RAR SERIES Ob chav Acting Aluminium Hydraulic Lub tog raj kheej

Khoom Paub meej

RAR Series Double Acting Aluminum Hydraulic Cylinders

Tus LONGLOOD RAR Series Double Acting Aluminum Hydraulic Cylinders are designed for applications requiring both hydraulic extension and hydraulic retraction. Manufactured from high-strength aluminum alloy, these cylinders provide exceptional lifting performance while remaining significantly lighter than comparable steel cylinders.

With 20 rau 150 tons of lifting capacity, 50 rau 250 mm strokes, thiab a maximum operating pressure of 700 bar (10,000 PSI), the RAR Series is ideal for precision lifting, rub, thawb, qhov chaw, and tensioning applications where lightweight equipment and accurate control are essential.

Perfect for bridge construction, heavy equipment maintenance, mining, offshore engineering, wind energy, railway maintenance, and industrial manufacturing, the RAR Series delivers powerful performance with outstanding portability.

RAR Series Features

Lightweight High-Strength Aluminum Construction

Manufactured from premium aerospace-grade aluminum alloy, the RAR Series weighs significantly less than traditional steel cylinders while maintaining exceptional strength and durability.

Double-Acting Hydraulic Operation

Hydraulic pressure powers both extension and retraction, providing faster cycle times, improved control, and reliable operation in applications where gravity or spring return is not suitable.

Precise Push and Pull Control

Designed to deliver hydraulic force in both directions, the RAR Series is ideal for pushing, rub, tensioning, qhov chaw, and synchronized lifting systems.

Hard Chrome-Plated Steel Plunger

The precision-machined steel piston rod features a hard chrome-plated surface for superior wear resistance, corrosion protection, and smooth operation.

Hard-Coated Aluminum Body

A durable protective coating enhances corrosion resistance and protects the cylinder body in harsh industrial and outdoor environments.

Composite Bearings

Heavy-duty composite bearings reduce friction, improve load support, and extend cylinder service life.

High-Performance Sealing System

Premium hydraulic seals minimize oil leakage and maintain reliable performance under continuous heavy-duty operation.

Integral Stop Nplhaib

An internal stop ring prevents over-extension and provides additional protection for the piston and cylinder body.

Lightweight for Easy Handling

The aluminum construction allows operators to transport and install the cylinder more easily, reducing fatigue and improving productivity on job sites.

Maximum Operating Pressure of 700 Bar

Designed for continuous operation at 700 bar (10,000 PSI), ensuring maximum hydraulic performance and reliability.

Daim ntawv thov

The RAR Series is widely used for:

  • Bridge construction and maintenance
  • Heavy equipment installation
  • Wind turbine assembly
  • Shipbuilding and offshore engineering
  • Mining equipment maintenance
  • Kev kho tsheb ciav hlau
  • Industrial machinery alignment
  • Hydraulic pulling systems
  • Structural testing
  • Steel fabrication
  • Kev tsim cov nroj tsuag
  • Petrochemical facilities
  • Power generation projects

Technical Specifications

Specification Paub meej
Product Series RAR
Hom Lub tog raj kheej Double Acting Aluminum Hydraulic Cylinder
Kev ua haujlwm Ob chav ua yeeb yam (Hydraulic Extend & Rov qab)
Muaj peev xwm 20–150 Ton
Mob stroke 50–250 mm
Kev ua haujlwm siab tshaj plaws 700 bar (10,000 PSI)
Cylinder Material High-Strength Aluminum Alloy
Plunger Material Hard Chrome-Plated Steel
Surface Finish Hard-Coated Corrosion-Resistant Aluminum
Cov kabmob Composite Bearings

Khoom zoo

Lightweight Design

The aluminum body is significantly lighter than conventional steel cylinders, making transportation, kev teeb tsa, and handling easier.

Hydraulic Retraction

Unlike spring-return cylinders, the double-acting design provides hydraulic power for both extension and retraction, ensuring smooth and controlled operation.

Accurate Positioning

Hydraulic control in both directions makes the RAR Series ideal for synchronized lifting, meej qhov chaw, and tensioning applications.

Corrosion Resistant

The aluminum body naturally resists corrosion, making it suitable for outdoor, dej hiav txwv, and humid environments.

Lub neej ua haujlwm ntev

Premium alloy materials, nyuaj chrome-plated plungers, composite bearings, and high-quality seals provide excellent durability with minimal maintenance.

Compatible with Standard Hydraulic Systems

Designed for use with all standard 700 bar hydraulic pumps, power packs, and synchronized lifting systems.

