Hydrostatic Testing and Flushing

Pressure Dynamics provides specialist hydrostatic pressure testing and precision flushing services for hydraulic and fluid systems. Our ISO/IEC 17025:2017 NATA-accredited laboratory, capable of testing assemblies up to 400MPa, ensures verified structural integrity for hoses, valves, cylinders, and manifolds under stringent conditions.

 

In addition to in-house testing, our mobile field teams support flushing and contamination control in operational plants, reflecting our broader strength in hydraulic filtration, flushing, and commissioning services. All activities adhere to fluid cleanliness standards (ISO 4406, NAS 1638, AS 4059) to prevent component failures and maximise system reliability.

 

Hydrostatic Pressure Testing

Hydrostatic pressure testing is the most reliable way to verify the structural integrity and pressure containment of fluid system components before service or after maintenance. Our testing supports a wide range of industries, including energy, marine, defence, resources, and infrastructure, helping ensure regulatory and OEM compliance under operating loads.

 

Pressure Dynamics’ NATA-accredited ISO/IEC 17025:2017 laboratory delivers traceable, repeatable, and certified results for pressure testing activities up to 400 MPa. All test profiles include detailed documentation such as pressure charts, medium specification, hold durations, and final certification, making it suitable for FAT/SAT, commissioning, and recertification projects.

 

Services include
  • NATA-accredited testing facility for components up to 400 MPa
  • Suitable for hydraulic and pneumatic systems using water, oil, or nitrogen
  • Used for valves, hoses, accumulators, cylinders, manifolds & control units
  • Failure testing available under controlled conditions for product development
  • Integration into installation and shutdown work scopes
  • Digital pressure data logging with real-time graphing
  • Third-party witnessing and multi-client test support available

Fluid Flushing & Cleanliness Validation

Contamination is a major cause of premature component failure in hydraulic and mechanical systems. Pressure Dynamics provides high-velocity flushing and filtration services using ISO- and NAS-compliant equipment, including mobile rigs, laser particle counters, and data logging systems to validate fluid cleanliness in real time.

 

We flush hydraulic circuits, gearboxes, lube systems, and process lines to ISO 4406, NAS 1638, and AS 4059 standards. Our services are routinely integrated into commissioning, fluid management, or refurbishment scopes—either in-house or on-site—ensuring long-term reliability and OEM warranty protection for critical systems.

 

Services include
  • Flushing to ISO 4406, NAS 1638, and AS 4059 cleanliness levels
  • Mobile flushing rigs available for onshore and offshore deployment
  • In-line particle counting with digital logging and trend reporting
  • Used for commissioning new equipment or recommissioning after shutdowns
  • Prevents wear, blockages, and component degradation from fluid contaminants
  • Supports acceptance testing for OEM and client specifications
  • Integrated into filtration and nitrogen testing service offerings

Testing and Flushing Applications

Pressure Dynamics’ hydrostatic testing and flushing services are used across greenfield builds, brownfield upgrades, and operational troubleshooting scopes. Our team supports pre-commissioning, scheduled shutdowns, emergency repair validation, and asset lifecycle extension programs across multiple industries.

 

Whether used to validate a new pressure line, confirm post-maintenance integrity, or flush out critical fluid systems before startup, our services are tailored for reliability, safety, and regulatory compliance. Testing can be completed in our controlled workshop environment or mobilised to site with certified portable equipment.

 

Services include
  • High-pressure system validation for FPSOs, drilling rigs, and refineries
  • Commissioning support for hydraulic power units (HPUs) and subsea systems
  • Cleanliness testing of closed-loop hydraulic and lube systems
  • Post-repair testing of actuators, valves, hoses, and cylinders
  • Recertification and compliance support for defence and marine systems
  • Integration into shutdown planning and reliability improvement programs
  • Fluid system audits and root cause investigation of failures

Why Choose Pressure Dynamics

Pressure Dynamics offers one of the few ISO/IEC 17025:2017 NATA-accredited hydrostatic testing facilities in Australia, capable of handling high-pressure test demands up to 400 MPa. Combined with our mobile flushing and fluid validation capabilities, we deliver full-spectrum support for fluid system commissioning and compliance.

 

We align our services with broader scopes including hydraulic installation and commissioning, filtration and flushing, and custom-built hydraulic test rigs available for sale or short-term hire. With ISO-certified procedures, real-time data capture, and full integration into QA frameworks, our solutions are trusted across Australia’s most demanding industrial sectors.

 

Services include

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