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Large-Volume Piston Accumulator System

Based on a modular design, the overall volume (V0) of the piston accumulator system can be unlimited. To meet extremely high flow‑rate requirements under specific operating conditions—such as reducing the installed power of the host equipment and achieving energy savings—it is necessary to perform calculations and system matching using gas thermodynamic equations. SCHWERLL’s large‑capacity piston accumulator systems can deliver a single unit with a total volume of 100,000 liters or more. SCHWERLL ensures the supply of high‑quality, large‑scale piston accumulators through its proprietary design capabilities, in‑house facilities for constructing large systems, and comprehensive testing infrastructure.

Category:

Product Series

Energy storage system integration

Piston accumulator system

Keyword:

Standard accumulator

Product Attachment:


  • Product Description
  • SCHWERLL’s ultra‑large‑capacity piston accumulator systems are designed and constructed in full compliance with the certification standards for special‑purpose piston accumulators, the certification requirements for large stationary pressure vessels, and the industrial piping design and construction codes applicable to high‑pressure gas‑side pipelines (DN ≥ 50 mm), thereby delivering robust piston accumulator systems that meet stringent cleanliness and safe‑operation criteria.

    The product advantages of the Sevier ultra-large piston accumulator system include:

    1. High-pressure gas stainless steel piping with a double-seal system

    2. Special lubrication treatment for rubber seals under nitrogen service conditions

    3. Ultra-low installation stress assembly process for the system

    4. Professional piston accumulator sealing system

    5. Pressurized Gas Piston Position Monitoring System

    6. Equipped with a professional large-diameter high-pressure gas safety valve.

    7. Special drain‑maintenance valve for the bottom of large‑capacity nitrogen tanks

    8. Uses professional high-pressure nitrogen inflation and a shut-off valve.

    9. Installation, configuration, pressure, and piston position display device

    10. Installation of professional SCHWERLL large‑diameter, high‑flow ball valves that can be easily operated by hand (DN65/DN80/DN100/DN125/DN160 mm)

    11. SCHWERLL possesses a factory testing system for large piston-type accumulator systems with specialized industry‑specific functions.

    12. SCHWERLL has extensive experience in integrating high-pressure and large-volume systems.  

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Our company's new products

Standard piston accumulator

Schwerll standard piston accumulators are suitable for the vast majority of industrial applications, compatible with mineral hydraulic oils, water‑emulsions, water‑glycol fluids, phosphate esters, and other media. The products comply with the special‑equipment regulations and standards of the country or region where they are installed and used. Individual piston accumulators offer capacities up to 1,500 L, with design pressures reaching as high as 207 MPa, and piston speeds of up to 5 m/s. Sever in piston accumulators can be equipped with a variety of proven gas‑charged fluid‑level monitoring systems.
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High-Parameter Piston Accumulator

XIVEL manufactures a series of standard piston accumulators in strict compliance with the certification requirements for special‑purpose equipment in major countries and regions worldwide. These accumulators are designed to withstand pressures of up to 200 MPa, with individual units offering nominal volumes of up to 1,500 L. They are suitable for applications involving high‑frequency transfer functions at frequencies of 200 Hz and above, with piston speeds reaching a maximum of 9 m/s. XIVEL’s piston accumulators are engineered for a wide range of demanding operating conditions and media, and the company provides specialized solutions tailored to fluids such as water‑glycol, phosphate ester, and mineral hydraulic oils.
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Lightweight piston accumulator

On mobile devices, aircraft, and marine vessels such as speedboats, there are stringent weight‑reduction requirements for accumulators. Sevier employs electron‑beam welding technology to manufacture lightweight piston accumulators that comply with pressure vessel codes, thereby meeting the diverse industrial applications that demand reduced weight.
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Piston displacement energy monitoring system

Schwerll Company provides a stable and reliable piston displacement monitoring system for piston accumulators and their associated systems. Through displacement sensors installed on the gas side and externally, the system monitors the liquid level within the piston accumulator and calculates flow rate. This allows for monitoring of the gas energy within the piston accumulator or system, ensuring the accumulator's operating status. Energy monitoring is especially crucial when the accumulator serves as a necessary power source for the system.
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