Piston sealing set Prädifa series M4 | #M4014000001


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Piston sealing set Prädifa series M4 | #M4014000001

Piston sealing set for hydraulic cylinders, single-acting. Large variety of working conditions.


Technical Specifications

  • Inside Diameter (mm): 115
  • Outside Diameter (mm): 140
  • Maximum Working Temperature (C): 100
  • Minimum Working Temperature (C): -40
  • Groove Width: 25.800
  • Element Height (mm): 25.1
  • Seal Material: Q5018
  • Media: Hydraulic
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)
  • Maximum Operating Pressure: 500 bar
  • Minimum Operating Temperature: -40 to -20 °C
  • Maximum Operating Temperature: 100 to 200 °C
  • Maximum Surface Speed: 0.5 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Pressure Rating: High Pressure (< 500 bar)
Safety Warning

Item Information

The M4 piston sealing set consists of a chevron packing with a pressure ring and a spacer ring. The seal’s profile is robust and suitable for harshest operating conditions. The choice of compound for the chevron allows this sealing set to be adapted to various operating conditions. For example, the chevron packing may also be supplied from a suitable rubber compound without fabric reinforcement for low-temperature or extremely high sealing requirements.

• Robust seal profile for harshest operating conditions.
• Insensitive to contamination of the operating medium or slight damage of the sliding surfaces compared with single-part seals.
• The seals can also be cut for installation, which eliminates the need for complete dismantling of the cylinder during maintenance or repair work.
• Insensitive to pressure peaks.
• High extrusion resistance.
• Excellent media resistance in case of suitable compound selection.
• Enables modifications of axial preload and/or readjustment by means of metal spacers (shims or screw rings).

Range of application:
Preferably for use with double-acting pistons in hydraulic cylinders.

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Where to Buy

Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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