CLRG Series Double Acting High Tonnage Hydraulic Cylinders

De LONGLOOD CLRG Series Double Acting High Tonnage Hydraulic Cylinders are engineered for extreme lifting, duwen, trekken, and positioning applications requiring high capacity, nauwkeurige controle, and reliable hydraulic retraction.

With a capacity range from 50 naar 1000 ton, stroke options from 50 naar 300 mm, and a maximum operating pressure of 700 bar, the CLRG Series provides powerful hydraulic performance for heavy industrial applications including bridge construction, infrastructure projects, heavy machinery installation, scheepsbouw, and large-scale maintenance operations.

De double-acting hydraulic design provides positive hydraulic retraction, ensuring fast and controlled return movement after lifting operations. Combined with removable grooved saddles, integrated safety features, and durable corrosion-resistant construction, the CLRG Series delivers dependable performance in the most demanding environments.

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CLRG Series Double Acting Cylinder Features

Double Acting Hydraulic System

The double-acting design provides hydraulic power for both extension and retraction.

Voordelen:

• Positive and reliable retraction
• Faster operating cycles
• Improved positioning control
• Suitable for repeated lifting operations
• Better productivity compared with single-acting cylinders

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High Tonnage Lifting Capacity

The CLRG Series is designed for heavy-duty applications requiring exceptional lifting force.

Specificaties:

• Capacity Range: 50–1000 ton
• Stroke Range: 50–300 mm
• Maximale bedrijfsdruk: 700 bar

Available models cover a wide range of industrial lifting requirements.

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Integral Stop Ring Protection

The built-in integral stop ring provides piston blow-out protection.

Voordelen:

• Improves operational safety
• Prevents excessive piston extension
• Protects internal cylinder components
• Extends cylinder service life

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Built-In Safety Valve

A safety valve is installed on the retract side of the cylinder to protect against accidental over-pressurization.

Voordelen:

• Protects hydraulic components
• Reduces risk of cylinder damage
• Improves operator safety

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Plunger Wiper Protection

The integrated plunger wiper reduces contamination entering the cylinder.

Voordelen:

• Protects internal seals
• Reduces maintenance requirements
• Extends cylinder lifespan
• Improves reliability in harsh environments

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Durable Corrosion-Resistant Finish

The cylinder features:

• Baked enamel exterior finish
• Plated piston surface

Voordelen:

• Enhanced corrosion resistance
• Improved wear protection
• Longer operating life

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Bolt-on verwijderbare gegroefde zadels

All CLRG cylinders are equipped with bolt-on removable grooved saddles.

Voordelen:

• Easy replacement
• Improved load stability
• Better adaptability for different applications
• Protects the piston during lifting operations

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Double Acting Cylinder Requirements

Required Hydraulic Power Equipment

A double-acting cylinder must be powered by a hydraulic pump equipped with a 4-way valve.

The 4-way valve controls:

• Cylinder extension
• Cylinder retraction
• Hydraulic flow direction

Pump Selection Recommendation

When selecting a hydraulic pump:

• Ensure the pump includes a 4-way directional control valve.
• Confirm compatibility with the cylinder capacity and hydraulic requirements.
• Use a pump capable of operating at 700 bar maximum pressure.

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Technische specificaties

Specificatie	Details
Product Type	Double Acting High Tonnage Hydraulic Cylinder
Capacity Range	50–1000 Ton
Stroke Range	50–300 mm
Maximum Pressure	700 bar
Operation Type	Double Acting
Return System	Hydraulic Return
Saddle Type	Bolt-On Removable Grooved Saddle

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CLRG Series Applications

The LONGLOOD CLRG Series is widely used in:

Bridge Construction

• Bridge lifting
• Beam positioning
• Pier adjustment
• Structural alignment

Heavy Equipment Installation

• Machinery installation
• Equipment leveling
• Industrial positioning

Infrastructure Projects

• Large structure lifting
• Construction support
• Load adjustment

Shipbuilding and Offshore Engineering

• Heavy component installation
• Structural positioning
• Maintenance operations

Industrial Maintenance

• Heavy machinery repair
• Pressing operations
• Component alignment

Product Advantages

Extremely High Lifting Force

Available up to 1000 ton, suitable for the largest industrial lifting applications.

Controlled Extension and Retraction

The double-acting system provides precise movement in both directions.

Enhanced Safety Design

Multiple safety features protect operators and equipment during heavy lifting.

Heavy-Duty Industrial Construction

Designed for continuous use in demanding environments.

Flexible Application Options

A wide range of capacities and strokes allows selection of the ideal cylinder for different projects.

Safety Guidelines

For safe operation:

• Always select a cylinder with suitable capacity for the load.
• Use only compatible hydraulic pumps equipped with a 4-way valve.
• Never exceed the maximum operating pressure of 700 bar.
• Inspect hoses, couplers, and fittings before operation.
• Ensure the cylinder is placed on a stable lifting surface.
• Confirm the saddle is correctly installed before applying force.
• Avoid side loading unless specifically designed for the application.
• Keep personnel away from the lifting area.

Frequently Asked Questions (FAQs)

1. What is a double acting high tonnage hydraulic cylinder?

A double acting high tonnage hydraulic cylinder uses hydraulic pressure for both extension and retraction, allowing precise control when lifting, duwen, trekken, and positioning extremely heavy loads.

2. What capacity range does the CLRG Series offer?

The LONGLOOD CLRG Series offers:

Capaciteit: 50–1000 tons
Hartinfarct: 50–300 mm

3. What type of pump is required for a double acting cylinder?

A double acting cylinder requires a hydraulic pump equipped with a 4-way directional valve to control both extension and retraction.

4. What is the maximum operating pressure?

The CLRG Series operates at:

700 bar (10,000 psi) maximum pressure.

5. What are the advantages of double acting cylinders?

Compared with single acting cylinders, double acting cylinders provide:

• Faster retraction
• Better control
• Higher operating efficiency
• More precise positioning

6. Why are removable grooved saddles used?

Removable grooved saddles protect the piston surface, improve load contact, and allow easy replacement when required.

7. What industries use 1000-ton hydraulic cylinders?

1000-ton hydraulic cylinders are commonly used for:

• Bridge construction
• Heavy infrastructure projects
• Scheepsbouw
• Industrial installation
• Large machinery positioning

8. How does the safety valve protect the cylinder?

The safety valve prevents damage caused by accidental over-pressurization, protecting internal components and improving operational safety.

9. Can CLRG cylinders be customized?

Ja. LONGLOOD provides OEM and ODM solutions including customized capacity, stroke length, mounting design, saddles, coatings, and hydraulic connections.

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10. Why choose LONGLOOD CLRG Series High Tonnage Cylinders?

De LONGLOOD CLRG Series Double Acting High Tonnage Hydraulic Cylinders combine powerful lifting capacity, reliable hydraulic control, advanced safety features, and durable construction. They are an ideal solution for heavy lifting, industrial positioning, and large-scale engineering projects requiring maximum performance and reliability.

Toepassing van CLRG -cilinders:

• Gecontroleerd tillen en verlagen: Gebruikt voor het vervangen van aanpassingsrollen onder een fly-over, waardoor nauwkeurige controle mogelijk is tijdens het hef- en verlagingsproces.