Certified Pressure Welding
Precision welding solutions for high-risk industrial projects, delivered in full compliance with AS/NZS, ASME and ISO standards.
Overview
Certified pressure welding is essential in industries where safety, reliability, and compliance are critical. At MW John Welding Services, we deliver qualified pressure welding solutions aligned with AS/NZS, ASME and ISO standards, with a strong focus on QA/QC, safety, and traceability.
We work with pipelines, pressure vessels, boilers and structural components, using approved procedures and certified techniques to ensure consistent, high-integrity results. Whether it’s new construction, site maintenance or urgent repairs, we bring the experience and certification needed to deliver the job safely and to spec.
Based in Queensland, we’re fully mobile and regularly support remote projects, shutdowns, and complex sites across power, mining, processing, and infrastructure.
Key Capabilities
Certified to AS/NZS, ASME and ISO standards
Experienced with carbon steel, stainless, duplex and aluminium
Pipework, pressure vessels, and structural welding
Full documentation and traceability
Ideal for shutdowns, upgrades, and repair work
Mobile team available for remote and regional sites
MW John Welding Services supports:
- Petrochemical & Gas Infrastructure
- Power Generation Facilities
- Mining & Agriculture Plants
- Sugar Mills & Processing Industries
- Structural Fabrication Projects
- Industrial Maintenance and Repairs
We had a persistent issue with cracking welds after cooldown due to the material composition. Matthew from MW John Welding Services quickly identified the root cause through thorough QA/QC and recommended the correct procedure. His expertise not only resolved the issue but also improved overall weld strength. Highly professional and incredibly knowledgeable — a great outcome.
Joshua Wharton
Customer
Need Certified Pressure Welding On Site?
We’re available for shutdowns, upgrades and project-based work — backed by proven procedures, full QA/QC, and qualified supervision.