RWNA
RWNA Engineering SDN.BHD
Plant Turnaround, Shutdown & Maintenance - RWNA Engineering Sdn. Bhd.
Plant Turnaround and Maintenance

Core Services  /  Turnaround

Plant Turnaround,
Shutdown & Maintenance.

Seamless single-point responsibility covering engineering, procurement, construction, installation, and commissioning — onshore and offshore.

Our Services

Plant Maintenance & Turnaround
01

Plant Maintenance & Turnaround

Comprehensive maintenance for heat exchangers, vessel boilers, vessel reactors, air fin coolers, furnaces, pumps, tank cleaning, and general mechanical plant equipment. Scope includes tube bundle extraction and change-out, high-pressure water jet cleaning of exchanger tubes, and all associated repair works.

Service & Repair of Boilers and Pressure Vessels
02

Service & Repair of Boilers and Pressure Vessels

Full-scope repair and alteration of vessels, boilers, furnaces, heaters, and heat exchangers. Work includes boiler tube replacements, pressure parts rebuild, life-extension upgrades, and open-up, cleaning, and repair of columns, drums, unfired pressure vessels, and non-pressure vessels during plant turnaround or shutdown. Registered DOSH fired & unfired pressure vessel repairer.

Pipeline Contractor
03

Pipeline Contractor

Registered DOSH pipeline contractor for the construction of pipelines and all associated pipeline-related facilities. Experienced in delivering compliant, high-integrity pipeline systems across oil, gas, and industrial environments.

Fabrication & Installation of Piping and Steel Structures
04

Fabrication & Installation of Piping and Steel Structures

End-to-end fabrication and erection of plant process piping, utility piping systems, and structural steelwork. Delivered to client specifications for high-pressure and high-temperature operating environments across refinery, chemical, and utility plant sites.

Advanced Services

Catalyst Change-out Service
05

Catalyst Change-out Service

Full-service catalyst change-out for the refining, chemical, and petrochemical industries. Capabilities cover catalyst loading and unloading, inert entry, product removal, vacuum systems, gravity dumping, high-pressure water services, spent catalyst storage, sock loading, dense loading, and pneumatic loading.

Hook-up & Commissioning Services
06

Hook-up & Commissioning Services

Comprehensive hook-up and commissioning support to bring plant systems online safely and efficiently. Integrated with our engineering and construction teams to provide true single-point responsibility from mechanical completion through to live plant handover.

Authorised. Registered. Certified.

DOSH Registered

Authorised repairer of fired pressure vessels and steam boilers.

DOSH Registered

Authorised repairer of unfired pressure vessels.

DOSH Pipeline Contractor

Registered contractor for pipeline construction and related facilities.

Need Plant Turnaround Services?