RRH Series Double Acting Hollow Plunger Hydraulic Cylinders

The 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, өргөх, татах, and pressing operations.

хүртэлх хүчин чадалтай 30 руу 145 тонн, stroke options from 38 руу 258 мм, and a maximum operating pressure of 700 баар, the RRH Series delivers powerful and reliable hydraulic performance for industrial maintenance, барилгын, and heavy-duty applications.

The давхар үйлдэлтэй гидравлик систем 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.

Давуу тал:

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

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Давхар үйлдэлтэй гидравлик ажиллагаа

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

Тал нь:

• Fast piston return
• Improved operation efficiency
• Хөдөлгөөний нарийн хяналт
• Reduced downtime between cycles

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High Capacity Performance

The RRH Series provides reliable hydraulic force for demanding applications.

Үзүүлэлтүүд:

• Хүчин чадлын хүрээ: 30–145 ton
• Цус харвалтын хүрээ: 38–258 mm
• Ашиглалтын хамгийн их даралт: 700 баар

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Built-In Relief Valves

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

Тал нь:

• Дотоод бүрэлдэхүүн хэсгүүдийг хамгаална
• Improves operational safety
• Цилиндрийн ашиглалтын хугацааг уртасгана

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Corrosion Resistant Construction

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

Давуу тал:

• Бат бөх чанарыг сайжруулсан
• Үйлчилгээний хугацаа урт
• Suitable for industrial environments

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Easy Installation with Collar Threads

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

Мөнгөн дэвсгэрт: 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.

Тал нь:

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

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Plunger арчигч хамгаалалт

The integrated plunger wiper reduces contamination entering the cylinder.

Давуу тал:

• Дотоод бүрэлдэхүүн хэсгүүдийг хамгаална
• Reduces maintenance requirements
• Цилиндрийн ашиглалтын хугацааг уртасгана

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Complete Accessories Included

All RRH Series cylinders include:

• CR-400 hydraulic coupler
• Dust cap

Providing convenient connection and protection during storage and transportation.

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Техникийн үзүүлэлтүүд

Тодорхойлолт	Дэлгэрэнгүй мэдээлэл
Бүтээгдэхүүний төрөл	Double Acting Hollow Plunger Hydraulic Cylinder
Хүчин чадлын хүрээ	30–145 Ton
Цус харвалтын хүрээ	38–258 mm
Ашиглалтын хамгийн их даралт	700 баар
Үйл ажиллагааны төрөл	Давхар жүжиг
Plunger Design	Hollow Plunger
Холбогч төрөл	CR-400
Гадаргуугийн хамгаалалт	Жигнэсэн паалантай өнгөлгөө

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RRH Series Applications

LONGLOOD Hollow Plunger Cylinders are widely used in:

Tensioning Applications

• Кабель чангалах
• Rod tensioning
• Боолтыг чангалах
• Structural adjustment

Үйлдвэрийн засвар үйлчилгээ

• Equipment alignment
• Component removal
• Heavy machinery repair

Construction Projects

• Structural lifting
• Bridge maintenance
• Installation positioning

Manufacturing Applications

• Дарах үйлдлүүд
• Assembly work
• Fixture positioning

Heavy Equipment Service

• Machinery repair
• Босоо амны олборлолт
• Component adjustment

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Бүтээгдэхүүний давуу тал

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.

Аюулгүй байдлын удирдамж

For safe operation:

• Confirm cylinder capacity matches the required load.
• Inspect couplers, хоолой, and fittings before operation.
• Never exceed the maximum pressure rating of 700 баар.
• 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.

Байнга асуудаг асуултууд (Түгээмэл асуултууд)

1. Хөндий поршений гидравлик цилиндр гэж юу вэ?

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, кабель, эсвэл бусад бүрэлдэхүүн хэсгүүд.

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:

• Хүчин чадал: 30–145 tons
• Тархины цус харвалт: 38–258 mm

4. What applications require hollow plunger cylinders?

They are commonly used for:

• Кабель чангалах
• Боолтыг чангалах
• Pulling operations
• Shaft removal
• Structural adjustment
• Хүнд тоног төхөөрөмжийн засвар үйлчилгээ

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5. What is the maximum operating pressure?

The RRH Series operates at:

700 баар (10,000 psi) maximum pressure.

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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. What accessories are included with the cylinder?

Each RRH Series cylinder includes:

• CR-400 coupler
• Dust cap

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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?

Тиймээ. They are designed for professional applications including construction, maintenance, үйлдвэрлэл, and heavy equipment servicing.

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10. Can LONGLOOD customize hollow plunger cylinders?

Тиймээ. LONGLOOD provides OEM and ODM services including customized capacities, цус харвалт, суурилуулах сонголтууд, hydraulic connections, coatings, and branding solutions.

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Why Choose LONGLOOD RRH Series Hollow Plunger Hydraulic Cylinders?

The 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, өргөх, татах, and industrial maintenance applications.

Hollow Plunger Cylinder Application: