OVERVIEW

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

Role/Application: A light-version, single-passage swivel joint engineered for precision transfer of liquids or gases in rotating pipelines, featuring ball bearing tracks for swiveling or low-speed rotating movements.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Female/male thread, flange, or welding connection

Indicators: N/A

Operating Temp: Minus 20 to plus 120 degrees C

Platform / Compatibility: Steel (42CrMo4) or stainless steel (1.4571) housing

Limit: 100 bar max pressure, 3000 rpm max speed

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What material is used for the standard sealing element in the SJF precision swivel joint?

A: The standard sealing element in the SJF series is a PTFE-Compound seal material.

Wiring & Installation:

Q: What is the maximum recommended rotation speed for the SJF series to ensure optimal performance?

A: The maximum operational speed for the SJF series is rated up to 3000 rpm, depending on size.

Troubleshooting & Compatibility:

Q: Can the SJF series handle bending loads, axial thrust, and radial push during operation?

A: Yes, the widely spaced ball bearing tracks warrant the acceptance of these external forces.

Replacement & Upgrades:

Q: Does Haag + Zeissler offer custom-constructed SJF swivel joints for unique operating pressures or media?

A: Yes, custom swivel joints are available for higher operational pressures, toxic media, or specialized connections.