Polyethylene pipes and fittings welders

Qualification process for welders according to UNI 9737

The certification services offered by RINA under UNI CEI EN ISO / IEC 17024 ACCREDIA accreditation are as follows:

In addition, RINA offers the qualification of thermoplastic piping welding processes according to UNI / TS 11508 and UNI EN 1555-5.

Regulatory Focus

The certification of personnel involved in welding and special processes is now required as objective evidence of the quality of production and the satisfaction of the safety requirements of services and products.
The Ministerial Decree by the Italian Ministry of Economic Development of 16.04.2008 states that the welding of polyethylene pipes for gas distribution must be carried out by personnel holding a qualification certificate issued by a certification body in accordance with the UNI 9737: 2016 standard.

Certification Procedure

The stages of certification access are:


RINA is the first Italian company accredited by ACCREDIA on this standard. We operate throughout the country and collaborate with the largest training centres in the industry.

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