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Hänchen Hydraulic Cylinders

We offer a variety of specialty hydraulic cylinders for many industrial and mobile applications, including on and offshore oil industry, injection molding machines, locks and dams, steel industry, testing equipment and more. Cylinders are available in different types such as telescopic, servo cylinders high frequency oscillating, large bore, long stroke, etc.

Hydraulic Test Cylinders

One of the largest testing ranges in the market, offering lightweight models for static applications or high frequency cylinders for dynamic testing.

Standard Hydraulic Cylinders

Standard Hydraulic Cylinders with a wide variety of standard dimensions, connections, and mounting options.

Hydraulic Rod-Locking Device

Rod Locking Devices are a safety holding device that prevents movement until released by hydraulic pressure.

Custom Hydraulic Cylinders

Custom Cylinders can be specifically tailored to almost any requirements you can imagine.

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What Makes Us Different?

100% German-Made

100% made in Germany with incredible attention to detail to your exact specifications ensuring a perfect fit for your application.

Largest Testing Range

Largest testing range in the marketing, offering lightweight servo actuators for static applications or high frequency cylinders for dynamic testing.

Custom Fit

Bores adjustable to the millimeter, meaning your cylinder is built from a solid block of steel (320 series) including no leakage, long service life, and good data.

Product Guide

Test Cylinders 101

Test Cylinders 101

What are Test Cylinders?

Test cylinders are used extensively in the testing sector and can be used for checking the functional safety of systems, component parts or products, for structural testing of airplanes, refrigeration compressors, automobile exhaust systems, or for simulating loads and movements, such as operational profiles and flight profiles.

Benefits

High speeds and lateral forces up to 4 m/s (157 in/s)

High stability and rigidity, as the entire cylinder body is machined from one solid block of steel (in 320 series)

Compact design and more force in a smaller space compared to electric actuators

No leak oil pump design

Stick-Slip in Hydraulic Cylinders

Our Hydrostatic Design

Product Guide

Test Cylinders 101

Applications and Solutions

Application Examples and Solutions

Hydraulic Test Cylinders are used in a wide variety of applications including automotive testing such as lifecycle tests, aerospace system tests such as load and environmental condition simulation, and fluid power operating condition simulation.

Automotive

Servo hydraulic lifecycle tests are the current industry standard for automobile components that are used far beyond safety-related structural elements. Users can depend on hydraulic test actuators for high positioning accuracy and reliability in applications for test systems and real time control. A test cylinder with a dynamic lift of up to 35 mm (1.3 in.), speed of 1.3 m/s (51.2 in/s), and acceleration of up to 50 m/s (1968.5 in/s) could be used for a test load requiring up to 28 kN (6,294 lbf) and a frequency up to 20 Hz.

Aerospace

System tests that simulate loads and environmental conditions in different flight phases are particularly demanding. To test the landing flaps and slats, servo hydraulic cylinders could be used here to replicate the airflow that involves rapidly changing forces with irregular parameters. For example, a servo cylinder with a bore between 40 to 160 mm (1.5 to 6.2 in.) could be used for a test stand with a holding force between 140 – 300 kN (31.4 to 67.4 lbf) and a stroke requirement of 300 to 1,670 mm (11.8 to 65.7 in.).

Fluid Power

To determine the characteristic values of a seal, seal test benches are suitable for simulating a wide range of operating conditions. Double rod cylinders could be used here for fatigue tests focused on examining the frictional force of the seals, tightness on rods and shafts.

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Frequently Asked Questions

Lightweight versus heavyweight applications

Series 120 and 300 are a lightweight servo actuator perfect for static applications, while Series 320 features a hydrostatic design that is constructed for high frequency dynamic testing. Read more information on Test Cylinders here.

Yes!

We offer both replacement parts for specific cylinders as well as the ability to replace cylinders based on part numbers, so long as they are still in stock. If you have a part number, reach out to us here for more information or a quote.

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Hydraulic motors

These hydraulic motors are provided by Jahns. The addition of this product range to their catalog gives them a greater manufacturing depth and guarantees a higher-level of product quality. The company utilizes CNC machining centers to manufacture products in small batches. All products are checked in their test facilities before they leave the plant.

