Single Acting, Spring Return HYDRAULIC CYLINDERS BETEX SSS SERIES Specs: Capacity: 5-100 tons Stroke: 25.4-362 mm Max. working pressure: 10,000 psi / 700 Bar Features: All rams are single acting with spring return. Pistons are hard chromed. Rams inside roll-polished, outside blasted and chromed. Power sources: Hand pumps, foot pumps and air/hydraulic pumps and electric pumps. Pump and cylinder sets: All cylinders are available as sets (cylinder, gauge, couplers, hose and pump) for your ordering convenience.