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HMP HYDRAULIC CYLINDERS |
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Characteristic Values |
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| Usage | : | Plungercylinder for agricultural maschinery and lighter hydraulic applications, cylinder diameter from ø25to ø65mm both included. |
| Cylindertube | : | St.52-3 Din. 2391/2393, internal tolerance H8-H10, Ra max 0,8 µm |
| Pistonrod | : | Quality 20MnV6 corresponding to SS2142, Hard chrome 25 μm ± 5 μm, hardness min. 850 HV., Ra max. 0.2 μm, external tolerance ISO f7. Alternative Quality: AISI 329 corresponding to SS2324, Hard chrome 25 μm ± 5 μm, hardness min. 850 HV., Ra max. 0.2 μm, external tolerance ISO f7. Special material qualities can be delivered on request. |
| Seals | : | (Standard) Piston rod: Lip seal of polyurethane. Wiper: Nitrile rubber Sh.90 with steel edge. |
| Normal pressure | : | max. 210 bar. |
| Test pressure | : | max. 315 bar. |
| Piston speed | : | Max. piston speed 0.1 m/sec, if stroke length not used (rod reaches bottom). If speed exceeds 0.1 m/sec, damping is recommended. |
| Tubebreakprotection | : | Can be built-in by custom order. |
| Cussioning | : | Not available with damping. |
| Positioning | : | Not available with electronic positioning. |
| Working temperat. | : | Operating temperature ÷30° C to +100° C |
| Pressure medium | : | Mineral oil-based hydraulic oil. |
| Painting | : | Comes standard with black primer. Available pre-painted at extra cost. |
