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2234.353 ms / 390.6185 ms / 1828.111 ms /
Overview of types
PN 029295
Material: PU 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 2 m/s
Design: Single-acting
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PU wiper is suitable for hydraulics and mobile hydraulics. Reinforced profile on
on the outside increases the wiping force on the piston rod. Installation in axially semi-closed groove.
Rubena brand (CZ).
Shape identical to type: AE 47 (PU), AE 41 (NBR)
Alternative designations: A834, V2, A01PU, DA101PU Seal Jet
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AE 47
Material: PU 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 2 m/s
Design: Single-acting
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PU wiper is suitable for hydraulics and mobile hydraulics. Reinforced profile on
on the outside increases the wiping force on the piston rod. Installation in axially semi-closed groove.
Shape identical to type: PN 029295 (PU), AE 41 (NBR)
Alternative designations: A834, V2, A01PU, DA101PU Seal Jet
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AE 41
Material: NBR 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 4 m/s
Design: Single-acting
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The NBR wiper is suitable for hydraulics. Excellent wiping in non-abrasive environments
and is also suitable for rods with high speed and acceleration. Reinforced profile on the outer
on the outside increases the wiping force on the piston. Installation in an axially semi-closed groove.
Shape identical to type: PN 02 9295 (PU), AE 47 (PU)
Alternative designations: A34, A01NBR, DA101NBR Seal Jet
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AE 40
Material: NBR 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 4 m/s
Design: Single-acting
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The NBR wiper is suitable for hydraulics. Excellent wiping in non-abrasive environments
and is also suitable for rods with high speed and acceleration. Installation in axial
semi-closed groove.
Shape identical to type: AE 42 (PU)
Alternative designations: A31, A02NBR, DA102NBR Seal Jet
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AE 42
Material: PU 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 2 m/s
Design: Single-acting
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PU wiper suitable for hydraulics and mobile hydraulics. Installation in axially
semi-closed groove.
Shape identical to type: AE 40 (NBR)
Alternative designations: A38 (PES), A831, A02PU, DA102PU Seal Jet
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AM 43
Material: NBR 90
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 1 m/s
Design: Single-acting
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The NBR wiper wipes excellently in non-abrasive environments. It is suitable for hydraulics
and for rods with high speed or acceleration. Outer diameter of the wiper body
is reinforced with a metal casing. Installation in an axially open groove.
Shape identical to type: AM 44 (PU)
Alternative designation: A37, DA103NBR Seal Jet
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AM 44
Material: PU 95
Application: hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 2 m/s
Design: Single-acting
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PU wiper suitable for hydraulics and mobile hydraulics. Outside body diameter
of the wiper is reinforced with a metal casing. Installation in an axially open groove.
Shape identical to type: AM 43 (NBR)
Alternative designation: A860, A03, DA103PU Seal Jet
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AD 48
Material: PU 95
Use: Hydraulic piston rod wiper
Operating temperature: -40 °C to +100 °C
Feed speed: ≤ 1 m/s
Design: Double-acting
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The wiper includes a second wiper blade that forms an auxiliary sealing cuff.
This reduces leakage of the residual lubricant layer. Installation in an axially semi-closed groove.
Alternative designations: A839, A11PU, DA211PU Seal Jet |
AD 60
Material: PTFE + O-ring NBR 70
Application: hydraulic wiper and tire piston rod
Operating temperature: -30 °C to +100 °C
Feed speed: ≤ 15 m/s
Design: Double-acting
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It has two wiping edges to wipe away dirt. The PTFE material is also suitable for tyres,
hydraulics and for short stroke, high speed rods
and feed frequency. Installation in axially closed grooves.
Interchangeable with type: AD 61 (PTFE)
Alternate designation: A335, DA116PTFE Seal Jet
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AD 61
Material: PTFE + O-ring NBR 70
Application: hydraulic wiper and tire piston rodOperating temperature: -30 °C to +100 °C
Feed speed: ≤ 15 m/sDesign: Double-acting
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It has two wiping edges to wipe away dirt. The PTFE material is also suitable for tyres,
hydraulics and for short stroke, high speed rods
and feed frequency. Installation in axially closed grooves.
Interchangeable with type: AD 60 (PTFE)
Alternate designation: A27-F, DA118PTFE Seal Jet
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How to choose?
When selecting, it is necessary to assess the degree of pollution in the working environment, the operating
temperature and the size of the existing groove. For demanding mobile hydraulics, the
Wiper made of durable polyurethane. For stable hydraulics in clean environments and for
tyre, a wiper made of NBR material is suitable due to its pliability.
If you use a ring with excellent abrasion resistance, you must also use a high quality
piston rod seals, which, like the ring, allow a minimum oil film to pass through.
- Find out the shape of the existing groove
- What is the max. feed rate?
- Use PU material for hydraulics, or NBR in clean environments
- For the tyre, use a more pliable NBR material
Material properties
PU
PU wiper rings are primarily designed for use in hydraulics. In comparison
NBR material, PU has a higher durability and a lower quality of abrasion. Resistance
PU ensures a long service life of the wiper rings, for example when used in mobile
hydraulics, where they may be exposed to heavier contamination.
Operating temperature -40 to +100 °C.
NBR
Wiper rings made of NBR are suitable for hydraulic and pneumatic systems. Should
should operate in a relatively clean environment. Compared to PU wiper rings
they exhibit better abrasion quality, but at the expense of faster wear in abrasive
environment. NBR rings are also suitable for high speed and acceleration rods.
Operating temperature -40 to +100 °C.
PTFE
PTFE wiper rings are suitable for pneumatic or hydraulic systems
operating in relatively clean environments without coarse abrasives. Due to the good
PTFE wiper rings are suitable for short stroke pistons,
high feed rates and high stroke frequencies.
Operating temperature -30 to +100 °C.