OVERVIEW

Official designation: Haag + Zeissler Series SJK (SJK Series, Heavy-Duty Rotary Joint)

Role/Application: A high-performance, single-passage rotary joint engineered for high-pressure fluid transfer, capable of sustaining continuous rotation and high speeds in demanding industrial applications like steel mills or paper machines.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Threaded connections (varies by size)

Indicators: N/A

Operating Temp: Minus 20 to plus 120 degrees C

Platform / Compatibility: 42CrMo4 steel housing

Limit: 350 bar (DN 25), 1500 rpm max speed

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum pressure rating for the DN 40 nominal size SJK rotary joint model?

A: The maximum operating pressure for the DN 40 size SJK rotary joint is rated at 315 bar.

Wiring & Installation:

Q: What types of fluids is the SJK rotary joint designed to reliably transfer under high pressure?

A: The joint is designed for high-pressure transfer of fluids including oil, water, and various hydraulic fluids.

Troubleshooting & Compatibility:

Q: What specific material is used for the housing construction of the heavy-duty SJK series?

A: The SJK series housing is constructed from high-strength 42CrMo4 steel for durability and high-pressure resistance.

Replacement & Upgrades:

Q: Are repair kits or replacement components available for the SJK series to extend its service life?

A: Yes, the manufacturer provides seal and bearing repair kits for field maintenance and extended service life.