API 622 Packing GR8622
Features
API std 622 3rd Edition packing approved.
The gland packing GR8622 is made with pure flexible graphite and it's specific for Industrial Valves Low Emission Services. The special configuration, where the yarns guarantee a very low weight loss and great sliding property, preserves for long time the recovery and the sealing performance without retightening.
Composition
Pure reinforced flexible graphite
Special compounds
Applications
GR8622 is specific for Industrial Valves Low Emission service, suitable also for HP/HT applications.
Download DSDownload MSDS
| P bar | Ibf/in2 | Vm/S | f/pm | pH | T°C | T°F | |
 | 500 | 7500 | 1 | 200 | 0 ÷ 14(3) | -200 ÷ 450(1) / 650(2) | -330 ÷ +850(1) / 1200(2) |
(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 mm | sezione inch | kg/box | lbs/box | mt/box | ft/box | mt/kg | ft/lbs |
| 3 | 1/8 | 1 | 2.2 | 74.1 | 243 | 74.1 | 110.3 |
| 4 | - | 1 | 2.2 | 41.7 | 137 | 41.7 | 62.1 |
| 5 | 3/16 | 1 | 2.2 | 26.7 | 87 | 26.7 | 39.7 |
| 6 | - | 2.5 | 5.5 | 46.3 | 152 | 18.5 | 27.6 |
| 6.5 | 1/4 | 2.5 | 5.5 | 39.4 | 129 | 15.8 | 23.5 |
| 8 | 5/16 | 2.5 | 5.5 | 26 | 85 | 10.4 | 15.5 |
| 9.5 | 3/8 | 2.5 | 5.5 | 18.5 | 61 | 7.4 | 11 |
| 10 | - | 2.5 | 5.5 | 16.7 | 55 | 6.7 | 9.9 |
| 11 | 7/16 | 2.5 | 5.5 | 13.8 | 45 | 5.5 | 8.2 |
| 12 | - | 2.5 | 5.5 | 11.6 | 38 | 4.6 | 6.9 |
| 12.7 | 1/2 | 2.5 | 5.5 | 10.3 | 34 | 4.1 | 6.2 |
| 14 | 9/16 | 5 | 11 | 17 | 56 | 3.4 | 5.1 |
| 16 | 5/8 | 5 | 11 | 13 | 43 | 2.6 | 3.9 |
| 17.5 | 11/16 | 5 | 11 | 10.9 | 36 | 2.2 | 3.2 |
| 18 | - | 5 | 11 | 10.3 | 34 | 2.1 | 3.1 |
| 19 | 3/4 | 5 | 11 | 9.2 | 30 | 1.8 | 2.8 |
| 22 | 7/8 | 5 | 11 | 6.9 | 23 | 1.4 | 2.1 |
| 25.5 | 1 | 5 | 11 | 5.1 | 17 | 1 | 1.5 |
(2) Customized sizes and packaging are available on demand