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Hydraulic Motors

Hydraulic Motors — Radial Piston Motors

Radial Piston Motors offer high volumetric and mechanical efficiencies using a radial arrangement of five or seven cylinders.

Hydraulic Motors — Planetary Gear Drive

Planetary Gear Drive reduction units are available for just about any hydraulic or electric motor.

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Rotary Actuators

IC Series

Pressure Intensifiers

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Flow Dividers 101

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Jahns Hydraulic Flow Dividers

Flow dividers are available through Jahns. The addition of this product range to their catalog gives them a greater manufacturing depth and guarantees a higher-level of product quality. The company utilizes CNC machining centers to manufacture products in small batches. All products are checked in their test facilities before they leave the plant.

Hydraulic Gear Flow Divider

2 to 12 section dividers. Flow Rate: 0.4 gal/min. to 58 gal/min per section. Working Pressure: up to 4600 psi.

Radial Piston Flow Divider

2 to 12 section dividers. Available in up to 5 sizes. Flow Rate: 1 gal/min. to 145 gal/min per section. Working Pressure: up to 3500 psi. Synchronization Tolerances: ±0.5 to ±0.8%.

Volumetric Flow Divider

3 to 8 section dividers. Available in up to 8 sizes. Flow Rate: 10 gal/min to 79 gal/min per section. Working Pressure: up to 6100 psi.

Valve Block Flow Divider

High synchronization accuracy even with different loads and low flows, small installation space, and low weight.

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What Makes Us Different?

Greater Capabilities

Capable of handling bigger pressure differences between sections than other leading brands.

High Synchronization

Synchronization tolerances as precise as ± 0.5 up to ± 0.8 % for applications needing high accuracy tolerances.

Fast Shipping

Flexible and fast shipping with the option to manufacture and ship at an expedited rate, depending on model and availability.

Product Guide

Flow Dividers 101

Flow Dividers 101

What are Flow Dividers?

When you have multiple motors or cylinders connected to one pump, they cannot operate simultaneously because power is not evenly distributed to each component. Flow dividers simplify this problem by splitting the flow from one source into two or more output parts, which can be equal or unequal.

Common Flow Divider Designs

The most common flow dividers include the gear-type and spool design. For applications requiring extremely high accuracy (greater than 99%), radial piston and volumetric flow dividers work best.

Gear flow dividers (2 to 12 sections): Gear flow dividers are a cost-effective way to divide flow without losing a large amount of energy or heat. Comparatively to spool dividers, these devices are more tolerant of contamination.

Spool flow dividers (2 sections): Spool flow dividers rely on pressure compensation to divide flow. This design is limited to just two sections that can be split evenly, 50:50, or unequally. Spool flow dividers are well-suited for applications where synchronization is flexible and complete accuracy is not a requirement.

Radial piston flow dividers (2 to 12 sections): Radial piston flow dividers are designed with high accuracy in mind, but have higher pressure drops than gear flow dividers.

Volumetric flow dividers (3 to 8 sections, 2 to 12 chambers): The volumetric design functions by volume dosage and the exchange between a volume synchronizer and working cylinders. The volumetric design is for high accuracy applications and has lower pressure drops compared to radial piston dividers.

Product Guide

Flow Dividers 101

Applications and Solutions

Application Examples and Solutions

Some common applications of flow dividers include synchronizing fluid motors and hydraulic cylinders, and intensifying pressure in hydraulic pumps. Our flow dividers are available with or without pressure relief valves to protect hydraulic systems from excessively high pressures.

Synchronization

In the case where multiple cylinders need to move something in sync, flow dividers offer a great solution. This is useful, for example, in lifting platforms, where the platform must remain level to prevent binding in the guiding mechanisms as well as for the objects on top of the platform.

Pressure Multiplication

Flow dividers can be utilized as a pressure multiplier. This type of hydraulic circuit can be used where a low-pressure circuit is already in use and where there is only need of high-pressure flow.

Hydraulic Driving

This is achieved by adding an extra section of equal or greater displacement to the flow divider. The return line of this section is connected directly to tank so that it in effect works as a motor for the other sections in the flow divider thereby increasing their outlet pressures.

