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All hp pumps are equipped with axial face seals made of viton which can resist pressures of up to 5 bar and with stand temperatures of up to 150 ° C.
The axial face seals are relieved of pressure on the suction side of the pump. See graph for maximum pressure load of the axial face seal, i.e. of the suction side in dependance with the temperature.
Product number for axial face seal
| Gear rotor
size Ø |
Shaft Ø | Viton (max. 150° C )
spare part article-no. |
|---|---|---|
| 25 | 12 | 0190015 |
| 38 | 12 | 0190015 |
| 56 | 18 | 0190016 |
| 75 | 22 | 0190017 |
hp-Electric standby and companion heaters for type H1 – hp-Industrial pump
All hp pump models can be equipped with electric heating, type H1, at the factory.
| Equipped
at factory: Article-no. H1 |
Spare part
Article-no. H1 |
Suitable for pumps
with a motive force diameter of: |
Shaft
Ø |
Heating
capacity [W] |
Number of
heating cartridges 230 V, 50 Hz, other voltages available upon request |
|---|---|---|---|---|---|
| 0190050 | 0190055 | 25 | 12 | 100 | 1 |
| 0190051 | 0190056 | 38 | 12 | 100 | 1 |
| 0190052 | 0190057 | 56 | 18 | 160 | 1 |
| 0190053 | 0190058 | 75 | 22 | 280 | 1 |
