Locknut Cylinders, double acting

Holmatro DOUBLE ACTING locknut cylinders are trusted in civil and construction projects because they combine mechanical load security, precision control, and durability — ensuring both operator safety and project reliability in demanding environments.

With a lifting capacity of 50 up to 250 tons and a stroke length between 50 and 300 mm, Holmatro Locknut Cylinders (HLC) offer a powerful hydraulic solution with mechanical load locking capabilities, ensuring secure and sustained load support for various industrial applications.

They are designed with a smart return-plunger, resulting in minimal height difference compared to the gravity return locknut cylinders, ensuring efficient and space-saving operations. Holmatro Locknut Cylinders (HLC) are your go-to solution for demanding industrial lifting tasks, guaranteeing exceptional performance, reliability, and safe load support through their mechanical load locking feature.

Features & Benefits

• Mechanical load locking; safe way of working with sustained load
• Double-acting for controlled lifting and lowering
• An extremely low closed height and a maximum side load resistance of 10%.
• Integrated safety valves for protection against overpressure on return.
• Multiple-start and rounded thread on plunger for quicker positioning of the locknut and easy dirt removal
• Hard chromed cylinder wall for optimal wear resistance and corrosion protection
• QPQ treated mechanical locknut with an optimized grip and 4 Tommy bar holes for easy locking and unlocking
• XL Saddle+: QPQ tilting saddle protects the plunger and limits eccentric loads

For a complete overview & technical specs, visit the product detail page.