Rod seal Prädifa series HL, Ultrathan® | Product Series

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Rod seal Prädifa series HL, Ultrathan® Rod seal Prädifa series HL, Ultrathan®

Rod seal Prädifa series HL, Ultrathan®

Rod seal for hydraulic cylinders, single-acting. Friction-optimized U-cup design with cascading dynamic sealing edges.

Especificações técnicas

  • Tipo de aplicação térmica: High Temperature (< 205°C), Standard Moderate Temperature (-35 to 100°C), Low Temperature (< -35 C)
  • Mídia: Hydraulic
  • Opções de materiais de polímeros: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Pressão máxima de operação: 250 bar
  • Temperatura mínima de operação: -45 to -35 °C
  • Temperatura máxima de operação: 85 to 110 °C
  • Velocidade máxima de superfície: 1 m/sec
  • Unidade de medida: Length: mm
  • Mecanismo de amortecimento: No
  • Classificação de pressão: Medium Pressure (< 250 bar) bar

Descrição completa do produto

The HL Ultrathan® rod seal is a friction-optimized sealing solution for mobile and stationary hydraulics featuring a unique functional principle. The single-acting rod seal with interference fit on the outer diameter has pressure-activated, cascading sealing edges for clearly reduced static and dynamic friction in hydraulic cylinders and higher effectiveness of hydraulic systems.

• Minimal break-away and dynamic friction and no stick-slip tendency ensures uniform motion even at low speeds.
• No stick-slip tendency in case of low sliding speeds.
• Low break-away and dynamic friction, even after prolonged standstill under high pressure.
• Constantly low dynamic friction throughout the part's service life.
• Insensitive to pressure peaks.
• Improved lubrication due to pressure medium deposit in the dynamic contact area.
• High extrusion resistance.
• 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.
• Dimensions according to ISO 5597.
• Short axial assembly length.
• Installation in closed and undercut housings.
• Low compression set.
• Further dimensions of machined series with short lead times available.

Range of application:
Mainly for applications with increased requirements regarding friction and sliding behaviour in mobile and stationary hydraulics. The dimensions mainly conform to the requirements of ISO 5597 for housing and diameters respectively.

Documentos relacionados

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Produtos Diâmetro interno (mm) Diâmetro externo (mm) Altura do elemento (mm) Largura do sulco Temperatura mínima de trabalho (C) Temperatura máxima de trabalho (C) Material de vedação
HL2028P6030 20 28 4.5 5 -35 110 P6030
HL2230P6030 22 30 4.5 5 -35 110 P6030
HL2533P5008 25 33 4.5 5 -35 100 P5008
HL2533P6030 25 33 4.5 5 -35 110 P6030
HL3040P6030 30 40 5.7 6.3 -35 110 P6030
HL3242P6030 32 42 5.7 6.3 -35 110 P6030
HL3545P6030 35 45 5.7 6.3 -35 110 P6030
HL4050P6030 40 50 5.7 6.3 -35 110 P6030
HL4555P6030 45 55 5.7 6.3 -35 110 P6030
HL5060P6030 50 60 5.7 6.3 -35 110 P6030
HL5666P6030 56 66 6.5 7.5 -35 110 P6030
HL6575P6030 65 75 7 8 -35 110 P6030
HL3747P6030 37 47 5.7 6.3 -35 110 P6030

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