What we do

Fabrication

STS operates two specialized fabrication workshops in Oman, located at Nizwa and Sohar industrial zones covering a total area of 125,700 sqm. .

Our workshops are well equipped with state-of-the-art fabrication & welding machinery and material handling equipment. Workshop facilities include heavy fabrication bays, vessel fabrication shops, machine shops, areas dedicated to exotic materials welding and aluminium welding.

We have covered fabrication areas in excess of 24,500 sqm. with effective fabrication height of max. 10.5 m under hook and single lift crane capacity of 100 tons. This includes a 3,000 sqm. of covered maintenance shop to cater to pump maintenance, machining and valve repair and testing.

Our operations are certified to EN ISO 9001:2008 Quality management system and shops are approved by Petroleum Development Oman and other major Oil &Gas , Refinery & Petrochemical companies across GCC.

 
Services Offered

Manufacturing of Pressure Vessels
Fabrication & Assembly of Process Skids & Modules
Pipe Spool Fabrication

Welding & Fabrication: 500 + Welding procedures using various welding techniques including GTAW, GMAW, SMAW, SAW, FCAW and Automatic GTAW (Orbital) Welding of exotic materials such as Alloy 625, Alloy 825, 6 Mo, SDSS, DSS, SS316, Low Alloy Steel (P91, P22, P11), Monel ,Hastealloy

Maintenance

  • Maintenance, Repair and Testing of Pumps, Valves and other industrial machinery
  • Machining & Equipment Assembly works

Site Services

  • Field Repair and Modification of existing facility including repair of pressure equipment,
  • Hot tapping
  • Field Tie-ins
Product List
  • Pressure Vessels
  • Columns / Towers
  • Heat Exchangers, Steam Generators (OTSG and HRSG Modules)
  • 3 Phase / 2 Phase Separators
  • Deaerators
  • Scrubbers
  • Pig Launchers & Receivers
  • Test Separators /Steam Separators
  • Fuel Gas Separators / Cyclone Separators
  • Multimedia Filters (MMF) / Sand Filters
  • Nutshell Filters / Coalescer Filters
  • Desalters / Desanders
  • Piping pre-fabrication
  • Skid packages for Gas Treatment
  • Metering Skids
  • Cyclic Steam Services Manifolds
  • Various Pressure Equipment for Water Treatment Plant
  • Storage Tanks of API 650 / EN BS14015 / EN 12285
  • Well head hook up skids
  • Manifold Skids for Water, Oil and Gas
  • Multiport Selector Valves (MSV) skids
  • Chemical Injection Skids
  • Fuel Gas conditioning skids
  • Strainers / Filters
  • Orifice plates and Orifice Assemblies
Special Achievements
  • Fabrication of HRSG / OTSG – First time in Oman
  • Manufactured &Supplied process equipment with more than 40 meter in length
  • Delivered more than 15 clad/weldoverlaid vessels
  • CRA/SDSS Piping Fabrication for Projects outside Oman
  • Supplied more than 30 nos. of ASME Sec. VIII Div. 2, U2 stamped heavy pressure vessels
  • Supplied more than 500 skid packages for various applications for the Oil & Gas Industry
  • Manufactured &Supplied process skids with more than 9 meter in height

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