Valve seal Prädifa series EV | Product Series

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Outside Diameter (mm)

Inside Diameter (mm)

Element Height (mm)

Groove Width

Minimum Working Temperature (°C)

Maximum Working Temperature (°C)

Material - Seals

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Valve seal Prädifa series EV Valve seal Prädifa series EV

Valve seal Prädifa series EV

Where to Buy

Valve Seal for spool valves according ISO 5599

Technical Specifications

  • Media: Pneumatic
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)
  • Maximum Operating Pressure: 16 bar
  • Minimum Operating Temperature: -30 to -5 °C
  • Maximum Operating Temperature: 100 °C
  • Maximum Surface Speed: 1 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Pressure Rating: Pneumatic Pressure (< 16 bar)
Safety Warning

Full Product Description

The EV valve seal is a compact seal made of rubber elastomers and suitable for sealing spool valves in pneumatic valves.
Medium: compressed air, both service-lubricated and dry and oil-free (after initial lubrication on assembly).

• High temperature resistance in case of suitable compound selection.
• Excellent media resistance in case of suitable compound selection.
• Suitable compounds available for special requirements of the chemical process industry.
• Suitable compounds available for special requirements of the food processing industry.
• ISO 5599

Other customized valve seals are available at Parker Praedifa. Please contact our application engineering department.


Related Documents

Literature and Reference Materials
Installation Guidelines for Piston Seals--PTD3351
Storage and Cleaning of Elastomer Seals--PTD3032
Product Demos & Tutorials
How to Properly Store and Clean Elastomer Seals
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
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Products Outside Diameter (mm) Inside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (°C) Maximum Working Temperature (°C) Material - Seals
EV0815N3578 15.5 8 2.6 2.85 -30 100 N3578
EV1018N3578 18 10 2.8 3 -30 100 N3578
EV1212N3566 21 12 3 3.15 -5 100 N3566
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