Integrated Electro-Hydraulic Solutions

Heavy Lifting & Emergency

SCHWERLL Core Solution

Accumulator-Powered Hydraulic Control System for Heavy-Duty Opening & Hoisting

SCHWERLL offers piston‑accumulator‑based hydraulically controlled systems for heavy‑load lifting, opening, and emergency management. These systems feature a reliable energy‑monitoring piston accumulator configuration and an emergency‑management redundancy design. Additionally,...

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Metallurgy & Energy Saving

SCHWERLL Core Solution

Walking-Beam Reheating Furnace Electro-Hydraulic Energy Recovery System

In conventional step‑type heating furnace hydraulic system design, flow is supplied by several constant‑pressure variable‑displacement pumps. Due to load imbalances, the system’s power rating must be sized to...

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Metallurgy & Steelmaking

SCHWERLL Core Solution

BOF Converter Tilting Hydraulic System with Emergency Energy-Storage Backup

  The emergency hydraulic control system for the tilting of the converter skirt is a critical safety device in steelmaking. In the event of a main power outage...

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Blast Furnace Power Source

SCHWERLL Core Solution

Blast Furnace Hydraulic Control System with Accumulator Power Station

  The ironmaking blast furnace hydraulic control system serves as the core power and control hub of the blast furnace’s mechanical equipment, providing high‑pressure, stable hydraulic power for...

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Electric Arc Furnace

SCHWERLL Core Solution

EAF / LF Steelmaking Electrode Hydraulic Control System with Accumulator Backup

In the liquid‑control system of electric‑arc furnace steelmaking, a piston‑type accumulator bank is configured under normal operating conditions to provide pressure stabilization and ensure smooth system performance. When...

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Hydropower & Dam Safety

SCHWERLL Core Solution

Hydropower Intake Gate High-Pressure Hydraulic Hoist Control System

Hydroelectric generating units harness the potential energy of flowing water in a hydromechanical system, characterized by constantly varying flow velocity and discharge, with energy distribution that is far...

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Power Grid & Substation

SCHWERLL Core Solution

Accumulator Hydraulic Operating Mechanism for High-Voltage Gas Circuit Breakers

In high-voltage circuit breakers (such as hydraulic‑operated circuit breakers), When an emergency occurs—such as a complete loss of control power or failure of electric energy storage—an emergency opening...

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Chemical Process Safety

SCHWERLL Core Solution

Emergency Shutdown (ESD) Electro-Hydraulic Actuation System for Chemical Valves

  The electro-hydraulic servo control system for chemical valves is a high-precision automated control device that integrates electrical signal control with hydraulic actuation. It receives electrical signals from...

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Turbine Speed Control

SCHWERLL Core Solution

Hydroelectric Turbine Governor High-Pressure Hydraulic Control System

In accordance with the IEC 61362 standard of the International Electrotechnical Commission, hydraulic‑electrical servo control systems with redundant design are required for turbine governor units. Typically, such systems...

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Die-Casting & Molding

SCHWERLL Core Solution

High-Flow Die-Casting Hydraulic Injection System with Accumulator Assist

With the advancement of accumulator technology—particularly the adoption of piston accumulators equipped with reliable energy‑monitoring systems in industrial forming equipment—the accumulator, as a primary power source, has emerged...

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High-Flow Hydraulic Press

SCHWERLL Core Solution

Hydraulic Press High-Speed Forming System with Accumulator Bank

In hydraulic press equipment—including presses for liquid composite materials such as SMC and LFT, mold‑closing presses, high‑strength steel thermoforming presses with composite drive systems, servo presses, and wire‑wound...

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Heavy Forging & Press

SCHWERLL Core Solution

Open-Die Fast-Forging Press Hydraulic System with Rapid Accumulator Discharge

With the advancement of industry, the dimensions and weights of forgings have been steadily increasing. Consequently, it has become necessary to reduce the installed power rating of free‑forging...

