High-Parameter Seamless Fixed Pressure Vessel Cylinder (Published Configurations to 45 MPa / 2,000 L)
SCHWERLL high-parameter seamless fixed pressure-vessel cylinders are engineered to supply auxiliary gas-side volume for stationary industrial hydraulic accumulator stations and high-pressure fluid power systems. By coupling dedicated stationary pressure vessels to piston accumulators, hydraulic circuits achieve large usable fluid displacement and stabilized pressure delivery under cyclic operating conditions.
Official Stationary Pressure-Vessel Boundary Notice
Stationary Service Scope: This product is presented by SCHWERLL as a fixed/stationary pressure-vessel cylinder for accumulator-system service and is not presented on this page as a transportable compressed-gas cylinder. For multi-vessel storage requirements, review the separate SCHWERLL gas bottle rack / nitrogen storage bank system.
Published Engineering Capabilities
- Published Design Pressure Configurations: 35 MPa / 45 MPa (published capability up to 45 MPa*); final design pressure is confirmed in the approved project quotation and drawing.
- Published Single-Vessel Capacity: Single-vessel capacity up to 2,000 L*; final vessel dimensions and volume are configuration-specific. For multi-vessel storage requirements, review the separate SCHWERLL gas bottle rack / nitrogen storage bank system.
- Construction Type: Seamless Formed Construction for pressure-containing integrity in stationary accumulator-system service.
- Operating Duty Context: Published for cyclic / alternating-pressure service in stationary hydraulic accumulator circuits.
- Service Medium: Gas-side pressure-vessel service for hydraulic accumulator systems (gas medium and compatibility are confirmed for the supplied configuration).
- Connection Interfaces: Gas-side and system port interfaces are project configured per layout and piping requirements.
- Material Selection: Vessel material is selected according to the approved design pressure, cyclic-duty requirements, applicable design requirements and project specification.
- Inspection & Testing: Inspection, testing and documentation requirements are defined according to the approved vessel configuration, applicable project requirements and agreed quality scope; required inspection or test activities are confirmed according to the applicable design route and agreed project scope.
Technical Specifications Table
| Parameter / Scope | Published Engineering Specification |
|---|---|
| Product Entity Type | Stationary / Fixed Pressure Vessel Cylinder (Accumulator Gas-Side Service) |
| Published Pressure Capability | 35 MPa / 45 MPa published configurations (published capability up to 45 MPa*); final rating confirmed per project documentation |
| Published Capacity Capability | Single-vessel capacity up to 2,000 L*; project-specific dimensions confirmed per drawing |
| Shell Construction | Seamless Formed Construction |
| Duty Context | Cyclic / alternating-pressure service in stationary hydraulic accumulator circuits |
| Service Medium | Gas-side pressure-vessel service for hydraulic accumulator systems (gas medium and compatibility are confirmed for the supplied configuration) |
| Connection Basis | Gas-side and system port interfaces are project configured per layout and piping specification |
| Material Selection | Vessel material is selected according to the approved design pressure, cyclic-duty requirements, applicable design requirements and project specification |
| Inspection & Testing Scope | Inspection, testing and documentation requirements are defined according to the approved vessel configuration, applicable project requirements and agreed quality scope; required inspection or test activities are confirmed according to the applicable design route and agreed project scope |
| Design-Code & Documentation Basis | Applicable pressure-vessel design-code, conformity-assessment and documentation requirements are reviewed according to project specification and destination (e.g. ASME Section VIII or EU PED design/conformity requirements where specified) |
| Quality Management | Corporate ISO 9001:2015 QMS |
Stationary Industrial Applications
- Secondary gas-side volume backup for large industrial accumulator systems and hydraulic power units
- Energy storage reserves for heavy industrial hydraulic press lines and forging equipment
- Emergency shutdown and reserve fluid power actuation stations
- Pressure stabilization and gas reserve buffering in high-pressure test facilities
Quality Management & Regulatory Review
SCHWERLL operates under an ISO 9001:2015 corporate quality management system governing manufacturing, precision machining, and assembly workflows. Applicable pressure-vessel design-code, conformity-assessment and documentation requirements (e.g. ASME Section VIII or EU PED design/conformity requirements where specified) are reviewed according to project specification and destination. Third-party inspection or witness requirements may be coordinated where agreed in project scope.
