James Walker Gland packing / fat cord for Sealing with Aggressive Media Lionpak 5101

Pure dry PTFE packing with low friction capabilities
Lionpak 5101 is a braided packing comprising expanded graphite fibre, with 99% minimum purity, reinforced with a non-metallic filament. It is impregnated with James Walker’s proprietary high temperature, graphite-based dispersion to enhance sealability.

Lionpak 5101 is designed for use in valves as well as in pump applications including centrifugal pumps and rotary equipment.

For details of our full range of compression packings, download our compression packing guide document.

Prime features

• High integrity sealing over long operational periods.
• Excellent chemical resistance across a very wide temperature range.
• Lubrication system assists self-adjustment when the gland is tightened.

Typical applications
Centrifugal pumps, valves, dryers and reactors.
Suitable for use with superheated and saturated steam, gases, petrochemicals, hydrocarbons, hot oil, thermic fluid, acids and alkalis, solvents, organic chemicals, emissive fluids and nitrous oxide.

Please note that this packing is unsuitable for reciprocating duties.

Chemical properties
Compatible with media in the range pH 1-14, excluding strong oxidising agents.

Performance

• Maximum temperature: +550°C (+1022°F)
• Oxidising conditions: +450°C (+842°F)
• Minimum temperature: -200°C (-328°F)
• Maximum system pressure valves: 10 MPa/100 bar (1450 psi)
• Maximum system pressure centrifugal pumps and rotary equipment: 3.5 MPa/35 bar (508 psi)
• Maximum shaft speed centrifugal pumps and rotary equipment: 20 m/s (3937 fpm)

How supplied
All popular square sections from 3 mm to 50 mm (1/8″ to 2″) in boxes containing 8 m (26’ 3”), in coil form or on spools as detailed in the data sheet below.
Also supplied as split preformed rings and sets.