HCG Series Hydraulic Cylinders are the single-acting load return option from the industry-proven Enerpac high-tonnage range.As with all of our high-tonnage cylinders, included are a multitude of special features inside and out, to deliver the increased levels of durability, safety, and performance vital for large-scale construction projects. Among these features are low-wear high pressure seals, replaceable composite plunger support bearings, and a tough nitrocarburized finish on the cylinder body and the plunger.FeaturesLoad return plunger - simple to use and fewer components to maintainNitrocarburized finish - resists side-loading and cyclic wear10% resistance to side-load over the full cylinder strokeStop-ring prevents plunger blow-outWeather protected, inside and outUpper and lower replaceable bearings support the plunger throughout the strokeCertified lifting eyesBase mounting holesCollar threads included on models up to 250 ton. Optional on 300 ton and higher.Maximum working pressure up to 10,000 psi (700 bar)Complies to ASME B30.1