3R799

Carbon-graphite

The 3R 799 packing is made from pure interlocked carbon yarns and is impregnated with a lubricant and graphite particles which fill voids. The end product has a low coefficient of friction.

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Applications

In service, it seats quickly and does not require extensive break-in adjustments. The 3R 799 is commonly used for high speed pumps, blowers, dryers, high temperature valves and furnace gasketing. It handles water, steam, boiler feed, and aqueous solutions of acids and alkalis.

Specifications

Service limits

Minimum temperature -240°C (-400°F)
Maximum temperature 450°C (840°F)
Steam 650°C (1200°F)
Pressure
Rotating 365 psi (25 bar)
Reciprocating 1450 psi (100 bar)
Static 4350 psi (300 bar)
Shaft Speed 4000 fpm (20m/s)
pH 0-14 (except strong oxidizers)

Approximate yields - Feet per pound (+/- 10%)

1/8" 87.5
3/16" 42.5
1/4" 27.1
5/16" 16.4
3/8" 12.8
7/16" 8.6
1/2" 6.8
9/16" 5.1
5/8" 4.4
3/4" 3.2
7/8" 2.2
1" 1.7
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.