Flange seal Prädifa series NLF, FlexiSeal® | Product Series

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Diámetro exterior (mm)

Diámetro interior (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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Flange seal Prädifa series NLF, FlexiSeal® Flange seal Prädifa series NLF, FlexiSeal®

Flange seal Prädifa series NLF, FlexiSeal®

Flange seal. Internal pressure. Static and dynamic. FlexiSeal. Spring-energized PTFE seal. Low assembly force. High deflection range permissible.

Especificaciones técnicas

  • Medio: Hydraulic
  • Opciones de material de polímero: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Presión de trabajo máxima: 350 bar
  • Temperatura mínima de funcionamiento: -190 °C
  • Temperatura máxima de funcionamiento: 230 °C
  • Velocidad de corte máxima: 5 m/sec
  • Unidad de medida: Length: mm
  • Mecanismo de amortiguación: No
  • Tipo de aplicación térmica: Expanded Low and High Temperature (< -35 to 140°C)
  • Rango de presión: Medium Pressure (< 250 bar)
  • Presión de trabajo: Internal Pressure
  • Diámetro exterior: 17.5 to 139 mm
  • Diámetro interior: 12.7 to 120 mm

Descripción completa del producto

The NLF product series features a FlexiSeal® design with a cantilever spring and is ideally suited for flange sealing in medium-pressure applications. It seals the pressure gradient from inside to outside. It is the preferred choice for applications in which only limited assembly forces are permissible or which require compensation for larger gaps between sealing areas. It is also suitable for applications with minor movements caused by vibrations. The NLF series is characterized by extremely high temperature resistance and chemical resistance.

• Cantilever spring for low sealing load and high compliance to long-term flange separation.
• Many high-resilience energizer options available, including choice of light, medium and heavy loads and NACE for oil field use.
• Available with silicone filling for food and drug applications.

Range of application:
Flange sealing in medium-pressure applications, pressure gradient from inside to outside. Minor dynamics permissible.

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NLF-M006570-03-009-2 65.7 56.1 3.07 3.07 -190 230 Polytetrafluorethylene additives
NLF-M007500-02-001-4 75.0 67.8 2.26 2.26 -190 230 Polytetrafluorethylene
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NLF-M008200-02-005-4 82.0 74.8 2.26 2.26 -190 230 Polytetrafluorethylene additives
NLF-M008340-03-009-2 83.4 73.80000000000001 3.07 3.07 -190 230 Polytetrafluorethylene additives
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NLF-M026850-04-009-2 268.5 254.3 4.72 4.72 -190 230 Polytetrafluorethylene additives

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