RCH Series Spring Return Single Acting Hollow Plunger Hydraulic Cylinders

Tus LONGLOOD RCH Series Spring Return Single Acting Hollow Plunger Hydraulic Cylinders are designed for professional applications requiring reliable push and pull hydraulic force in a compact and versatile cylinder design.

With a hollow plunger structure, these cylinders allow rods, kab, and other components to pass through the center opening, making them ideal for tensioning, rub, nqa, nias, and mechanical maintenance operations.

The RCH Series combines a single-acting spring return system, durable construction, and corrosion-resistant protection to provide dependable performance in demanding industrial environments.

Muaj nyob rau hauv capacities los ntawm 13 rau 95 tons, with stroke lengths from 8 rau 155 mm and center hole diameters from 19.6 rau 79 mm, the RCH Series offers a flexible hydraulic solution for various industrial applications.

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RCH Series Hollow Plunger Cylinder Features

Hollow Plunger Design for Push and Pull Applications

The unique hollow plunger design allows the cylinder to perform both pushing and pulling operations.

Key benefits:

• Suitable for tensioning applications
• Allows rods and cables to pass through the center hole
• Supports both compression and pulling forces
• Provides greater flexibility compared with standard cylinders

Typical applications include:

• Cable tensioning
• Bolt tensioning
• Shaft pulling
• Component extraction
• Structural adjustment

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Single Acting Spring Return System

The RCH Series uses hydraulic pressure for extension and an internal spring mechanism for automatic return.

Qhov zoo:

• Simple and reliable operation
• Fast piston return
• Reduced hydraulic system complexity
• Improved working efficiency

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Smooth Saddle Design

Most RCH Series cylinders are equipped with smooth saddles to provide stable contact during operation.

Cov txiaj ntsig:

• Protects the plunger surface
• Improves load distribution
• Provides stable lifting support
• Reduces wear during operation

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Durable Nickel-Plated Floating Center Tube

Models above 20 tons feature a nickel-plated floating center tube designed to increase product durability.

Qhov zoo:

• Improved corrosion resistance
• Reduced wear
• Extended service life
• Reliable performance under repeated use

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Corrosion-Resistant Construction

The baked enamel exterior finish provides enhanced protection against corrosion.

Cov txiaj ntsig:

• Suitable for industrial environments
• Improves durability
• Helps maintain long-term performance

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Easy Installation and Fixturing

The collar thread design allows simple installation and secure mounting.

Qhov zoo:

• Easy fixture integration
• Improved positioning stability
• Convenient setup for different applications

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Technical Specifications

Specification	Details
Product Type	Single Acting Hollow Plunger Hydraulic Cylinder
Hom rov qab	Caij nplooj ntoos hlav rov qab
Peev Xwm Ntau	13–95 Ton
Stroke Range	8–155 mm
Kev ua haujlwm siab tshaj plaws	700 bar
Center Qhov Diameter	19.6–79 mm
Plunger Design	Hollow Plunger

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RCH Series Applications

The LONGLOOD RCH Series cylinders are widely used in:

Kev Kho Vaj Tse

• Component removal
• Equipment repair
• Machinery maintenance

Tensioning Applications

• Cable tensioning
• Rod tensioning
• Bolt tensioning

Construction Projects

• Structural adjustment
• Kev tu choj
• Installation positioning

Manufacturing Applications

• Pressing operations
• Assembly work
• Fixture applications

Heavy Equipment Service

• Shaft removal
• Mechanical alignment
• Hydraulic maintenance

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Product Advantages

Push and Pull Capability

The hollow plunger design provides both pushing and pulling functionality, making it suitable for complex hydraulic tasks.

Compact and Flexible Design

The compact structure allows installation in limited working spaces.

Reliable Automatic Return

The spring return system provides efficient operation without requiring hydraulic retraction.

Long Service Life

High-quality materials, nickel-plated components, and protective coatings ensure durability.

Wide Application Range

Multiple capacities and stroke options allow users to select the right cylinder for different projects.

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Cov Lus Qhia Txog Kev Nyab Xeeb

For safe operation:

• Select a cylinder with suitable capacity for the application.
• Never exceed the maximum working pressure of 700 bar.
• Ensure the cylinder is positioned on a stable surface.
• Check the hollow plunger alignment before applying pressure.
• Inspect hoses, khub niam txiv, and fittings before use.
• Avoid side loading unless the application allows it.
• Keep the working area clear during operation.
• Wear appropriate protective equipment.

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Frequently Asked Questions (FAQs)

1. What is a hollow plunger hydraulic cylinder?

A hollow plunger hydraulic cylinder has a central opening through the piston, allowing rods, kab, or other components to pass through while applying hydraulic force.

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2. What are the advantages of the RCH hollow plunger design?

The hollow plunger design allows:

• Push and pull operations
• Through-hole applications
• Tensioning work
• Greater installation flexibility

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3. What is the capacity range of the RCH Series?

The LONGLOOD RCH Series offers:

• Muaj peev xwm: 13–95 tons
• Mob stroke: 8–155 mm
• Center Qhov Diameter: 19.6–79 mm

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4. How does the spring return system work?

The cylinder extends when hydraulic pressure is applied. When pressure is released, the internal spring automatically retracts the plunger.

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5. What is the maximum operating pressure?

The RCH Series is designed for:

700 bar (10,000 psi) maximum operating pressure.

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6. What applications require hollow plunger cylinders?

Common applications include:

• Cable tensioning
• Bolt tensioning
• Pulling operations
• Shaft extraction
• Structural adjustment
• Industrial maintenance

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7. What is the purpose of the center hole?

The center hole allows rods, kab, or other components to pass through the cylinder, enabling pulling and tensioning operations.

8. Are RCH Series cylinders easy to install?

Yes. Collar threads allow simple mounting and secure fixture installation.

9. What is the difference between a hollow plunger cylinder and a standard hydraulic cylinder?

A standard cylinder mainly provides pushing force, while a hollow plunger cylinder can perform both pushing and pulling operations through its center opening.

10. Can LONGLOOD customize RCH Series cylinders?

Yes. LONGLOOD provides OEM and ODM services, including customized capacity, stroke ntev, center hole dimensions, mounting options, coatings, and branding solutions.

Why Choose LONGLOOD RCH Series Hollow Plunger Cylinders?

Tus LONGLOOD RCH Series Spring Return Single Acting Hollow Plunger Hydraulic Cylinders combine compact design, push-pull capability, reliable spring return operation, and durable construction. They are an excellent choice for professional users requiring versatile hydraulic solutions for tensioning, nqa, rub, and maintenance applications.

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