Single Acting Hydraulic Jacks with Plain Rams

ORMACK supplies ORIENT single acting hydraulic jacks designed for controlled lifting, pushing and supporting heavy loads. These plain ram, spring-return jacks operate at pressures up to 700 bar and are available across the RHD, HHYG and OHJ series for construction, maintenance, machinery installation and industrial applications.

Choose the Series That Best Fits Your Application

INDUSTRIAL POWER

RHD Series

Heavy-Duty Hydraulic Jacks

The RHD Series features robust construction and larger dimensions, delivering dependable performance for heavy-duty pile load testing.

Features : 

Ideal For:

Steel Plants, Mining, Infrastructure

RAPID UTILITY

HHYG Series

Compact Hydraulic Jacks

Designed for compact dimensions and faster operation, making them perfect for tight spaces and quick maintenance tasks.

Features : 

Ideal For:

Mobile Maintenance, Plant Shutdowns

PREMIUM PRECISION

OHJ Series

Precision Hydraulic Jacks

Premium construction featuring chrome-plated bodies and refined internal finishing for maximum durability and service life.

Features : 

Ideal For:

Machine Builders, Manufacturing

Standard Features Across The Range

Every ORIENT Single Acting Hydraulic Jack is built with quality, safety and reliability in mind.
ORMACK 700 Bar Working Pressure IconA front-facing industrial hydraulic pressure gauge with a reinforced housing and needle pointing toward the high-pressure region.

700 BAR WORKING PRESSURE

Designed for operation up to 700 Bar for safe and reliable performance.

ORMACK Automatic Spring Return IconA single-acting hydraulic cylinder cutaway with an internal compression spring and downward retraction arrows.

AUTOMATIC SPRING RETURN

Spring return mechanism ensures faster retraction and improved efficiency.

ORMACK Heavy-Duty Steel Construction IconA robust hydraulic cylinder integrated with a protective structural shield to represent heavy-duty steel construction.

HEAVY-DUTY STEEL CONSTRUCTION

High-strength steel construction for superior durability and long life.

ORMACK Precision-Machined Parts IconA precisely machined gear with a concentric bore being measured by a vernier caliper.

PRECISION MACHINED PARTS

Precision-machined components for tight tolerances and consistent performance.

ORMACK Durable Sealing System IconA hydraulic piston rod passing through a gland with engineered sealing profiles and a blocked oil droplet.

DURABLE SEALING SYSTEM

Advanced sealing system designed for leak-free operation and long service life.

ORMACK Hand Pump and Power Pack Compatibility IconA hydraulic cylinder connected to a manual hand pump and a motor-driven hydraulic power pack.

COMPATIBLE WITH ORIENT HAND PUMPS & HYDRAULIC POWER PACKS

Fully compatible with ORIENT hand pumps and hydraulic power packs for a complete lifting solution.

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.