Piston seal AK20R
November 6, 2018Piston seal AK22B
November 6, 2018
Piston seal AK21
| Profile | Material | Hyd | Pnu | Water | acid | Single acting | double acting | Pressure 0% |
Sliding qualities [m/s] | Temperature from [ °C ] | Temperature to [ °C ] |
| AK21 | H-PU 95 ShA/ELASTOMER | X | X | X | 400 | 0.5 | -35 | 110 | |||
| NBR 85 ShA/ELASTOMER | X | X | 160 | 0.5 | -40 | 100 | |||||
| H-NBR 85 ShA/ELASTOMER | X | 160 | 0.5 | -50 | 150 | ||||||
| EPDM 85 ShA/ELASTOMER | X | X | 160 | 0.5 | -50 | 150 | |||||
| FKM 85 ShA/ELASTOMER | X | X | 160 | 0.5 | -20 | 200 |
HPU lip seal with o-ring, to achieve good sealing even at low pressures.O–Ring activated symmetric piston seal with sharpedged sealing lips, good sealing effect for high viscosity fluids, not recommended for new designs (Profile AK03 preferred).
