Packings for valves: GR 4400
Properties
GR 4400 is 98% pure graphite twisted and braided packing with diagonal four ways pattern
and supporting edges. Impregnated yarn by yarn with pure graphite powder. Self-lubricating. Designed for
high thermal conductivity and a low coeffici...
- FOR VALVES AND PUMPS
- SUITABLE FOR HIGH TEMPERATURE
- SELF-LUBRICATING
- HIGH THERMAL CONDUCTIVITY
- LOW FRICTION COEFFICIENT
- FOR ALL CHEMICALS
Technical data
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| Temperature max and min, °C: | +600 (with steam) ÷ -240, +550 (oxidant environment) ÷ -240 | ||
| Pressure max, bar: | **** | **** | **** |
| pH: | 0 ÷ 14 | ||
| Vp, mt/sec: | **** | **** | **** |
| Pumps | **** | ||
| Valves/static applications | **** | ||
| Alternative motions | **** | ||
| High speed | **** | ||
| Medium speed | **** | ||
| Low speed | **** | ||
| High pressure | **** | ||
| Medium pressure | **** | ||
| Low pressure | **** | ||
| Strong acids | **** | ||
| Acid solutions | **** | ||
| Strong alkali | **** | ||
| Alkaline solutions | **** | ||
| Steam | **** | ||
| Cryogenic | **** | ||
| Solvents | **** | ||
| Various gas | **** | ||
| Abrasive | **** | ||
| Hardeners | **** | ||
| Lubricant oils | **** | ||
| Non-contaminable substances | **** | ||
| Food | **** | ||