HCG100012 Enerpac 1000 Ton Single-Acting High-Tonnage Cylinder, 11.81 in Stroke, 1196 Ton Max Capacity

The Enerpac HCG100012 is a 1000-ton class single-acting cylinder from the HCG-Series high-tonnage range, with an 11.81 in stroke and a maximum capacity of 1196 tons at 10,150 psi. As a load-return cylinder, the plunger retracts under the weight of the load once pressure is released, so it suits lifting and lowering where the load itself pushes the cylinder back down.

Features

• Hardened surface that resists side-loading and cyclic wear
• Designed to withstand up to 10% side-load of maximum capacity
• Stop-ring to prevent plunger blow-out
• Weather protected, inside and out
• Upper and lower replaceable bearings support the plunger throughout the stroke
• Certified lifting eyes, base mounting holes and collar threads

Sizing

The HCG100012 has an effective area of 235.68 in² and needs 2,783.65 in³ of oil to advance its full stroke. It is 27.24 in tall collapsed and about 39.05 in extended. Its oil requirement is larger than a 10.3 gal ZE reservoir, so it needs a large-capacity power unit. Under full load, a ZE4 pump (60 in³/min at 10,000 psi) takes about 46.4 minutes to complete the stroke and a ZE5 (120 in³/min) about 23.2 minutes; under light load two-stage pumps move it much faster.

How it compares

The HCR100012 is the double-acting version with the same capacity and stroke. Other strokes in the 1000-ton HCG range: HCG10002 (1.97 in), HCG10004 (3.94 in), HCG10006 (5.91 in), HCG10008 (7.87 in), HCG100010 (9.84 in).

Before you order: A load-return cylinder needs the load (or an external force) to retract it; keep side-load below 10% of maximum capacity; on 1000-ton models the collar thread is optional: order HCG100012E002 for a cylinder with collar thread.

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