Cualificación de soldadura · Precision stainless steel fabrication for containment systems

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Stainless steel welding is a critical process in the manufacturing of containment systems used in pharmaceutical and radiopharmaceutical environments. Comecer provides qualified welding procedures designed to ensure structural integrity, cleanability, and compliance with GMP expectations.

The welding process directly affects system performance, surface quality, and long-term reliability. For this reason, Comecer applies controlled procedures, qualified personnel, and certified standards to ensure repeatable and documented results.

Controlled welding processes for containment applications

Comecer manufactures containment enclosures and components using AISI 316L stainless steel with mirror-brite finish, selected for its corrosion resistance and suitability for cleanroom and aseptic environments.

All welding activities are performed using TIG (Tungsten Inert Gas) welding, a process chosen for its precision, repeatability, and ability to produce high-quality welds with minimal contamination risk.

• Use of AISI 316L stainless steel for pharmaceutical applications
• TIG welding for controlled heat input and surface quality
• Processes designed to support cleanability and material integrity

This approach supports the manufacturing of systems intended for controlled environments where surface finish and weld quality are directly linked to contamination control and operational safety.

Qualified procedures and certified operators

Welding activities are performed by qualified operators in accordance with documented procedures certified by a notified body. Each phase of the welding process is defined, controlled, and recorded to ensure traceability and consistency across production.

The qualification framework is based on internationally recognized standards:

• EN ISO 15614-1 (PQR) – validation of welding procedures
• EN ISO 15609-1 (WPS) – definition of welding parameters and execution
• EN 287-1 (WPQ) – qualification of welder performance

These standards define how welding procedures are developed, tested, and applied, ensuring that weld quality is reproducible and documented.

Alignment with international welding and GMP requirements

In addition to European standards, Comecer welding qualifications are aligned with international frameworks such as ASME Boiler and Pressure Vessel Code Section IX, which governs welding and qualification processes.

For pharmaceutical environments, welding quality contributes to compliance with cleanroom and containment expectations defined in standards such as ISO 14644-1 and regulatory frameworks including EU GMP Annex 1.

Comecer applies these standards to ensure that welded components are suitable for use in controlled environments where surface integrity and cleanability are critical.

Welding processes supporting system performance and cleanability

Through qualified welding procedures, certified operators, and controlled fabrication processes, Comecer supports the production of containment systems designed for demanding pharmaceutical applications.

• Consistent weld quality and structural integrity
• Surface finishes suitable for cleaning and decontamination
• Documented processes supporting traceability and inspections

This approach contributes to the reliability of containment systems used in pharmaceutical and radiopharmaceutical production.

Discuss your fabrication and qualification requirements

Comecer provides welding specifications and qualification documentation as part of its containment system projects. Contact our team to discuss requirements related to your Comecer equipment.