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Certification

Polyethylene Pipe Welders

UNI 9737

The Scope

Certification of Polyethylene Pipe Welders verifies the competence, qualifications, and practical skills of personnel performing welding activities on polyethylene piping systems used in gas distribution and other utility networks. The certification ensures that welders possess the knowledge and technical capability to perform welding operations safely, consistently, and in compliance with recognised industry standards and regulatory requirements.

The certification supports quality assurance, operational safety, and the integrity of polyethylene piping systems by ensuring that welding activities are carried out by qualified personnel.

The Standard

This certification is based on:

01

UNI 9737 – Qualification of Polyethylene Pipe Welders

02

EN 13067 – Qualification of Welders for Thermoplastics Welding

03

UNI CEI EN ISO/IEC 17024 – Conformity Assessment – General Requirements for Bodies Operating Certification of Persons

04

UNI/TS 11508 – Qualification of Welding Procedures for Thermoplastic Materials

05

UNI EN 1555-5 – Polyethylene Piping Systems for Gas Supply

06

Applicable national regulations governing polyethylene pipe welding activities

The certification evaluates the welder's theoretical knowledge, practical skills, and ability to perform welding operations in accordance with established technical and safety requirements.

Who Should Apply

This certification is suitable for personnel and organisations involved in the installation, construction, maintenance, and repair of polyethylene piping systems.

The certification is particularly relevant for:

01

Polyethylene Pipe Welders

02

Gas Pipeline Installation Technicians

03

Utility Network Contractors

04

Gas Distribution Companies

05

Water Distribution Contractors

06

Infrastructure and Civil Engineering Contractors

07

Pipeline Construction Companies

08

Utility Maintenance Service Providers

09

Thermoplastic Welding Specialists

10

Organisations involved in polyethylene pipe installation and maintenance

This certification is ideal for professionals seeking to demonstrate welding competence, comply with regulatory requirements, enhance employability, improve quality and safety standards, and support the integrity and reliability of polyethylene piping systems.