RWNA
RWNA Engineering SDN.BHD
Steel Fabrication Works - RWNA Engineering Sdn. Bhd.
Steel Fabrication

Core Services  /  Fabrication

Steel Fabrication Works.

ASME-certified fabrication of critical process equipment for industrial operations.

Our Services

Manufacture, Repair & Alteration of Pressure Vessels
01

Manufacture, Repair & Alteration of Pressure Vessels

Fabrication, repair, and alteration of unfired pressure vessels to ASME U and U2 standards and DOSH requirements. Covers a full range of process equipment including scrubbers, separators, filters, and custom-engineered vessels for oil & gas and petrochemical applications.

Repair of Power Boilers
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Repair of Power Boilers

Authorised repair and alteration of power boilers under ASME S and R stamps. Work scope includes tube replacement, pressure parts rebuild, life extension modifications, and safety system inspections in compliance with regulatory requirements.

Fabrication & Installation of Process and Utility Piping
03

Fabrication & Installation of Process and Utility Piping

End-to-end fabrication and on-site installation of process and utility piping systems. Engineered to withstand high-pressure and high-temperature operating conditions across refinery, chemical, and utility plant environments.

Fabrication & Installation of Steel Structures and Supports
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Fabrication & Installation of Steel Structures and Supports

Custom-designed structural steel fabrication and installation — including pipe supports, equipment frames, access platforms, and industrial support structures — built to client specifications and site requirements.

Our Products

Unfired Pressure Vessels (UPV)
01

Unfired Pressure Vessels (UPV)

Custom-engineered pressure vessels — scrubbers, separators, filters, columns, de-aerators, and strainers — fabricated to ASME and DOSH standards for demanding process environments in oil, gas, and petrochemical industries.

Non-Pressure Vessels (NPV)
02

Non-Pressure Vessels (NPV)

Atmospheric storage tanks, process containers, and ancillary vessels built for safe, long-term storage of liquids and gases. Designed to client specifications for a broad range of industrial storage and process applications.

Launcher & Receiver Systems
03

Launcher & Receiver Systems

Pipeline pigging launch and receiver systems designed for operational reliability and pressure integrity in oil and gas transmission networks. Engineered to accommodate a full range of pig sizes and pipeline operating conditions.

Shell & Tube Heat Exchangers
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Shell & Tube Heat Exchangers

High-performance heat exchangers for demanding thermal duties in oil refineries, petrochemical plants, and large-scale chemical processes. Custom configured to meet specific process and mechanical requirements.

Air Fin Coolers (AFC)
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Air Fin Coolers (AFC)

Engineered air-cooled heat exchange units for industrial environments where cooling water is scarce or impractical. Designed for high thermal efficiency, ease of maintenance, and long operational service life.

Authorised across every standard.

ASME U & U2 Stamp

Certified manufacturer of unfired pressure vessels.

ASME R Stamp

Authorised for power boiler fabrication and repair & alteration.

DOSH Registered

Authorised fabricator and repairer of unfired pressure vessels and steam boilers.

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