Operating range
Pressure
[pmax]:
|
20 bar |
| Velocity [vmax]: | 20 m/s |
Pressure
[pmax]:
|
300 bar |
| pH: | 0 - 14 |
| Density | 1.20 g/cm³ |
Temperature: t = -200… +550 °C
Practical useful application data:
max. temperature in oxidizing atmosphere: +400 °C
Main application
- Valves
- Fittings
- Gate valves
- Flaps
- Door and lid seals
Suitable for
- Power plant technology
- Boiler houses
- Petrochemical plants
- High pressure- and high temperature applications
For higher pressure and temperature applications use suitable bullrings.
Form of delivery
Registered users can view stock information
This packing can be manufactured from 3 to 40 mm square as well as in intermediate, inch sizes and special measurements.
03 - 09 mm on 1 kg spool
10 - 15 mm on 2,5 kg spool
16 - 25 mm on 5 kg spool
Special length, pre-cut or die formed rings on request.
1 kg of packing of the following cross-sections is equivalent to displayed meter lengths:
| Size mm["] | Meter |
|---|---|
| 3.2 [1/8"] | 81.4 |
| 4 | 52.1 |
| 5 [3/16"] | 33.3 |
| 6 | 23.1 |
| 6.35 [1/4"] | 20.7 |
| 7 | 17.0 |
| 8 [5/16"] | 13.0 |
| 9.5 [3/8"] | 9.2 |
| 10 | 8.3 |
| 11 [7/16"] | 6.9 |
| Size mm["] | Meter |
|---|---|
| 12 | 5.8 |
| 12.7 [1/2"] | 5.2 |
| 14 [9/16"] | 4.3 |
| 15 | 3.7 |
| 16 [5/8"] | 3.3 |
| 18 | 2.6 |
| 19 [3/4"] | 2.3 |
| 20 | 2.1 |
| 22 [7/8"] | 1.7 |
| 25 [1"] | 1.3 |
A 44 Grapho
Braid of Flexible Expanded Graphite Tape
Characteristics
- Universal use in pumps and valves
- Very good dry-running characteristics
- No wear, perfect thermal conductivity
- High quality pure graphite
- Coefficient of thermal expansion similar to steel
- Rings should be approx. 20 - 25 % compressed during assembly
- Recommended as die formed rings