Home » Marine & Offshore Engineering » Pressure Vessel & Tank Manufacturing

Pressure Vessel & Tank Manufacturing

ASME U & U2, and R Stamp Certification

At Unithai we design and manufacture Pressure Vessels for our customers in compliance with the ASME Section VIII Div. 1 and Div. 2.

Our capability is to manufacture large diameter, heavy weight pressure vessels for a range of industrial sectors including Petrochemical, Wastewater, Pharmaceutical, Oil & Gas and Renewable Energies.

Our onshore services repair include:

  • Plant maintenance & repairs
  • Shutdowns / turnarounds
  • Emergency repairs (immediate response)
  • Field erected equipment
  • Construction
  • Piping installation
  • HRSG (Cogen) erection
  • Heat Exchanger bundle pulling and rebuild
  • In-situ overlay and specialty welding
  • Boiler maintenance and rebuild
  • Vessel tray installation

Additional service are:

  • Design (PV Elite, PV Fabricator and NozzlePro software).
  • Fabrication
  • Plate roll up to 130 mm
  • Insulation
  • Testing
  • Installation
  • Coating
  • Hydrostatic Test
  • Post Weld Heat Treatment
  • Other low temperature applications

Products:

  • Pressure Vessel manufacture Size 2- 6 Diameter
  • Storage Tanks Size 6 -50 Diameter
  • LNG Tanks
  • LPG Bullets
  • Process Pressure Vessels

Material:

  • Carbon
  • P265 GH Carbon Steel
  • SA516 Gr60 & SA516 Gr70 Carbon Steels
  • 304/304L & 316/316L Stainless Steels Stainless
  • 9%Ni

Facilities:

  • 3,240 m2 Workshop equipped with 2x 50 ton overhead cranes
  • Four Roll Plate Rolls x 4 meters wide
  • Roll Carbon Steel plate 25mm – 130 mm thickness
  • CNC Plate cut & bevelling machine
  • CNC Pipe nozzle cut and bevel machine
  • Submerged Arc Welding (SAW) 1200amp
  • Tandem Arc weld process
  • SAW Column & Boom with 7 meter reach
  • 20 ton, 40 ton & 120 ton Weld Rotators
  • In-house Jetty for direct load out to Sea Transportation