FRAENKISCHE ROHRWERKE Staro Threaded Coupling SM-E 25 Burnished (20250025)

Joining steel conduits in industrial or demanding environments often requires a connection that can withstand high temperatures, mechanical stress, and moisture. The FRAENKISCHE ROHRWERKE Staro Threaded Coupling SM-E 25 provides a robust, burnished steel solution for securely connecting 25 mm steel conduits. Its internal metric thread ensures a tight, reliable fit, while the burnished finish offers corrosion resistance and a sleek black appearance.

Who is it for

This coupling is intended for electricians, panel builders, and maintenance professionals who need to join rigid steel conduits in applications such as machinery, plant engineering, or outdoor installations where durability and protection are paramount.

Main features

• Compatible with 25 mm steel conduits
• Internal M25 metric thread on both ends for secure connection
• Burnished steel construction for corrosion resistance
• Black finish for a professional look
• High impact resistance for demanding environments
• Halogen-free material

Specifications

• Product type: Threaded coupling
• Conduit type compatibility: Steel conduit
• Nominal conduit size: 25 mm
• Thread size: M25
• Material: Steel
• Surface treatment: Burnished
• Colour: Black
• Protection class: IP67
• Temperature range: -45 °C to +250 °C
• Connection type: Internal thread (both ends)
• Standard compliance: DIN EN 61386-21
• Corrosion resistance: Yes
• Halogen-free: Yes
• RoHS compliant: Yes
• Impact resistance: High
• Installation method: Screw-in
• Application: Joining steel conduits

Tips

Ensure the conduit ends are clean and free of burrs before threading the coupling. Hand-tighten first, then use a suitable wrench to secure the connection without over-tightening, which could damage the threads.