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James Walker® Gaskets & Jointings > PTFE gaskets



  PTFE gaskets
Gore-Tex GR® Style R
 
DESCRIPTION
Expanded PTFE sheet material with high multi-directional strength, manufactured by WLGore& Associates using its patented process.

TYPICAL APPLICATIONS
Flanges on plant handling aggressive chemicals or high purity media. Ideal for rough or damaged flange faces, where excellent results can be achieved with limited bolt loads.
 
SPECIFICATIONS
Physiologically harmless in prolonged installation at temperatures up to +260°C according to VDI/VDE guidelines 2480. Complies to FDA 21 CFR 177.1550 (PTFE) requirements for food.
 
PRIME FEATURES
• Not subject to ageing – can be stored indefinitely.
• Resists all media in the range pH 0-14 except molten alkali metals and elemental flourine.
 
SERVICE CAPABILITIES
Maximum temperature +270°C (short excursions to +315°C)
Minimum temperature –240°C
Pressure range Vacuum to 210bar, depending on application
 
HOW SUPPLIED
As precision cut gaskets to any shape, size and quantity. In sheets 1.5m x 1.5m maximum. Thicknesses: 1.6mm, 3.2mm.