Rod sealing set Prädifa series CR, Caveseal® | Product Series

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Diámetro interior (mm)

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Temperatura mínima de servicio (C)

Temperatura máxima de servicio (C)

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Rod sealing set Prädifa series CR, Caveseal® Rod sealing set Prädifa series CR, Caveseal®

Rod sealing set Prädifa series CR, Caveseal®

Puntos de venta

Rod seal, double-acting, PTFE slipper seal design. Low friction. Suitable for o-ring grooves. For limited dynamic conditions.

Especificaciones técnicas

  • Tipo de aplicación térmica: High Temperature (< 205°C), Expanded Low and High Temperature (< -35 to 140°C), Standard Moderate Temperature (-35 to 100°C)
  • Medio: Hydraulic
  • Opciones de material de polímero: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®), Ultra-High Molecular Weight Polyethylene (UHMW-PE)
  • Presión de trabajo máxima: 160 bar
  • Temperatura mínima de funcionamiento: -200 to -25 °C
  • Temperatura máxima de funcionamiento: 80 to 230 °C
  • Velocidad de corte máxima: 4 m/sec
  • Unidad de medida: Length: mm
  • Mecanismo de amortiguación: No
  • Rango de presión: Low Pressure (< 160 bar) bar
Safety Warning

Descripción completa del producto

The CR double-acting rod sealing set featuring a Caveseal design consists of a PTFE rod sealing ring and an elastomer O-ring as a preloading element. The sealing set is suitable for dynamic applications as an alternative to an O-ring in situations requiring optimum sealing performance and friction. The Caveseal design enables installation in smallest grooves.
Due to the material combination of the slipper ring (PTFE) and the O-ring (elastomer), this product is suitable for a wide range of applications, especially for aggressive media and/or high temperatures. An extensive selection of materials is available for specific application profiles.

• Good sealing performance in extremely small assembly conditions.
• Excellent wear resistance.
• Minimal break-away and dynamic friction and no stick-slip tendency ensures uniform motion even at low speeds.
• Good energy efficiency due to low friction.
• Assembly on one-part piston is possible.
• High temperature resistance assured by suitable O-ring compound selection.
• Adaptable to nearly all media thanks to high chemical resistance of the sealing ring and large O-ring compound selection.
• Short axial assembly length.
• Short radial assembly depth.
• Installation in closed and undercut housings.
• Available in diameters from 4 to 4500 mm.
• Can be used in existing O-ring grooves.
• Additional sizes of machined products available on short notice.

Range of application:
The CR rod sealing set has been designed to replace standard O-rings. For dynamic applications we recommend our OA product series for pneumatic applications and ON or OE for hydraulic applications.

The CR rod sealing set is available in the following compounds:
07401 - Industrial applications
314 - Heavy-duty
07402 - High temperatures
07403 - Low temperatures
07404 - General-purpose

Documentos relacionados

Literature and Reference Materials
PTFE Seals Design Guide--PTD3354
Caveseal--Rod sealing set CR--PTD3354
Installation Guidelines for SlipperSeals® - Rod Seals--PTD3354
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
Communities, Blogs & Industry Links
Sealing solutions for the mobility of the future
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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
CR063001207401D 63 72.4 7.1 7.1 -30 110 Polytetrafluorethylene additives
CR095001207401D 95 104.4 7.1 7.1 -30 110 Polytetrafluorethylene additives
CR110001207401D 110 119.4 7.1 7.1 -30 110 Polytetrafluorethylene additives
CR115001207401D 115 124.4 7.1 7.1 -30 110 Polytetrafluorethylene additives
CR120001207401E 120 132.2 9.5 9.5 -30 110 Polytetrafluorethylene additives
CR007005207401A 7 9.9 2.4 2.4 -30 110 Polytetrafluorethylene 40% bronze
CR012001207401B 12 16.5 3.6 3.6 -30 110 Polytetrafluorethylene additives
CR018031407401A 18 20.9 2.4 2.4 -30 80 Ultra High Molecular Weight Polyethylene
CR008001207402A 8 10.9 2.4 2.4 -25 200 Polytetrafluorethylene additives
CR014001207402B 14 18.5 3.6 3.6 -25 200 Polytetrafluorethylene additives
CR030001207402C 30 36.2 4.8 4.8 -25 200 Polytetrafluorethylene additives
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