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Hydraulic Seals

PU Wiper Seal (Dust Seal)

PU wiper seals (dust seals) are installed on the external side of hydraulic cylinders to scrape off dirt, dust, and moisture from the rod surface before it enters the cylinder. The durable polyurethane material ensures long-lasting wiping performance, protecting internal seals and extending cylinder service life. Essential component for hydraulic equipment operating in harsh environments.

Standard and custom dimensions Material options for process conditions OEM / ODM and distributor supply
Primary material Polyurethane (PU)
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Reference specifications

Product data

Values below are a reference starting point. Confirm the final compound, dimensions and test requirements for your operating conditions.

MaterialPolyurethane (PU)
Hardness (Shore A)90-95
Temperature Range-30°C to +100°C
Pressure RangeLow pressure (wiper function)
SpeedUp to 1.0 m/s
StandardGB/T 10708.3 / ISO 6194
ApplicationHydraulic cylinders, excavators, loaders, outdoor equipment

Application fit

Typical industries and related products

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Construction EquipmentIndustrial MachineryEnergy

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