OVERVIEW

Official designation: Haag + Zeissler Series SDF 1 (SDF 1 Series, Swivel Joint)

Role/Application: A robust, single-passage direct-flange swivel joint for low-speed swiveling or slow rotation, transferring fluid media in industrial pipelines up to 40 bar and 200 degrees C.

KEY SPECS SUMMARY

Power: N/A

Interfaces / Ports: Direct-flange swivel (DN 50 to DN 100)

Indicators: N/A

Operating Temp: Minus 20 to plus 200 degrees C

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

Limit: 40 bar max pressure, less than 1 rpm speed max (varies by size)

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary sealing material used in the SDF 1 swivel joint for its high temperature capability?

A: The standard sealing element is a PTFE-Compound-seal.

Wiring & Installation:

Q: What key internal components allow the SDF 1 joint to absorb external radial and axial forces?

A: Built-in ball guiding tracks, similar to ball bearings, absorb bending loads and axial thrust.

Troubleshooting & Compatibility:

Q: What is the compatibility range of media supported by the SDF 1 swivel joint under standard specifications?

A: The joint is compatible with water, air, steam, heat transfer oils, and hydraulic oils.

Replacement & Upgrades:

Q: Is the SDF 1 swivel joint suitable for high-speed continuous rotation applications exceeding 1000 rpm?

A: No; the SDF 1 is specifically designed for swiveling movements or very slow rotation, less than 1 rpm.