RACH Series Single Acting Aluminum Hollow Plunger Hydraulic Cylinders

El LONGLOOD RACH Series Single Acting Aluminum Hollow Plunger Hydraulic Cylinders are designed for applications requiring both high-force pulling and pushing in a lightweight, portable package. Con un center-hole hollow plunger, single-acting spring return, y 700 bar (10,000 PSI) presión de funcionamiento, these cylinders are ideal for tensioning, cable pulling, shaft removal, bearing extraction, bolt stretching, and heavy lifting.

Fabricado a partir de aleación de aluminio de alta resistencia, the RACH Series is significantly lighter than comparable steel cylinders, making it easy to transport and ideal for field service, construcción, minería, mantenimiento de puentes, ingeniería costa afuera, y mantenimiento industrial.

Available in capacities from 20 a 150 montones con 50 a 250 mm trazos, the RACH Series delivers outstanding performance while reducing operator fatigue and improving productivity.

RACH Series Features

Diseño de émbolo hueco

The center-hole plunger allows the cylinder to be used for both pushing and pulling applications. It is ideal for tensioning rods, pulling shafts, removing bearings, extracting sleeves, and prestressing operations.

Construcción de aluminio ligero

Fabricado con aleación de aluminio de grado aeroespacial de alta resistencia, the cylinder offers exceptional durability while significantly reducing overall weight compared with steel hydraulic cylinders.

Retorno por resorte de simple efecto

La presión hidráulica extiende el pistón mientras que un resorte interno de alta resistencia lo retrae automáticamente después de liberar la presión., improving efficiency and reducing operating time.

Émbolo de acero cromado duro

The precision-machined hollow piston features a hard chrome-plated surface for excellent wear resistance, protección contra la corrosión, y buen funcionamiento.

Corrosion-Resistant Aluminum Body

The hard-coated aluminum body provides excellent protection against corrosion and harsh working environments, making it suitable for indoor, outdoor, y aplicaciones marinas.

Composite Bearing System

Heavy-duty composite bearings minimize friction, improve side-load resistance, and extend service life.

Anillo de tope integral

A built-in stop ring prevents over-extension of the piston and enhances operational safety.

Lightweight and Portable

The aluminum construction allows operators to easily transport, posición, and install the cylinder in difficult working environments.

Compatible with Pulling Accessories

The hollow plunger design allows use with threaded rods, puller systems, tensioning equipment, and other hydraulic accessories.

700 Bar Maximum Operating Pressure

Engineered for reliable operation at 700 bar (10,000 PSI) to deliver powerful hydraulic performance.

Aplicaciones

The RACH Series is widely used for:

• Desmontaje de rodamientos
• Shaft extraction
• Gear pulling
• Extracción de poleas
• Bolt tensioning
• Cable tensioning
• Construcción de puentes
• Prestressing applications
• Mantenimiento de aerogeneradores
• Mantenimiento ferroviario
• Reparación de equipos mineros
• instalación de maquinaria pesada
• Construcción naval e ingeniería offshore
• mantenimiento industrial
• Fabricación de acero

Especificaciones técnicas

Especificación	Detalles
Serie de productos	RACH
Tipo de cilindro	Single Acting Aluminum Hollow Plunger Hydraulic Cylinder
Tipo de retorno	Retorno de primavera
Capacidad	20–150 toneladas
Ataque	50–250 milímetros
Presión de funcionamiento máxima	700 bar (10,000 PSI)
Material del cilindro	Aleación de aluminio de alta resistencia
Material del émbolo	Acero cromado duro
Tipo de cilindro	Hollow Center Plunger
Acabado superficial	Aluminio resistente a la corrosión con revestimiento duro

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Ventajas del producto

Hollow Center Design

Allows both pushing and pulling applications using threaded rods and hydraulic pulling systems.

Construcción ligera

The aluminum body significantly reduces weight, making transportation and installation easier than traditional steel cylinders.

Excellent Corrosion Resistance

Hard-coated aluminum construction provides long-term durability in outdoor, costa afuera, y ambientes húmedos.

Rendimiento alto

Delivers reliable lifting and pulling force at 700 bar for demanding industrial applications.

Larga vida útil

Premium seals, rodamientos compuestos, and hard chrome-plated pistons ensure dependable performance with minimal maintenance.

Wide Application Range

Suitable for maintenance, construcción, minería, fabricación, transporte, energía, and heavy industry.

