Our head office in Singapore, with an adequate representative and logistical support, WELDTECH source and develop local resources with local content benefits and mobilization savings passed onto our clients.

All our inspectors, both full-time and freelance are trained and assessed according to WELDTECH’s Competency Management System, which incorporates internationally recognized schemes such as IRATA (Rope Access), PCN, ASNT, CSWIP, API, and LEEA.

  • Radiography Testing – X-Ray & Gamma Ray (Ir-192 , Se-75 & Co-60)
  • SCAR RT (Small Controlled Area Radiography)
  • CR (Computed Radiography)
  • Ultrasonic Testing /PAUT/ TOFD
  • Magnetic Particle Testing
  • Liquid Penetrant Testing
  • Ultrasonic Thickness Measurements
  • Localised Heat Treatment (Pre-Heat & PWHT)
  • Site Furnace PWHT
  • Hardness Test
  • Positive Material Identification
  • Remote Video Scope Inspection
  • Eddy Current
  • IRIS
  • Various Valve Inspection, Repair, Maintenance, Provision and Certification
  • Supply of Qualified Welding Inspectors (QA/QC)
  • Supply of Certified NDT Inspectors

Inspection and Survey Overview

WELDTECH provides Inspection and Survey services to the global industry. We provide these services locally, regionally and globally to international Drilling, Production and EPC companies. We have earned the confidence, trust and respect of these companies by consistently providing maximized quality inspection services and work force, supported by a company-wide commitment to industry best practices. These main inspection services support the cycle of our client’s assets.

Inspection and Survey Services:

  • Derrick Inspections
  • Hull Inspection and Class Surveys
  • Basic NDT Services
  • Advanced NDT Services
  • Lifting Gear Inspection\
  • Dropped Objects Protection Scheme (DROPS)
  • Pipe work and Pressure Vessel Inspection
  • Pressure Device Inspection and Certification
  • Drilling and Hoisting Equipment Inspection
  • Electrical Inspection and Testing
  • Offshore Crane Inspection

Pressure Testing Overview

WELDTECH provides testing and certification of pressure relief valves and pressure monitoring devices to the global oil and gas industry.

We have equipped workshop containers and laboratories with the latest testing and inspection equipment enabling our professionals, to work independent of the asset. For time critical projects (In-Situ), WELDTECH have developed portable mobile calibration units ready for air/ sea freight to offshore Rigs, FPSO’s or production facilities.

With a capacity of up to 36,000 psi, our teams are equipped with the skills and equipment to meet most client inspection and testing requirements.

Whether at our own laboratories or using one of our mobile testing units, WELDTECH only uses experienced, certified professionals to ensure the integrity of PRV’s and pressure monitoring devices. They are also internally certified with C-FOC( Certified For Operation Course) certification, which covers the whole aspect of inspection, certification and repair of the said subject in offshore and onshore facilities. Each test unit carries spare parts and replacements so that changes, repairs and upgrades can be carried out on the spot to minimize system down time.

WELDTECH ’s pressure testing is carried out in accordance with our specific risk assessment and written method statement in place prior to commencing testing operations.

Pressure Testing Services:

  • Pressure Relief Valve Testing and Certification
  • Critical Gauge Testing and Certification
  • Pressure Transmitter
  • Digital Display Testing and Certification
  • Temperature Calibration
  • Etc.

Business Enquiry

No. 53, Tuas South Ave 1, Singapore – 637606
Tel : +65 62613795 ( 3 lines)
Fax : +65 6261 3304
Email :
Website :