K 753
DESCRIPTION
Compact piston seal type K 753 was designed for one-part piston constructions. The seal consists of polyurethane sealing ring that is preloaded by the NBR ring (nitrile - butadiene - natural rubber). On the both sides are used a split guiding rings (POM).
ADVANTAGES
- long lifetime due to wear resistant sealing ring
- easy assembly
- better resistance to shear force due to angel guiding rings
- profiled polyurethane sealing ring avoids the leakage
- excellent gap resistance
ASSEMBLY
Please, assemble in following order:
first assemble the NBR ring, then insert the first guiding ring. Assemble the polyurethane sealing ring and after mount the second guiding ring.
MEDIA
This seal is suitable to run in liquids based on mineral oil. Operating temperature from -20°C to +40°C is permissible with HFA and HFB liquids.
| Operating conditions | ||
|---|---|---|
| Maximum pressure | ||
| ´v´max. | Temperature range | Temperature range |
| m/s | -30°C / +80°C | -30°C / +100°C |
| 0.5 | 250 bar | 180 bar |
| 0.15 | 400 bar | 260 bar |
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K 753 - 125 x 100 x 25.4
