Wiper, Type AS 01

The wiper type AS 01 consists of an PTFE profile ring and an O-ring as a preload element. The wiper function is taken over by the PTFE profile ring with the seal lip of the profile ring wiping impurities from the retracting piston rod.

These wipers are suitable for use with mineral oil-based hydraulic liquids, environment-friendly bio-oils and water and even with flame-resistant hydraulic liquids and air. The wipers provide very good gliding behavior and stick-slip free running, good dry-running properties and high wear resistance.

Application media

  • Mineral oil-based hydraulic liquids
  • Water
  • Air
  • Environment-friendly bio-oils
  • Flame-resistant hydraulic liquids
  • Other media, depending on the O-ring material

Application range

Speed: approx. up to 15 m/s

Temperature: – 30 °C to + 200 °C (depending on the O-ring material)

Surface finish

Roughness depthRaRt
Running surface≤ 0,3 µm≤ 3,0 µm
Groove base≤ 1,6 µm≤ 16,0 µm
Groove flank≤ 1,6 µm≤ 16,0 µm

Installation dimensions

Rods øD
Standard version
Groove base ø DCollar diameter ø D1Groove width L+0,2Radius RX min.O-ring thickness ø
15,0 – 64,9ød + 6,8ød + 3,55,00,72,02,62
65,0 – 250,9ød + 8,8ød + 4,06,01,03,03,53
251,0 – 420,9ød + 12,2ød + 4,58,41,23,05,33
421,0 – 650,9ød + 16,0ød + 5,211,01,54,07,0
651,0 – 900,0ød + 20,0ød + 6,614,01,55,08,4

PTFE profile ring material

PTFE + bronze

The standard for hydraulic applications, good gliding behavior, particularly pressure and abrasion resistant, cannot be used in aqueous solutions or acids

PTFE + Glass-MoS2

Particularly wear and abrasion resistant, can be used even with poorly lubricating pressure media, in water and also in water-oil emulsions

PTFE + carbon

Exceptional resistance to abrasion and extrusion; can be used in water-hydraulics

For other possible materials see our overview of PTFE materials in the technical information section.

O-ring material

Nitrile rubber NBR: Temperature range − 30 °C to + 120 °C
Fluororubber FPM: Temperature range − 25 °C to + 200 °C

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