SNI 72

Description
Product group: Rod seal
Design: NI asymmetrical u-ring with inner main sealing lip
Profile no.: 72
Specification: E suitable for one-sided pressure load
Model: STI inner back-up     ring
Seal material: TPU 90 3001
Back-up ring: POM

Operational application limits
Pressure (MPa): ≤ 40
Temperature (°C): -30 to +100
Running speed (m/s): ≤ 0.5

Media
Hydraulic oils acc. to DIN 51524 Part 1 – 3, lubricating oils, mineral oil based lubricating greases, highly non-flammable hydraulic fluids HFA, HFB, HFC acc. to VDMA 24317

Function
The SNI 72 u-ring consists of a TPU seal body and a POM back-up ring. The SNI 72 u-ring is a single-acting rod seal with an asymmetrical design. The semi-active back-up ring on the inner diameter prevents gap extrusion on the side facing away from the pressure.