HEB Hydraulic cylinder Z250 Cylindrical basic form, threaded construction. Stroke- end damping with progressive transition to the damping phase, available for piston diameters above 20 mm. Adjustable damping above 25 mm piston diameter. Stroke as required from 0,1 mm - 3000 mm or as standard strokes Stroke tolerances to DIN 7168. Piston speed 12 -18 m/min determined by design factors, please note cross-section of connections Working pressure / nominal pressure: 250 bar. Static test pressure: 350 bar.