Stem Packing PGT3 GR8622 API std 622 3rd Edition approved

Valve Packing PGT3 GR8622

Features

API std 622 3rd Edition packing approved.
PGT3 GR8622 it’s a special 5 formed rings sealing flexible graphite APX packing. The yarns guarantee a very low weight loss (according to EN 14772, section 6.7) and great sliding properties. PGT3 GR8622 guarantees for long time great recovery and do not need retightening.

Composition

Full braided packing kit of pure flexible graphite strands knitted wire, impregnated with colloidal graphite and special compounds

Applications

PGT3 GR8622 is specific for Industrial Valves Low Emission service, suitable also for HP/HT applications.

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P barIbf/in2Vm/Sf/pmpHT °CT °F
500750024000÷14(3)-200 ÷ 450(1) / 650(2)-328 ÷ 840(1) / 1200(2)

(1) Temperature has to be lower than 450°C with mild oxidizers and hot air
(2) With Steam
(3) Avoid the strong oxidizers
(4) Avoid the product's use at the maximum temperature and pressure associated values without consult the manufacturer