Components: Vessels, Valves & Filtration
Reliable components engineered for performance and safety in demanding industrial environments
Trusted in
System Integration
Our expertise spans multiple sectors, including energy, oil & gas, petrochemicals, and heavy industry, where system reliability, operational safety, and environmental performance are non-negotiable.
Expertise and Capabilities
Proven Engineering Across Key Disciplines
Pressure and Atmospheric Vessels
We specialize in the engineering and fabrication of pressure and non-pressure vessels tailored to specific process requirements. Our designs prioritize safety, optimization, and long-term durability — helping clients meet regulatory and operational goals across a wide range of industrial settings.
Advanced Filtration Solutions
Our filtration systems are designed to protect equipment and ensure long-term, reliable operation. From coalescing filters and oil mist separators to customized filtration skids, we deliver scalable solutions that prevent contamination, extend maintenance intervals, and ensure compliance with environmental and safety standards.
Flow Control and Changeover Valves
Rockfin’s flow control solutions are engineered for continuous operation and reduced downtime. Our changeover valves allow for reliable switching between parallel lines, ensuring uninterrupted system performance during maintenance procedures or fault conditions. Their flexible design enables seamless integration into complex auxiliary systems.

Major Components
Pressure and Atmospheric Vessels
Customized design, proven standards, robust performance
With years of experience in the production of pressure equipment, Rockfin delivers vessels tailored to the specific requirements of your application. We manufacture according to recognized international standards:
- EN 13445
- PED 2014/68/EU
- ASME BPVC Sec. VIII Div.1 with U-Stamp
- AD2000
Our vessels are available in both carbon and stainless steel, in sizes up to:
- 3 meters diameter/width
- 12 meters length
- 30 tons weight
The above dimensions represent our typical production range; however, each project is treated individually to meet the specific needs of our clients.
The welded-bent construction of our atmospheric tanks offers at least 10% weight savings compared to traditional fully welded models — a significant advantage in overall system efficiency.

Filters, Separators, Purifiers
Rockfin delivers high-performance, customized filtration systems designed to protect and ensure the continuous operation of industrial installations and auxiliary systems.
Our offering includes:
- liquid and gas filters
- gas and liquid separator
- oil mist separators
- duplex cartridge filters
- mobile oil purifiers
- oil mist separators
Each product is tailored to customer requirements, applicable industry standards, and the specific conditions of the site location.

Flow Control Valves
Rockfin flow control valves are engineered for critical applications where continuous operation is essential — particularly in rotating equipment, lubrication circuits, and auxiliary systems for turbomachinery and oil & gas installations.
Our changeover valves enable switching between duty and standby lines without interrupting the flow.
Their adaptable configuration allows easy integration with:
- duplex filters
- heat exchangers
- other dual-line systems
Each valve is tailored to the specific needs of the client, installation requirements, and relevant technical standards — ensuring uninterrupted and safe system performance.

PAKS Nuclear Power Plant
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Akkuyu Nuclear Power Plant
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Hinkley Point C (HPC)
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Zukowo
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Małkowo, Gdańsk
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