OVERVIEW

Official designation: Haag + Zeissler Series SJE (SJE Series, Large-Diameter Rotary Joint)

Role/Application: A large-diameter rotary joint for heavy-duty industrial fluid transfer in rotating systems, offering stability, high-strength 42CrMo4 steel construction, and accommodating low rotational speeds and medium pressures.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Flange connections, female/male thread

Indicators: N/A

Operating Temp: Minus 20 to plus 120 degrees C

Platform / Compatibility: High-strength steel (42CrMo4)

Limit: 40 bar (DN 300), 300 rpm max speed

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum pressure rating supported by the SJE series for the largest nominal bore size of DN 700?

A: The SJE large-diameter rotary joint supports a maximum operating pressure of 16 bar up to the DN 700 size.

Wiring & Installation:

Q: What are the key installation requirements concerning shaft alignment and support for the large-diameter SJE joint?

A: Proper, highly precise alignment is critical, and the joint requires suitable external support to manage the significant weight and size.

Troubleshooting & Compatibility:

Q: Is the SJE series compatible with specialized sealing materials required for abrasive or contaminated media?

A: Yes, the SJE series can be equipped with heavy-duty seal materials for use with contaminated or abrasive fluids.

Replacement & Upgrades:

Q: What is the recommended service interval or inspection schedule for the SJE series in continuous heavy-duty operation?

A: Refer to the latest manufacturer manual for the recommended service and inspection intervals based on operating conditions.