Pressure Dynamics is a trusted provider of specialist engineering solutions for the downstream oil and gas industry, supporting refineries, LNG import terminals, fuel storage facilities, distribution terminals, and petrochemical plants. Our expertise in hydraulics, machining, cranes and lifting, and OEM product supply ensures the safety, reliability, and efficiency of downstream infrastructure from processing and storage to distribution.

Downstream Oil & Gas
With strategically located service teams and decades of experience, we support clients across the full asset lifecycle—from maintenance and shutdowns to capital upgrades and emergency breakdowns. Our solutions reduce downtime, optimise asset performance, and help ensure compliance with stringent safety and environmental regulations that govern critical energy infrastructure.
Hydraulic Systems Engineering
Hydraulic systems play an essential role in the downstream sector, powering loading arms, valve actuation, blending skids, transfer pumps, vapour recovery systems, and more. Pressure Dynamics provides design, maintenance, and optimisation services for these systems, ensuring safe, efficient operation across LNG terminals, tank farms, and petrochemical plants.
We offer system upgrades, emergency repairs, flushing, filtration, and commissioning services, ensuring minimal operational disruption. Our solutions improve system responsiveness, reduce leak and contamination risks, and ensure long-term reliability in high-risk environments.

- Loading Arm Hydraulic Systems
- Valve Actuator Servicing and Calibration
- Hydraulic Power Unit (HPU) Design & Commissioning
- Pump and Motor Overhaul
- Flushing, Testing & Filtration Services
- Custom Hydraulic Control Systems
- Blending & Metering System Hydraulic Support
- Hazardous Area Compliant System Design
Machining Services
Pressure Dynamics delivers precision machining and component refurbishment for critical downstream infrastructure. We support the repair and remanufacture of components used in refining processes, metering systems, compression units, and rotating equipment within petrochemical and LNG processing environments.
We offer reverse engineering of hard-to-source or obsolete parts, helping reduce lead times and costs. Our machining services ensure tight tolerances and high durability, even in corrosive and high-temperature process conditions.

- Custom Machining for Refinery & Terminal Equipment
- Pump, Valve & Compressor Part Repairs
- Shaft & Coupling Refurbishment
- Nozzle, Flange & Pipe Fitting Machining
- Component Repair for Blending & Metering Equipment
- Large-Diameter Threading & Boring
- Precision Grinding & Surface Finishing
- •Reverse Engineering of OEM and Legacy Parts
Cranes and Lifting Equipment
Lifting operations in downstream facilities demand precision, safety, and compliance. Pressure Dynamics delivers end-to-end crane and lifting services, supporting the movement of compressors, heat exchangers, process vessels, pumps, and piping systems within LNG terminals, fuel depots, and refineries.
We provide installation, maintenance, certification, and refurbishment services for lifting equipment, ensuring compliance with API, LOLER, AS, and site-specific safety standards. We also support shutdowns, turnarounds, and emergency lifts.

- Crane Installation, Inspection & Certification
- Maintenance & Repair of Lifting Equipment
- Heavy Component Replacement (Pumps, Heat Exchangers, Skids)
- Load Testing & Proof Load Certification
- Mobile Crane Support During Shutdowns
- Hoist & Winch Servicing
- Gantry & Overhead Crane Installation & Maintenance
- Lifting Equipment Management
OEM Product Supply
We supply high-quality OEM components and engineered systems for use in harsh downstream environments. From hydraulic parts and fittings to customised skid packages and filtration units, our products ensure process reliability and maintenance efficiency in critical fuel and chemical handling operations.
Our team supports clients with product selection, specification, and integration, helping improve plant uptime and meet industry certification requirements.

- Hydraulic Valves, Cylinders & Seals
- Hose Assemblies & Fitting Kits for Loading Systems
- Pumps, Filters & Actuators for Fluid Handling
- Custom Hydraulic Power Units (HPUs)
- Instrumentation & Control Components
- Explosion-Proof Components for Hazardous Zones
- Lubrication & Cooling System Spares
- Hose Management & Asset Tracking Solutions
Commitment to the Downstream Sector
At Pressure Dynamics, we are committed to supporting the safe, compliant, and efficient operation of downstream infrastructure that powers Australia’s energy and industrial sectors. Our proven expertise across refineries, fuel depots, import terminals, and petrochemical sites allows us to deliver targeted engineering solutions that meet the most demanding operational and regulatory requirements.
Whether it’s routine maintenance, a planned turnaround, a major infrastructure upgrade, or an urgent failure response, Pressure Dynamics is a trusted partner to downstream operators looking to reduce downtime, extend asset life, and maintain safe, continuous operations.
Contact us today to discuss how we can support your downstream oil & gas operations.