Modelos disponibles

20 Ton Series

Modelo	Capacidad (Tonelada)	Ataque (milímetros)	Capacidad petrolera (cm³)	Altura colapsada (milímetros)	Altura extendida (milímetros)	Peso (kilos)
RACH-202	20	50	164	188	238	5.2
RACH-204	20	100	327	251	351	6.1
RACH-206	20	150	491	315	465	7.1
RACH-208	20	200	654	378	578	8.0
RACH-2010	20	250	818	442	692	9.0

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30 Ton Series

Modelo	Capacidad (Tonelada)	Ataque (milímetros)	Capacidad petrolera (cm³)	Altura colapsada (milímetros)	Altura extendida (milímetros)	Peso (kilos)
RACH-302	30	50	256	208	258	8.0
RACH-304	30	100	511	267	367	9.5
RACH-306	30	150	766	333	483	11.2
RACH-308	30	200	1022	395	595	12.9
RACH-3010	30	250	1277	458	708	14.5

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60 Ton Series

Modelo	Capacidad (Tonelada)	Ataque (milímetros)	Capacidad petrolera (cm³)	Altura colapsada (milímetros)	Altura extendida (milímetros)	Peso (kilos)
RACH-602	60	50	423	251	301	16.2
RACH-604	60	100	847	315	415	19.5
RACH-606	60	150	1270	380	530	25.6
RACH-608	60	200	1694	445	645	26.0
RACH-6010	60	250	2117	510	760	29.6

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100 Ton Series

Modelo	Capacidad (Tonelada)	Ataque (milímetros)	Capacidad petrolera (cm³)	Altura colapsada (milímetros)	Altura extendida (milímetros)	Peso (kilos)
RACH-1002	100	50	823	258	308	33.8
RACH-1004	100	100	1646	325	425	39.8
RACH-1006	100	150	2487	391	541	46.2
RACH-1008	100	200	3291	459	659	52.2
RACH-10010	100	250	4114	527	777	58.8

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150 Ton Series

Modelo	Capacidad (Tonelada)	Ataque (milímetros)	Capacidad petrolera (cm³)	Altura colapsada (milímetros)	Altura extendida (milímetros)	Peso (kilos)
RACH-1502	150	50	1129	280	330	48.9
RACH-1504	150	100	2258	360	460	55.7
RACH-1506	150	150	3387	430	580	63.0
RACH-1508	150	200	4517	500	700	70.1
RACH-15010	150	250	5646	570	820	77.2

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Preguntas frecuentes (Preguntas frecuentes)

1. What is a hollow plunger hydraulic cylinder?

A hollow plunger hydraulic cylinder has a center hole through the piston rod, allowing threaded rods, cables, or puller accessories to pass through. This makes it suitable for both pushing and pulling applications.

2. What are the advantages of an aluminum hollow hydraulic cylinder?

The aluminum construction reduces weight while maintaining high strength, making the cylinder easier to transport, instalar, and operate in field applications.

3. What applications are hollow hydraulic cylinders used for?

They are commonly used for bearing removal, shaft extraction, bolt tensioning, cable pulling, prestressing, flange maintenance, gear removal, y sistemas de elevación sincronizados.

4. What hydraulic pump is compatible with the RACH Series?

The RACH Series is designed for use with any 700 bar (10,000 PSI) bomba hidráulica de simple efecto.

5. How does the spring return system work?

La presión hidráulica extiende el pistón., while the internal spring automatically retracts it when the pressure is released, allowing quick and efficient operation.

6. Can the RACH Series be used for both pushing and pulling?

Sí. The hollow center design allows the cylinder to be used for both pushing and pulling when combined with suitable accessories such as threaded rods and puller attachments.

7. Is the aluminum body corrosion resistant?

Sí. The hard-coated aluminum body offers excellent corrosion resistance, making the cylinder suitable for outdoor, marina, and humid working environments.

8. Can LONGLOOD provide customized hollow hydraulic cylinders?

Sí. We offer OEM and ODM services, including custom capacities, trazos, center-hole sizes, opciones de montaje, bandera, and branding.

9. How should the cylinder be maintained?

Regularly inspect seals, Mantenga limpia la varilla del pistón., use aceite hidráulico limpio, check hydraulic connections for leaks, Y almacene el cilindro en un ambiente seco cuando no esté en uso..

10. Why choose LONGLOOD RACH Series Aluminum Hollow Plunger Hydraulic Cylinders?

The LONGLOOD RACH Series combines construcción ligera de aluminio, a versatile hollow plunger design, 700 bar de rendimiento de alta presión, y ingeniería de precisión to provide a reliable solution for demanding lifting, tracción, tensar, y aplicaciones de mantenimiento. Designed for maximum portability and durability, these cylinders are trusted by professionals in construction, minería, energía, transporte, and heavy industry worldwide.