Description

High purity exfoliated graphite ribbons,

plaited into a flexible length-form packing

for convenient on-site maintenance.

Typical applications

High speed rotary pumps handling water

or slurry in pulp and paper processing.

Also a general purpose valve stem

packing for steam and chemical

processing duties.

Prime features

●

Excellent chemical resistance across

very wide temperature range.

●

Replaces moulded graphite foil sealing

rings.

●

Flexible and compressible.

●

Easy to install – no special tools

needed.

●

Reduces stockholding requirements.

Chemical properties

Chemically inert within the range pH 0-14,

excluding

strong oxidising agents.

Negligible volatile content. Low in

extractable trace impurities such as

chloride and sulphur.

Service capabilities

Valve stem duties

Maximum temperatures

Steam +550°C

Oxidising conditions +450°C

Non-oxidising +850°C

Minimum temperature –200°C

Max system pressure 100bar

Centrifugal pumps & rotary

equipment

Operating temperatures

As valve stem

Maximum shaft speed 25m/s

Max system pressure 25bar

How supplied

Ex-stock: all popular square sections from

3mm upwards, boxed in 8m lengths. Also

supplied as split preformed rings and

sets. Full fitting instructions are included.

Supagraf

®

RibbonPak

High rotary speeds with aggressive

media