Valve Packing GR80SGR

Expanded Graphite Packing GR80SGR

Features

The Gland Packing GR80SGR is braided with flexible expanded graphite strands Sigraflex®, impregnated one by one with a special compound of colloidal graphite, reach of passive inhibitor of corrosion and solid lubricants. This packing guarantees a very low weight loss (requirement EN 14772, section 6.7) and great sliding property. GR80SGR, that meets the Low Emission VDI 2440 requirements, is able to preserve for a long time the recovery and the sealing performance without retightening.

Composition

The graphite packing GR80SGR EVOLUTION is made with pure expanded graphite Sigraflex® Inconel® wire reinforced and impregnated with special compound of graphite, passive inhibitor of corrosion and solid lubricants.

Applications

Valve Packing

 AP barIbf/in2Vm/Sf/pmpHT°C°F
50075002,04000 ÷ 14(3)-200 ÷ 450(1) / 650(2)-328 ÷ 840(1) +1200 (2)
10015001,53000 ÷ 14(3)-200 ÷ 450(1) / 650(2)-328 ÷ 840(1) +1200 (2)
    

A
(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
31/812.285.5280.485.5127.3
4-12.248.1157.748.171.6
53/1612.230.8100.930.845.8
6-2.55.553.4175.321.431.8
6.51/42.55.545.5149.318.227.1
85/162.55.53098.61217.9
9.53/82.55.521.369.98.512.7
10-2.55.519.263.17.711.5
117/162.55.515.952.16.49.5
12-2.55.513.443.85.38
12.71/22.55.511.939.14.87.1
149/1651119.664.43.95.8
165/85111549.334.5
17.511/1651112.641.22.53.7
18-51111.938.92.43.5
193/451110.7352.13.2
227/85117.926.11.62.4
25.515115.919.41.21.8
(1) Packaging +/- 10 % in weight
(2) Customized sizes and packaging are available on demand