Pressure Dynamics is a trusted provider of specialist engineering services to the Australian and New Zealand defence sectors, supporting the operational readiness of naval platforms and associated infrastructure. Our core capabilities in hydraulics, machining, cranes and lifting, and OEM product supply ensure the performance, safety, and compliance of mission-critical systems across the full asset lifecycle.

Defence Sector
We are extremely proud to support the ANZ Defence Forces and their tier-one contractors through the construction, commissioning, modernisation, sustainment, and active service phases. Drawing on our Australian heritage, strategically located facilities, and highly skilled local workforces, we deliver fit-for-purpose solutions that uphold operational availability, sovereign capability, and long-term value for national defence assets.
Hydraulic Systems Engineering
Hydraulic systems are critical to the functionality of surface ships, submarines, and naval infrastructure, from weapons handling and steering systems to deck machinery, stabilisers, and platform automation. Pressure Dynamics offers comprehensive hydraulic engineering services, including system design, upgrade, fault diagnosis, and lifecycle management, ensuring safe and reliable performance under mission-critical conditions.
Our teams provide tailored solutions across build programs, dockyard integration, and at-sea support, with extensive experience servicing high-pressure systems, cylinders, and naval-rated HPUs. We work to AS and MIL-spec standards, supporting platform compliance and NATO interoperability.

- Naval Hydraulic System Design & Engineering
- HPU Supply, Testing & Commissioning
- Actuator, Ram & Cylinder Manufacture & Repair
- Weapon Handling & Launch System Support
- Stabilisation, Steering & Fin Actuation Systems
- Hydraulic Flushing, Filtration & Cleanliness Management
- Hydraulic Power and Control System Upgrades
- •Deck Equipment Hydraulic Maintenance (winches, cranes, lifts)
Machining Services
Precision machining is fundamental to sustainment and readiness in the maritime defence environment. Pressure Dynamics supports shipbuilding programs, fleet sustainment contracts, and rapid in-field repairs through our advanced machining capabilities. We manufacture and refurbish bespoke and legacy components, meeting tight tolerances and defence material standards.
We work across surface combatants, support vessels, and naval infrastructure, with the ability to reverse engineer mission-critical components and reduce reliance on long-lead OEM supply chains.

- Custom Machining for Naval Equipment Components
- Component Repair & Refurbishment to Defence Standards
- Shaft, Coupling & Bearing Housing Repairs
- Valve, Flange & Pipe Fitting Manufacture
- Reverse Engineering of Obsolete Parts
- Large-Diameter Boring, Milling & Threading
- Certified Material Traceability & Defence-Grade Coatings
- Onsite Machining Support for Dry Dock and Afloat Repairs
Cranes and Lifting Equipment
Lifting operations aboard naval vessels and within defence facilities demand strict compliance with safety and load-handling protocols. Pressure Dynamics delivers crane and lifting solutions aligned to API, AS, and defence-specific standards, supporting shipyard construction, maintenance activities, and onboard material handling.
Our experienced team delivers end-to-end services, from design and certification to repair, refurbishment, and load testing. We support the installation and compliance management of deck cranes, davits, weapon lifts, and hangar handling systems.

- Naval Crane & Lifting System Supply & Installation
- Deck & Hangar Crane Maintenance & Certification
- Weapon Lift & Loading System Inspections
- Load Testing & Proof Load Certification
- Winch, Hoist & Davit System Refurbishment
- Confined Space Lifting Solutions
- Load Path Inspection & Rigging Gear Testing
- Loose Lifting Equipment Inspection
OEM Product Supply
We provide defence-compliant OEM components and assemblies for hydraulic and mechanical systems used in naval applications. Our deep product knowledge ensures the right item is specified for the task, reducing procurement delays and ensuring sustained system integrity and reliability.
Our offerings include HPUs, valves, seals, hose kits, pressure sensors, filters, and custom-fabricated spares, all compliant with Australian and NATO standards where applicable..

- Naval-Grade Hydraulic Components & HPU Assemblies
- Custom Hose Kits & Fittings (Mil-spec & AS Standard)
- Seal Kits & O-Rings for Defence Systems
- Load-Specific Rigging & Handling Equipment
- Certified Lubrication & Filtration Systems
- Submarine-Grade Actuation Components
- Deck Equipment Spares & Components
- Custom Packs for Maintenance & Rapid Deployment
Our Commitment to the Defence Sector
At Pressure Dynamics, we are passionate about supporting Australia and New Zealand’s naval capabilities. We work in close partnership with defence primes, shipbuilders, and sustainment providers to ensure that platforms, systems, and infrastructure operate safely, efficiently, and in line with the highest compliance standards.
Contact us today to discuss how we can support your defence operations.