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Alloy Extrusion Systems

SCHWERLL Core Solution

Superalloy Heavy-Duty Extrusion Press Hydraulic Control System

Large‑scale steel extrusion presses require immense metal‑forming forces. The SCHWERLL ultra‑large piston accumulator system is the optimal solution, enabling higher‑capacity extrusion pressures while significantly reducing installed power, effectively...

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Molding Line Automation

SCHWERLL Core Solution

High-Flow Hydrostatic Molding Line Hydraulic Power System with Energy Storage

  SCHWERLL, with its high-end piston accumulators and integrated accumulator systems designed for long-term maintenance-free operation, has secured extensive application opportunities in high-end, high-pressure hydrostatic press forming lines....

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Digital Servo Synchronization

SCHWERLL Core Solution

Multi-Axis Digital Hydraulic Cylinder Precision Synchronization System

When the load requires substantial driving force or has a large surface area, multiple hydraulic cylinders are typically employed. In high‑precision actuation systems, achieving precise synchronous motion among...

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Precision Servo Actuator

SCHWERLL Core Solution

High-Speed Servo Hydraulic Cylinder with Integrated Linear Position Transducer

Servo hydraulic cylinder with a piston rod displacement sensor:   To implement closed-loop control of hydraulic systems—such as flow‑rate regulation—it is essential to accurately measure piston‑rod displacement in...

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Multi-Cylinder Servo Valve

SCHWERLL Core Solution

High-Precision Synchronous Servo-Hydraulic Valve Actuation System

Under operating conditions characterized by large inlet valves or substantial load interfaces, valves such as cylindrical valves can be employed as the actuating mechanism for opening and closing,...

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Power Source Test Bench

SCHWERLL Core Solution

Continuous Constant-Flow Accumulator Power Unit Test Bench

When the test subject or load requires a constant flow rate, an accumulator system capable of delivering high instantaneous flow is employed, with its transient output flow precisely...

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Dynamic Pulse Testing

SCHWERLL Core Solution

High-Flow Hydraulic Pulse Impact & Dynamic Fatigue Testing Rig

When the test specimen or load requires instantaneous impact energy and demands high‑speed response on the millisecond or even nanosecond timescale, piston accumulators—either with or without an energy‑monitoring...

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High-Velocity Ejection Test

SCHWERLL Core Solution

High-Flow Catapult & Ejection Hydraulic Simulation Test Bench

When a load requires an instantaneous burst of force for ejection testing to verify its characteristics, an ejection test must be conducted, necessitating the application of either lateral...

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Marine Wave Compensation

SCHWERLL Core Solution

Offshore Active Wave Compensation System with Dual-Piston Accumulators

For operations conducted on or beneath the water surface, wave‑compensation technologies are required, which can be categorized into active wave‑ compensation systems, passive wave‑compensation systems, and hybrid configurations...

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Subsea & ROV Intervention

SCHWERLL Core Solution

Subsea ROV Rapid Intervention Hydraulic Energy Storage System

Auxiliary Quick-Intervention Accumulator System for Subsea Blowout Preventers (BOPs): Subsea blowout preventers (BOPs) are installed on the seabed, with their upper end connected to the riser system and...

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Offshore Platform Leveling

SCHWERLL Core Solution

Heavy Vehicle & Platform Hydraulic Leveling System with Accumulator Unit

Offshore platforms experience oscillations due to wind, waves, and other environmental factors. Similarly, during operations such as jacking systems, offshore wind‑farm installations, ship positioning, and the stabilization of...

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Ship Replenishment System

SCHWERLL Core Solution

Naval Underway Replenishment (UNREP) Hydraulic Tensioning System

During maritime navigation and operations, waves or strong winds can generate longitudinal and transverse impacts, compromising the vessel’s stable course and operational integrity. To ensure dynamic stability, lateral...

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High-Frequency Fatigue Test

SCHWERLL Core Solution

High-Frequency Alternating Stress Fatigue Testing System for Pressure Vessels

In applications subjected to cyclic stresses, the safety and failure life of metallic or other material components under operating conditions depend on the number of stress cycles. According...

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