Product detailed description

Merkel U-Ring AUN 1 is a polyurethane U-cup seal with a symmetrical profile, usable as a single-acting piston or rod seal. It is intended mainly for spare parts and repairs of hydraulic cylinders.

Application: Special cylinders, agricultural machinery, cranes, injection moulding machines, loading platforms, standard hydraulic cylinders.

Technical parameters: material polyurethane 94 AU 925 (94 Shore A), pressure up to 20 MPa, speed up to 0.5 m/s, temperature −30 °C to +110 °C in HL/HLP hydraulic oils and mineral lubricating greases, HFA/HFB +5 to +50 °C, HFC −30 to +40 °C, water +5 to +40 °C, HETG −30 to +60 °C, HEES −30 to +80 °C, HEPG −30 to +40 °C. Tolerances: rod d f8, bore D H11 (for piston d h11).

Size: inner diameter d 25 mm, outer diameter D 40 mm, seal height H 11 mm, body height H1 7.5 mm, groove width L 12 mm (+0,2), lead-in chamfer C 5.5 mm.

Dimensions: 25x40x11, 25-40-11, 25/40/11, 25 x 40 x 11 mm.

Also searched as: U-cup, seal, U-cups, seals, hydraulic U-cup, hydraulic seal, Manschette, Dichtung, universal U-cup seal, symmetrical U-cup, U-cup seal, U-ring, rod and piston seal, Nutring, AUN, AUN 1, AUN1, Merkel, Simrit, Freudenberg, PU, polyurethane, AU.

Manufacturer designation: AUN25-26, AUN 1 25x40x11, Article No. 11853.