Papa kuhikuhi
'Ōlelo 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 i 150 mau tona of lifting capacity, 50 i 250 mm strokes, a he a maximum operating pressure of 700 Bar (10,000 PSI), the RAR Series is ideal for precision lifting, hāwana, hoʻopiʻiʻana, hoonoho ana, and tensioning applications where lightweight equipment and accurate control are essential.
Perfect for bridge construction, ka mālama ʻana i nā mea kaumaha, eli ana, offshore engineering, wind energy, railway maintenance, a me ka hana ʻenehana, the RAR Series delivers powerful performance with outstanding portability.
Manufactured from premium aerospace-grade aluminum alloy, the RAR Series weighs significantly less than traditional steel cylinders while maintaining exceptional strength and durability.
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.
Designed to deliver hydraulic force in both directions, the RAR Series is ideal for pushing, hāwana, hoʻopaʻapaʻa, hoonoho ana, and synchronized lifting systems.
The precision-machined steel piston rod features a hard chrome-plated surface for superior wear resistance, corrosion protection, and smooth operation.
A durable protective coating enhances corrosion resistance and protects the cylinder body in harsh industrial and outdoor environments.
Heavy-duty composite bearings reduce friction, improve load support, and extend cylinder service life.
Premium hydraulic seals minimize oil leakage and maintain reliable performance under continuous heavy-duty operation.
An internal stop ring prevents over-extension and provides additional protection for the piston and cylinder body.
The aluminum construction allows operators to transport and install the cylinder more easily, reducing fatigue and improving productivity on job sites.
Designed for continuous operation at 700 Bar (10,000 PSI), ensuring maximum hydraulic performance and reliability.
The RAR Series is widely used for:
| Specification | Details |
|---|---|
| Product Series | RAR |
| ʻAno Puʻupuʻu | Double Acting Aluminum Hydraulic Cylinder |
| Hana | Hana ʻelua (Hydraulic Extend & Retract) |
| Hiki | 20–150 Ton |
| Kaʻi ʻana | 50–250 mm |
| ʻO ke kaomi hana kiʻekiʻe loa | 700 Bar (10,000 PSI) |
| Cylinder Material | High-Strength Aluminum Alloy |
| Plunger Material | Hard Chrome-Plated Steel |
| Surface Finish | Hard-Coated Corrosion-Resistant Aluminum |
| Bearings | Composite Bearings |
The aluminum body is significantly lighter than conventional steel cylinders, making transportation, hoʻokomo, and handling easier.
Unlike spring-return cylinders, the double-acting design provides hydraulic power for both extension and retraction, ensuring smooth and controlled operation.
Hydraulic control in both directions makes the RAR Series ideal for synchronized lifting, kūlana pololei, and tensioning applications.
The aluminum body naturally resists corrosion, making it suitable for outdoor, marine, and humid environments.
Premium alloy materials, hard chrome-plated plungers, composite bearings, and high-quality seals provide excellent durability with minimal maintenance.
Designed for use with all standard 700 bar hydraulic pumps, power packs, and synchronized lifting systems.
| Hōʻailona | Push Capacity (kN) | Pull Capacity (kN) | Kaʻi ʻana (mm) | Push Oil Capacity (kn³) | Pull Oil Capacity (kn³) | Kaumaha (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 |
| Hōʻailona | Push Capacity (kN) | Pull Capacity (kN) | Kaʻi ʻana (mm) | Push Oil Capacity (kn³) | Pull Oil Capacity (kn³) | Kaumaha (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 |
| Hōʻailona | Push Capacity (kN) | Pull Capacity (kN) | Kaʻi ʻana (mm) | Push Oil Capacity (kn³) | Pull Oil Capacity (kn³) | Kaumaha (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 |
| Hōʻailona | Push Capacity (kN) | Pull Capacity (kN) | Kaʻi ʻana (mm) | Push Oil Capacity (kn³) | Pull Oil Capacity (kn³) | Kaumaha (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 |
| Hōʻailona | Push Capacity (kN) | Pull Capacity (kN) | Kaʻi ʻana (mm) | Push Oil Capacity (kn³) | Pull Oil Capacity (kn³) | Kaumaha (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 |
A double acting hydraulic cylinder uses hydraulic pressure for both extension and retraction, providing precise movement and greater control than spring-return cylinders.
Aluminum cylinders are much lighter than steel cylinders, making them easier to transport, install, and operate while maintaining excellent strength and durability.
'Ōlelo RAC Series ʻo ia single acting with spring return, while the RAR Series ʻo ia double acting, using hydraulic pressure for both extension and retraction. The RAR Series is ideal for applications requiring precise bidirectional control.
All RAR Series cylinders are designed to operate safely at 700 Bar (10,000 PSI).
The RAR Series is compatible with any 700 bar double-acting hydraulic pump or hydraulic power unit equipped with advance and retract oil ports.
ʻAe. The double-acting design makes the RAR Series an excellent choice for synchronized lifting, controlled lowering, and precision positioning systems.
ʻAe. The hard-coated aluminum body and chrome-plated plunger provide excellent corrosion resistance, making the cylinders suitable for outdoor, marine, and demanding industrial environments.
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.
ʻAe. We offer OEM/ODM services, including custom strokes, nā mana, mounting options, colors, branding, and special hydraulic cylinder designs to meet specific project requirements.
The LONGLOOD RAR Series combines lightweight aluminum construction, hydraulic extension and retraction, 700 bar high-pressure performance, a precision engineering to deliver reliable, lawa, and durable hydraulic solutions for the world's most demanding lifting, hoonoho ana, and maintenance applications.
ʻO ka lōʻihi ka lōʻihi o ka mea hana e alakaʻi ai i ka mea hana ma ka mea hana a me nā mea kūʻai aku o nā mea hana kiʻekiʻe hydraulico kiʻekiʻe, Ke hoʻopuka nei i nā hopena hydraulic kiʻekiʻe kiʻekiʻe no nā noi likeʻole.
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E hui mākou iāʻoe i loko 1 e hana ana i ka la.
