RRH Series Double Acting Hollow Plunger Hydraulic Cylinders

А 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, подъем, тянет, и прессовые операции.

Имея мощности от 30 к 145 тонны, варианты штрихов от 38 к 258 мм, и максимальное рабочее давление 700 бар, the RRH Series delivers powerful and reliable hydraulic performance for industrial maintenance, строительство, and heavy-duty applications.

А 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.

Преимущества:

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

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Double Acting Hydraulic Operation

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

Преимущества:

• 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.

Технические характеристики:

• Диапазон мощности: 30–145 ton
• Диапазон хода: 38–258 mm
• Максимальное рабочее давление: 700 бар

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Built-In Relief Valves

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

Преимущества:

• Защищает внутренние компоненты
• Повышает эксплуатационную безопасность
• Продлевает срок службы цилиндра

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Corrosion Resistant Construction

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

Преимущества:

• Повышенная долговечность
• Более длительный срок службы
• Подходит для промышленных условий

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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:

• РРХ-1001
• РРХ-1508

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Durable Nickel-Plated Floating Center Tube

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

Преимущества:

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

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Защита плунжера стеклоочистителя

Встроенный грязесъемник плунжера уменьшает попадание загрязнений в цилиндр..

Преимущества:

• Защищает внутренние компоненты
• Снижает требования к техническому обслуживанию
• Продлевает срок службы цилиндра

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Полный комплект аксессуаров в комплекте

All RRH Series cylinders include:

• Гидравлическая муфта CR-400
• Пылезащитный колпачок

Обеспечение удобного подключения и защиты при хранении и транспортировке..

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Технические характеристики

Спецификация	Подробности
Тип продукта	Double Acting Hollow Plunger Hydraulic Cylinder
Диапазон мощности	30–145 Ton
Диапазон хода	38–258 mm
Максимальное рабочее давление	700 бар
Тип операции	Двойное действие
Plunger Design	Hollow Plunger
Тип муфты	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
• Структурная перестройка

Промышленное обслуживание

• Equipment alignment
• Component removal
• Heavy machinery repair

Construction Projects

• Структурный лифтинг
• Обслуживание моста
• Расположение установки

Manufacturing Applications

• Прессовые операции
• Assembly work
• Fixture positioning

Heavy Equipment Service

• Machinery repair
• Shaft extraction
• Component adjustment

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Преимущества продукта

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.

Правила техники безопасности

Для безопасной эксплуатации:

• Confirm cylinder capacity matches the required load.
• Inspect couplers, шланги, и фитинги перед работой.
• Never exceed the maximum pressure rating of 700 бар.
• Ensure the hollow plunger is properly aligned before applying force.
• Избегайте боковой загрузки, если она специально не предназначена для данного применения..
• Keep the working area clear during operation.
• Use appropriate personal protective equipment.

Часто задаваемые вопросы (Часто задаваемые вопросы)

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, кабели, или другие компоненты.

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:

• Емкость: 30–145 tons
• Гладить: 38–258 mm

4. What applications require hollow plunger cylinders?

They are commonly used for:

• Cable tensioning
• Bolt tensioning
• Pulling operations
• Shaft removal
• Структурная перестройка
• Обслуживание тяжелого оборудования

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5. Какое максимальное рабочее давление??

The RRH Series operates at:

700 бар (10,000 пси) максимальное давление.

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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. Какие аксессуары входят в комплект поставки цилиндра?

Each RRH Series cylinder includes:

• Муфта CR-400
• Пылезащитный колпачок

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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?

Да. They are designed for professional applications including construction, обслуживание, Производство, and heavy equipment servicing.

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10. Can LONGLOOD customize hollow plunger cylinders?

Да. LONGLOOD предоставляет услуги OEM и ODM, включая индивидуальные мощности., удары, варианты монтажа, гидравлические соединения, покрытия, and branding solutions.

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Why Choose LONGLOOD RRH Series Hollow Plunger Hydraulic Cylinders?

А LONGLOOD RRH Series Double Acting Hollow Plunger Hydraulic Cylinders combine powerful push-pull capability, fast hydraulic retraction, прочная конструкция, and reliable safety features. They provide a versatile hydraulic solution for demanding tensioning, подъем, тянет, and industrial maintenance applications.

Применение цилиндра с полым плунжером: