Pull-type Expanders
With Integrated mandrel to insert the plug into the hole
- Operating pressures up to 500 bar / 7200 psi
- Short installation time
- Liberal pre-machining tolerance 0/+0.12mm
- Extended mandrels for deeper setting
The Sealing Plug with a Mandrel
Koenig pull type expanders are used to seal holes at challenging angles without needing to counterbore. Series SK have operating pressures up to 500 bar and Series LK have operating pressures up to 60 bar.
Pull type expanders feature a short installation length and liberal manufacturing tolerance of 0/+0.12 mm. They’re suitable for direct installation into hydraulic bores using convenient and efficient ExTools.
Series LK 950 Expander
Sleeve: Case hardened steel, Soft Annealed Gun Finish
Mandrel: Steel, Special Oil Film Lubrication
Series LK 600 | Expander
Sleeve: Stainless Steel, Special Oil Film Lubrication
Mandrel: Stainless Steel, Special Oil Film Lubrication
Pressure: Up to 60 bar
Series SK 552 Long Mandrel Expander
Sleeve: Case Hardened Steel, Gun Metal Finish
Mandrel: Heat Treatable Steel, Special Oil Film Lubrication
Series SK 550 Expander
Sleeve: Case Hardening Steel, Gun Metal Finish
Mandrel: Heat treatable steel, Special Oil Film Lubrication
