Piston sealing set Prädifa series M4 | Product Series

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Diámetro interior (mm)

Diámetro exterior (mm)

Altura del elemento (mm)

Ancho de la ranura

Temperatura mínima de servicio (C)

Temperatura máxima de servicio (C)

Material de la junta

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Piston sealing set Prädifa series M4 Piston sealing set Prädifa series M4

Piston sealing set Prädifa series M4

Puntos de venta

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

Especificaciones técnicas

  • Tipo de aplicación térmica: High Temperature (< 205°C), Standard Moderate Temperature (-35 to 100°C)
  • Medio: Hydraulic
  • Opciones de material de polímero: Nitrile Butadiene Rubber (NBR, XNBR), Fluorocarbon Rubber (FKM, FPM)
  • Presión de trabajo máxima: 500 bar
  • Temperatura mínima de funcionamiento: -40 to -20 °C
  • Temperatura máxima de funcionamiento: 100 to 200 °C
  • Velocidad de corte máxima: 0.5 m/sec
  • Unidad de medida: Length: mm
  • Mecanismo de amortiguación: No
  • Rango de presión: High Pressure (< 500 bar)

Descripción completa del producto

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.

Documentos relacionados

Literature and Reference Materials
Installation Guidelines for Piston Seals--PTD3350
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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Productos Diámetro interior (mm) Diámetro exterior (mm) Altura del elemento (mm) Ancho de la ranura Temperatura mínima de servicio (C) Temperatura máxima de servicio (C) Material de la junta
M4005000001 35 50 11 11.5 -40 100 Q5018
M4006300001 48 63 12.5 13 -40 100 Q5018
M4008000001 60 80 14.5 15.200 -40 100 Q5018
M4010000001 80 100 20.3 21.2 -40 100 Q5018
M4012500001 100 125 25.1 25.800 -40 100 Q5018
M4014000001 115 140 25.1 25.800 -40 100 Q5018
M4016000001 130 160 28 29 -40 100 Q5018
M4025000001 220 250 32.5 33.5 -40 100 Q5018
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