Style A99 Specialgraf Braided Packing

Style A99 Specialgraf Braided Packing

Style A99 Specialgraf is braided from special expanded graphite tape, with a corrosion inhibitor and high temperature mesh reinforcement.

Main areas of application:

• Valves
• Pumps

Technical Data

• pH Range: 0 To 14
• Maximum service temperature: -200 to +400°C
 (650°C in steam)
• Pressure (Bar): 500


• Universal plantwide use in static applications
• Extrusion stability through ultrafi ne metal mesh reinforcement on each braiding strand
• Contains passive corrosion inhibitor
• Non-hardening, good reset capability, coefficient of thermal expansion similar to steel
• High temperature and high pressure resistance
• Easy to cut, assemble and disassemble
• Low coefficient of friction minimises valve spindle operating torque
• Rings should be compressed to a density of 1.8 during installation
• We recommend preformed rings are used where possible
• Suitable for power stations, petrochemical industry, boiler systems
• A99 has BAM approval for the use in oxygen at 60°C/25bar, certificate on request
A99 has API622 certification along with API 589 firesafe certification

Form of delivery

• This packing can be supplied from 4 to 30 mm square as well as in intermediate and imperial sizes
• 4 - 9 mm on 1 kg spool, special lengths, pre-cut or die formed rings on request
• 10 - 15 mm on 2.5 kg spool
• 16 mm and above on 5 kg spool

1kg of packing of the following cross-sections is equivalent to displayed metre lengths:

Documents to download

Product Gallery



Production Methods

Gee Graphite Website Gee Valve Seals Website Live Loading Website Waterjet Cutting

By Post

Gee Graphite Ltd.
Havelock Street
West Yorkshire
WF13 3LU


  • t. +44 (0) 1924 480011
  • f. +44 (0) 1924 480017
  • e.
  • w.