Aluminum Cylinder, ESRA Series 1. Capacity: 20~150 tons 2. Stroke: 50~150mm 3. Max. Operating Pressure: 700bar(10,000psi) We customize according to your exact specifications. Higher tonnage or longer stroke are available upon request. * Single-acting, spring return * Light weight, alumimum design for max. portability * Designed for use in all positions * Plunger wiper extends life * Equipped with high-flow coupler and dust cap * Coupler Port G3/8