Piston Accumulators

Standard hydraulic piston accumulators SK

• Nominal Volume : 0.2 to 600 litre
• Pressure Range : 210 / 350 bar
• Standard Temperature Range : 10°C to +80°C

The Hydac SK Standard Hydraulic Piston Accumulators offer reliable energy storage with volumes from 0.2 to 600 litres and pressure ratings up to 350 bar. Featuring a finely machined cylinder, lightweight floating piston, and customizable sealing systems, they are ideal for diverse hydraulic applications. Corrosion-resistant options and safety devices are available for harsh environments and demanding conditions.

SK High pressure hydraulic piston accumulators

• Nominal Volume : 1 to 50 litre
• Pressure Range : 690 / 800 / 1000 bar
• Standard Temperature Range : 10°C to +80°C

The HYDAC High Pressure SK Piston Accumulators are engineered for demanding applications, offering volumes from 1 to 50 litres and operating pressures up to 1000 bar. Featuring a finely machined cylinder, floating metal piston with high-pressure seals, and corrosion-resistant options, they deliver reliable performance in extreme environments.

Series SK280 piston accumulators are manufactured and tested to PE D 97/23/EC

• Standard 280 bar
• Temperature range: -30 °C ... +80 °C
• Higher pressures on request

The HYDAC SK280 Piston Accumulator is a compact, lightweight energy storage solution rated for 280 bar and tested to PED 97/23/EC standards. Designed with a finely machined cylinder, floating piston, and dual guide rings, it ensures durability, minimal installation space, and reliable performance in temperatures from -30 °C to +80 °C. Integrated features like a standard M28x1.5 gas valve and endurance testing make it ideal for demanding hydraulic applications.

HYDAC Piston Accumulators with Position Indicator offer reliable energy storage with integrated piston position monitoring for enhanced system control and safety. Available with a range of detection options—including electrical limit switches, magnetic sensors, ultrasonic systems, and more—they provide real-time feedback for critical hydraulic applications. Optional safety devices protect against overpressure and temperature extremes, ensuring long-term durability and compliance.

Piston accumulators with position indicators can be equipped with different systems for monitoring the piston position in the piston accumulator.