O-Lok® Plus 'Dry Technology' soft-sealed fittings provide leak-free connections for high pressure hydraulic systems. Now with increased pressures in the larger sizes, and with the new Flange Seal system for cost effective hose to tube connections. Corrosion resistance increased to 200 hours to white rust. Contamination and handling damage eliminated with individual packaging. Captive Oring Groove (CORG) as standard.


  • steel and stainless steel, brass on request


  • tube o.d. 6 to 50 mm (1/4" to 2")

Port Thread:

  • BSPP, metric ISO 6149 and DIN3852, UNF, NPTF

Nominal Pressure PN:

  • up to 630 bar

Nominal Pressure size 24:

  • up to PN 350 bar


  • ISO 8434-3, SAE J1453