RRH Series Double Acting Hollow Plunger Hydraulic Cylinders

Ang 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, pagbubuhat, paghila, and pressing operations.

With capacities ranging from 30 sa 145 tonelada, stroke options from 38 sa 258 mm, at isang maximum na operating pressure ng 700 bar, the RRH Series delivers powerful and reliable hydraulic performance for industrial maintenance, pagtatayo, and heavy-duty applications.

Ang 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.

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RRH Series Hollow Plunger Cylinder Features

Hollow Plunger Design for Push and Pull Applications

The hollow plunger allows hydraulic force to be applied in both pushing and pulling operations.

Kalamangan:

• Supports tensioning and lifting applications
• Suitable for through-hole applications
• Provides greater application flexibility
• Ideal for pulling rods, cables, and shafts

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Double Acting Hydraulic Operation

The double-acting design provides hydraulic control during both extension and retraction.

Mga Benepisyo:

• Fast piston return
• Improved operation efficiency
• Precise movement control
• Reduced downtime between cycles

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High Capacity Performance

The RRH Series provides reliable hydraulic force for demanding applications.

Mga pagtutukoy:

• Saklaw ng Kapasidad: 30–145 ton
• Saklaw ng Stroke: 38–258 mm
• Pinakamataas na Operating Pressure: 700 bar

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Built-In Relief Valves

Integrated relief valves help protect the cylinder from accidental over-pressurization.

Mga Benepisyo:

• Protects internal components
• Improves operational safety
• Pinapalawak ang buhay ng serbisyo ng silindro

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Corrosion Resistant Construction

The baked enamel finish provides enhanced protection against corrosion and harsh working conditions.

Kalamangan:

• Pinahusay na tibay
• Longer service life
• Angkop para sa mga pang-industriyang kapaligiran

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Easy Installation with Collar Threads

The collar thread design allows straightforward installation and integration into different fixtures.

Note: Collar threads are not applicable for:

• RRH-1001
• RRH-1508

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Durable Nickel-Plated Floating Center Tube

The nickel-plated floating center tube improves durability and reduces wear during operation.

Mga Benepisyo:

• Increased product lifespan
• Better resistance to corrosion
• Improved reliability under repeated use

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Proteksyon ng Plunger Wiper

Binabawasan ng pinagsamang plunger wiper ang kontaminasyon na pumapasok sa silindro.

Kalamangan:

• Protects internal components
• Binabawasan ang mga kinakailangan sa pagpapanatili
• Pinapalawak ang buhay ng serbisyo ng silindro

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Kasama ang Mga Kumpletong Accessory

All RRH Series cylinders include:

• CR-400 hydraulic coupler
• takip ng alikabok

Nagbibigay ng maginhawang koneksyon at proteksyon sa panahon ng imbakan at transportasyon.

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Teknikal na Pagtutukoy

Pagtutukoy	Mga Detalye
Uri ng Produkto	Double Acting Hollow Plunger Hydraulic Cylinder
Saklaw ng Kapasidad	30–145 Ton
Saklaw ng Stroke	38–258 mm
Pinakamataas na Operating Pressure	700 bar
Operation Type	Double Acting
Plunger Design	Hollow Plunger
Uri ng Coupler	CR-400
Surface Protection	Baked Enamel Finish

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RRH Series Applications

LONGLOOD Hollow Plunger Cylinders are widely used in:

Tensioning Applications

• Cable tensioning
• Rod tensioning
• Bolt tensioning
• Structural adjustment

Pang-industriya na Pagpapanatili

• Equipment alignment
• Component removal
• Heavy machinery repair

Construction Projects

• Structural lifting
• Pagpapanatili ng tulay
• Pagpoposisyon ng pag-install

Manufacturing Applications

• Mga operasyon sa pagpindot
• Assembly work
• Fixture positioning

Heavy Equipment Service

• Machinery repair
• Shaft extraction
• Component adjustment

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Mga Bentahe ng Produkto

Push and Pull Capability

The hollow plunger design allows both compression and tension operations, making one cylinder suitable for multiple applications.

Fast Hydraulic Retraction

The double-acting system provides quick return movement, improving productivity.

Reliable Industrial Performance

High-quality materials and protective finishes ensure long-lasting performance in demanding environments.

Flexible Installation

Collar threads and compact design simplify mounting and integration.

Enhanced Safety

Relief valves and durable construction provide safer operation under high-pressure conditions.

Mga Alituntunin sa Kaligtasan

Para sa ligtas na operasyon:

• Confirm cylinder capacity matches the required load.
• Inspect couplers, mga hose, at mga kabit bago ang operasyon.
• Never exceed the maximum pressure rating of 700 bar.
• Ensure the hollow plunger is properly aligned before applying force.
• Avoid side loading unless specifically designed for the application.
• Keep the working area clear during operation.
• Use appropriate personal protective equipment.

Mga Madalas Itanong (Mga FAQ)

1. What is a hollow plunger hydraulic cylinder?

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, or other components.

2. What are the advantages of a double acting hollow cylinder?

A double acting hollow cylinder provides hydraulic control for both extension and retraction, allowing faster operation and better positioning control.

3. What capacity range does the RRH Series offer?

The LONGLOOD RRH Series provides:

• Kapasidad: 30–145 tons
• Stroke: 38–258 mm

4. What applications require hollow plunger cylinders?

They are commonly used for:

• Cable tensioning
• Bolt tensioning
• Pulling operations
• Shaft removal
• Structural adjustment
• Heavy equipment maintenance

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5. Ano ang pinakamataas na presyon ng pagpapatakbo?

The RRH Series operates at:

700 bar (10,000 psi) pinakamataas na presyon.

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6. Why is a hollow plunger design useful?

The hollow plunger allows components such as rods and cables to pass through the cylinder, enabling applications that standard solid cylinders cannot perform.

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7. Anong mga accessories ang kasama sa silindro?

Each RRH Series cylinder includes:

• CR-400 coupler
• takip ng alikabok

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8. What is the purpose of the relief valve?

The relief valve protects the cylinder from damage caused by excessive hydraulic pressure.

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9. Are RRH Series cylinders suitable for industrial use?

Oo. They are designed for professional applications including construction, pagpapanatili, pagmamanupaktura, and heavy equipment servicing.

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10. Can LONGLOOD customize hollow plunger cylinders?

Oo. Nagbibigay ang LONGLOOD ng mga serbisyo ng OEM at ODM kasama ang mga customized na kapasidad, mga stroke, mga opsyon sa pag-mount, haydroliko na koneksyon, mga patong, and branding solutions.

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Why Choose LONGLOOD RRH Series Hollow Plunger Hydraulic Cylinders?

Ang 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, pagbubuhat, paghila, and industrial maintenance applications.

Hollow Plunger Cylinder Application: