Hydraulic Lock Nut Jacks | Threaded Ram

Hydraulic Lock Nut Jacks with Threaded Rams

Designed for Safe Mechanical Load Holding During Critical Lifting Applications

ORMACK supplies ORIENT hydraulic lock nut jacks designed for lifting and mechanically supporting heavy loads. The threaded ram and safety locknut allow the raised load to be held mechanically after lifting, making these jacks suitable for bridge maintenance, structural work, machinery installation and other applications requiring extended load holding. Single acting and double acting models are available for operation up to 700 bar.

Choose the Series That Best Fits Your Application

Designed for demanding industrial applications, the RHDS Series features a rugged heavy-duty construction, larger overall dimensions and a mechanical safety lock nut for secure long-term load holding. Built with a tilting saddle and designed to withstand up to 25% overload, it is ideal for the toughest lifting applications.

Features :

Heavy-Duty Construction
Mechanical Safety Lock Nut
Designed to Withstand up to 25% Overload
Tilting Saddle
Load Return Design
Rugged Industrial Construction

Ideal For:

Bridge Bearing Replacement, Heavy Civil Construction, Steel Plants, Mining, Heavy Engineering, Infrastructure Projects

The OHJS Series combines compact dimensions with precision engineering and a mechanical safety lock nut for safe load holding after lifting. Available with plain or tilting saddle options, it is ideal for bridge maintenance, heavy equipment installation and structural applications in demanding industrial environments.

Features :

Ideal For:

Bridge Bearing Replacement, Structural Maintenance, Plant Shutdowns, Machine Installation, Infrastructure Maintenance

The OHJDS Series combines hydraulic extension, hydraulic retraction and a mechanical safety lock nut for applications requiring controlled lifting and secure load holding. An optional integrated overload safety valve enhances operational safety during demanding lifting operations.

Features :

Double Acting Operation
Hydraulic Advance & Return
Mechanical Safety Lock Nut
Optional Integrated Overload Safety Valve
Compact Design
Precision Engineered

Ideal For:

Synchronous Lifting, Bridge Construction, Heavy Equipment Installation, Structural Engineering, Steel Plants

Standard Features Across The Range

Every ORIENT Single Acting Hydraulic Jack is built with quality, safety and reliability in mind.

700 BAR OPERATION

High-pressure standard for maximum performance.

THREADED RAM

Buttress threads for superior load engagement.

SAFETY LOCK NUT

Fail-safe mechanical support for total security.

HIGH-STRENGTH STEEL

Heat-treated alloy steel for heavy-duty life.

PRECISION MACHINED

Precision-machined components for tight tolerances and consistent performance.

INDUSTRIAL SEALING

Advanced composite seals prevent leakage.

WIDE RANGE

Capacity from 50 tons up to 1000 tons.

SYSTEM COMPATIBILITY

Standard NPT couplers for all ORIENT systems.

Need Help Choosing?

Our team can help you select the most suitable ORIENT Single Acting Hydraulic Jack based on your application, lifting capacity and operating requirements.

About Ormack Hydraulics Pvt. Ltd.

Ormack Hydraulics Pvt. Ltd. is a Kolkata-based hydraulic engineering company supplying hydraulic power packs, cylinders, jacks, pumps, valves, tools, and high-pressure hydraulic systems for industrial applications.