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Frequently Asked Questions

6 weeks.

There is a standard lead time of 6 weeks on gear and radial piston flow dividers. For specific models or other flow divider types, please reach out to us directly at sales@icfluid.com.

20-30% charge

We offer expedited manufacturing from 1-day manufacturing at a 30% charge or 3-day manufacturing at a 20% charge, plus shipping time on gear and radial flow dividers, depending on production capabilities and availability.

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Application Examples and Solutions

Home / Products / Rotary Actuators

Hydraulic Rotary Actuators

Hydraulic rotary actuators are known for their ability to produce power quickly in comparison to pneumatic and electric. From high quality, custom-designed actuators to ready drop-ins with fast lead times and flexible shipping options, we provide the best solution for your application needs.

Eckart Rotary Actuators

Often custom-designed to meet specific needs, hydraulic rotary actuators provide durability and dependability.

IC Series Rotary Actuators

Compact actuators with high torque and bearing capacity with short lead times and flexible shipping methods.

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What Makes Us Different?

Helical Spline Design

Helical gear rotary actuators are designed with space in mind and are suitable for many applications needing a compact solution.

Drop-In Replacements

The IC Series can be used as a drop-in replacement to Helac’s rotary actuators and offers quick lead times (22-26 weeks) or 10-14 weeks with expedited shipping.

Customized Solutions

70% of Eckart’s rotary actuators are custom-designed to meet customer needs. Tell us your application and we will present you with an optimal solution.

Product Guide

Rotary Actuators 101

Rotary Actuators 101

What are Rotary Actuators?

In its simplest form, a rotary actuator is a device that uses hydraulic fluid to generate rotary motion without a linkage. These devices come in handy when applications call for any form of transporting, securing, or positioning of parts.

How do Rotary Actuators Work?

In terms of design, rotary actuators are most often configured as vane type, rack-and-pinon type, or helical spline actuators.

IC-Fluid Power’s rotary actuators are the helical spline design. This means, a piston and a helix, or sliding spline, work together to convert the linear motion of the piston into rotational motion. Helical spline actuators function when the piston is axially displaced using hydraulic pressure causing simultaneous rotation of the piston.

Hydraulic rotary actuators are typically designed to operate at low speeds and produce high torque through arc lengths ranging between 90°, 180°, 270°, and 360°. They also can be configured up to 720° or more by making the spline gears longer while maintaining the same diameter.

Rotary Actuator Benefits

Hydraulic rotary actuators are known for their strong ability to produce power quickly. In comparison to pneumatic and electric rotary actuators, hydraulic actuators are the most powerful and have the capacity to achieve a torque output up to 2,200,000 Ibs-in (250,000 Nm) as a helical spine actuator and even higher as a rack and pinion actuator.

Product Guide

Rotary Actuators 101

Application Examples and Solutions

Application Examples and Solutions

From manipulating the angle of a boom in construction applications to opening or closing flaps in the aircraft and aerospace industries, rotary actuators are dependable and durable devices used for a wide range of uses.

Simple Tool Changes

Gate Valve Control

Tipping Devices

Simple Tool Changes

Rotary actuators can function as simple tool changers. One example of this is using a rotary-linear actuator for a pallet changer that weighs 1,000 kg. This device is a combination of a rotary actuator and a dual-action linear cylinder, allowing for full flexibility in a minimal amount of space. Since the rotary actuator and the linear cylinder are hydraulically driven separately, any movement sequences can be selected: for example, rotating to the left and right, extending linearly, and retracting.

Gate Valve Control

A rotary actuator could also be used for gate valve control too. While a hydraulic rotary actuator may be more expensive than pneumatic actuators, these devices have a higher level of precision, require less space, and can achieve high torque outputs. Other uses for rotary actuators include linear actuation, bending machines, work piece positioning, rotational devices, and transport applications.

Tipping Devices

One common application is using a rotary actuator for tipping devices. A helical rotary actuator, for example, would be a suitable option for bin tippers in waste management applications due to its high torque in a compact package.

Other Uses

Other uses for rotary actuators include linear actuation, bending machines, work piece positioning, rotational devices, and transport applications.

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