Product details


№4420 Insulation gasket
PILAFLON™ PTFE jacketed gasket

Features / Specifications

Product code



Pressure-fitting type
Soft filler: RF type
Jacket: RF type

Product information

The PTFE tape is coated on inside of the soft filler, and heat-sealed in one place. This gasket is used for parts with φ200 or larger diameter and deformed parts.

Taking advantages of the chemical resistance of PTFE, sealability and elasticity of the soft filler, this gasket exhibits excellent performance.

Main constituent materials

PTFE and asbestos-free joint sheet

Main applications

Various pipes and connecting parts requiring insulation


Maximum pressure: 2.0 to 5.4 MPa, Temperature: -80 to +120°C, Gasket factor: 2.5 to 3, Minimum stress in tightening: 19.6 to 29.4N/mm2, Insulation resistance: 10^13Ω

Product category

Gaskets/Sheet gaskets
Fluororesin products/Insulation bolts & gaskets

General Catalogs

PILLAR Insulation Material Series PILAFLON PTFE Envelope Gasket


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