API 622 packing GR8622 Low Emissions

Expanded graphite packing GR8622

Features

API 622 packing approved.
The gland packing GR8622 it’s a special expanded graphite Sigraflex® braided sealing for valves. These yarns guarantee a very low weight loss (requirement EN 14772, section 6.7) and great sliding property.
The compression packing GR8622, which meets the Low Emission API 622 requirements, preserves for a long time the recovery and the sealing performance without retightening. The graphite strands are Inconel® wire and impregnated with colloidal graphite and special compounds

Composition

Flexible expanded graphite Sigraflex® Inconel® wire
Special compound

Applications

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


Download MSDS
 P barIbf/in2Vm/Sf/pmpHT°C°F
500750012000 ÷ 14(3)-200 ÷ 450(1) / 650(2)-330 ÷ +850(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
sezione mmsezione inchkg/boxlbs/boxmt/boxft/boxmt/kgft/lbs
31/812.274.124374.1110.3
4-12.241.713741.762.1
53/1612.226.78726.739.7
6-2.55.546.315218.527.6
6.51/42.55.539.412915.823.5
85/162.55.5268510.415.5
9.53/82.55.518.5617.411
10-2.55.516.7556.79.9
117/162.55.513.8455.58.2
12-2.55.511.6384.66.9
12.71/22.55.510.3344.16.2
149/1651117563.45.1
165/851113432.63.9
17.511/1651110.9362.23.2
18-51110.3342.13.1
193/45119.2301.82.8
227/85116.9231.42.1
25.515115.11711.5
(1) Packaging +/- 10 % in weight
(2) Customized sizes and packaging are available on demand