 (air, vacuum) series.