RAR Series Model Specifications

20 Ton Qauv

Qauv Push Capacity (kN kev) Pull Capacity (kN kev) Mob stroke (mm) Push Oil Capacity (cm³) Pull Oil Capacity (cm³) Qhov hnyav (kg)
RAR-202 218 130 50 156 93 7.4
RAR-204 218 130 100 312 186 8.0
RAR-206 218 130 150 468 279 8.6
RAR-208 218 130 200 624 372 9.2
RAR-2010 218 130 250 780 465 9.8

30 Ton Qauv

Qauv Push Capacity (kN kev) Pull Capacity (kN kev) Mob stroke (mm) Push Oil Capacity (cm³) Pull Oil Capacity (cm³) Qhov hnyav (kg)
RAR-302 309 179 50 221 123 8.6
RAR-304 309 179 100 442 245 9.5
RAR-306 309 179 150 663 368 10.4
RAR-308 309 179 200 884 490 11.3
RAR-3010 309 179 250 1105 613 12.2

50 Ton Qauv

Qauv Push Capacity (kN kev) Pull Capacity (kN kev) Mob stroke (mm) Push Oil Capacity (cm³) Pull Oil Capacity (cm³) Qhov hnyav (kg)
RAR-502 496 187 50 354 134 11.1
RAR-504 496 187 100 709 267 12.7
RAR-506 496 187 150 1063 401 14.3
RAR-508 496 187 200 1417 534 15.9
RAR-5010 496 187 250 1771 668 17.5

100 Ton Qauv

Qauv Push Capacity (kN kev) Pull Capacity (kN kev) Mob stroke (mm) Push Oil Capacity (cm³) Pull Oil Capacity (cm³) Qhov hnyav (kg)
RAR-1002 1002 557 50 715 398 16.4
RAR-1004 1002 557 100 1431 795 19.3
RAR-1006 1002 557 150 2147 1193 22.2
RAR-1008 1002 557 200 2863 1590 25.1
RAR-10010 1002 557 250 3578 1988 28.0

150 Ton Qauv

Qauv Push Capacity (kN kev) Pull Capacity (kN kev) Mob stroke (mm) Push Oil Capacity (cm³) Pull Oil Capacity (cm³) Qhov hnyav (kg)
RAR-1502 1589 924 50 1135 660 24.2
RAR-1504 1589 924 100 2270 1320 28.9
RAR-1506 1589 924 150 3405 1980 33.2
RAR-1508 1589 924 200 4540 2640 37.9
RAR-15010 1589 924 250 5675 3300 42.6

Cov lus nug nquag (FAQs)

1. What is a double acting hydraulic cylinder?

A double acting hydraulic cylinder uses hydraulic pressure for both extension and retraction, providing precise movement and greater control than spring-return cylinders.

2. Why choose an aluminum hydraulic cylinder?

Aluminum cylinders are much lighter than steel cylinders, making them easier to transport, install, and operate while maintaining excellent strength and durability.

3. What is the difference between the RAC and RAR Series?

Tus RAC Series yog single acting with spring return, while the RAR Series yog double acting, using hydraulic pressure for both extension and retraction. The RAR Series is ideal for applications requiring precise bidirectional control.

4. Dab tsi yog qhov siab tshaj plaws ua haujlwm siab?

All RAR Series cylinders are designed to operate safely at 700 bar (10,000 PSI).

5. Which hydraulic pumps are compatible?

The RAR Series is compatible with any 700 bar double-acting hydraulic pump or hydraulic power unit equipped with advance and retract oil ports.

6. Can these cylinders be used for synchronized lifting?

Yog lawm. The double-acting design makes the RAR Series an excellent choice for synchronized lifting, controlled lowering, and precision positioning systems.

7. Are the cylinders suitable for outdoor use?

Yog lawm. The hard-coated aluminum body and chrome-plated plunger provide excellent corrosion resistance, making the cylinders suitable for outdoor, dej hiav txwv, and demanding industrial environments.

8. What maintenance is required?

Inspect hydraulic hoses and seals regularly, keep the piston rod clean, use clean hydraulic oil, lubricate moving components as recommended, and store the cylinder in a dry environment when not in use.

9. Can LONGLOOD provide OEM or customized cylinders?

Yog lawm. We offer OEM/ODM services, including custom strokes, muaj peev xwm, mounting options, colors, hom lag luam, and special hydraulic cylinder designs to meet specific project requirements.

10. Why choose LONGLOOD RAR Series Double Acting Aluminum Hydraulic Cylinders?

The LONGLOOD RAR Series combines lightweight aluminum construction, hydraulic extension and retraction, 700 bar high-pressure performance, thiab precision engineering to deliver reliable, muaj txiaj ntsig, and durable hydraulic solutions for the world's most demanding lifting, qhov chaw, and maintenance applications.

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