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Description
A high-purity white packing, cross-plaited from tough thermally stable PTFE fibre yarn. The product is impregnated and densified with particles of PTFE, then cleaned of all organic matter and volatile content.
Typical applications
The purity of Filament D allows it to be used as a valve packing for oxygen services, potable water and food applications. It is also suitable for low speed reciprocating pumps handling chemicals.
Specifications
Prime features
Chemical properties
Compatible with media in the range pH 0-14, including corrosive acids and alkalis.
Service capabilities - valve stem duties
Maximum operating temperature: +250°C.
Minimum operating temperature: -100°C.
Maximum system pressure: 250bar.
Service capabilities - reciprocating pumps and rams
Maximum operating temperature: +250°C.
Minimum operating temperature: -100°C.
Maximum rod speed: 0.5m/s.
Maximum system pressure: 50bar.
How supplied
Ex-stock: all popular square sections from 3mm to 25mm, boxed in 8m lengths. Also supplied as split preformed rings and sets. Full fitting instructions are included.
Click here to download the Compression Packing Guide pdf (2.17MB)
