Rod Seal XSRS04

Function:
Rod seals are designed to seal the pressurized hydraulic fluid against the atmosphere, preventing leakage and pollution of the environment.

Features:
  • Asymmetrical, single acting rod seal, designed with interference on the OD which provides a good static fit in the groove.
  • Dynamic sealing lip shorter than static lip to avoid drag pressure.
  • Increased preload due to an additional O-Ring.
  • Activated back-up ring prevents and reduces gap extrusion.
  • Excellent static and dynamic sealing performance.
  • Excellent performance in all pressure ranges.
  • Used for short, pulsating strokes.
  • No reverse leakage when changing direction.
  • Recommended for positioning or holding under pressure.

Application

  • Reciprocating rods in hydraulic cylinders, plungers, push rods, fittings, etc.
  • Switching or clamping functions.
  • Max. pressure 700 bar, max. speed 0.5 m/s.

Seal housing recommandation

Tolerances[mm]  
L < 10 mm
+ 0,2 
L ≥ 10 mm
+ 0,3 
∅ NA
H10 
∅ NI
f8 
 
Surface roughnessRtmax [ µ] Ra [ µ] 
Bottom of groove
≤ 6,3≤ 1,6
Face of groove
≤ 15≤ 3
 
Sliding surfaceRtmax [ µ] Ra [ µ] 
PU, elastormeres
≤ 2,5≤ 0,1 - 0,5
PTFE
≤ 2≤ 0,05 - 0,3

Installation

Snap-in installation.