'Ōlelo LONGLOOD RRH Series Double Acting Hollow Plunger Hydraulic Cylinders are specially designed for applications requiring both push and pull hydraulic force. Featuring a hollow plunger design, these cylinders provide excellent versatility for tensioning, hāpai ʻana, hāwana, a me na hana kaomi.
With capacities ranging from 30 i 145 mau tona, stroke options from 38 i 258 mm, and a maximum operating pressure of 700 Bar, the RRH Series delivers powerful and reliable hydraulic performance for industrial maintenance, kūkulu hale, and heavy-duty applications.
'Ōlelo double-acting hydraulic system enables fast and controlled retraction, while the durable nickel-plated floating center tube and corrosion-resistant finish ensure long service life in demanding environments.
The hollow plunger allows hydraulic force to be applied in both pushing and pulling operations.
Loaʻa:
The double-acting design provides hydraulic control during both extension and retraction.
KA MANAWA:
The RRH Series provides reliable hydraulic force for demanding applications.
Nā kikoʻī:
Integrated relief valves help protect the cylinder from accidental over-pressurization.
KA MANAWA:
The baked enamel finish provides enhanced protection against corrosion and harsh working conditions.
Loaʻa:
The collar thread design allows straightforward installation and integration into different fixtures.
Nānā: Collar threads are not applicable for:
The nickel-plated floating center tube improves durability and reduces wear during operation.
KA MANAWA:
The integrated plunger wiper reduces contamination entering the cylinder.
Loaʻa:
All RRH Series cylinders include:
Providing convenient connection and protection during storage and transportation.
| Specification | Details |
|---|---|
| Product Type | Double Acting Hollow Plunger Hydraulic Cylinder |
| Capacity Range | 30–145 Ton |
| Stroke Range | 38–258 mm |
| ʻO ke kaomi hana kiʻekiʻe loa | 700 Bar |
| Operation Type | Hana ʻelua |
| Plunger Design | Hollow Plunger |
| Coupler Type | CR-400 |
| Surface Protection | Baked Enamel Finish |
LONGLOOD Hollow Plunger Cylinders are widely used in:
The hollow plunger design allows both compression and tension operations, making one cylinder suitable for multiple applications.
The double-acting system provides quick return movement, improving productivity.
High-quality materials and protective finishes ensure long-lasting performance in demanding environments.
Collar threads and compact design simplify mounting and integration.
Relief valves and durable construction provide safer operation under high-pressure conditions.
For safe operation:
A hollow plunger hydraulic cylinder is designed with a center opening through the piston, allowing it to perform both pushing and pulling operations using rods, cables, a i ʻole nā mea ʻē aʻe.
A double acting hollow cylinder provides hydraulic control for both extension and retraction, allowing faster operation and better positioning control.
The LONGLOOD RRH Series provides:
They are commonly used for:
The RRH Series operates at:
700 Bar (10,000 Psi) maximum pressure.
The hollow plunger allows components such as rods and cables to pass through the cylinder, enabling applications that standard solid cylinders cannot perform.
Each RRH Series cylinder includes:
The relief valve protects the cylinder from damage caused by excessive hydraulic pressure.
ʻAe. They are designed for professional applications including construction, maintenance, hana hana, and heavy equipment servicing.
ʻAe. LONGLOOD provides OEM and ODM services including customized capacities, strokes, mounting options, hydraulic connections, coatings, and branding solutions.
'Ōlelo LONGLOOD RRH Series Double Acting Hollow Plunger Hydraulic Cylinders combine powerful push-pull capability, fast hydraulic retraction, durable construction, and reliable safety features. They provide a versatile hydraulic solution for demanding tensioning, hāpai ʻana, hāwana, and industrial maintenance applications.





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