Self-closing gas valves
This approval requirement applies to self-closing gas valves to be mounted in high-impact polyvinylchloride (PVC-HI) tapping saddles for gasless tapping high-impact polyvinylchloride (PVC-HI) distribution lines and gasless installing of inflatable pipe plugs. The self-closing gas valves are for use in gas installations for 2nd and 3rd family gases according to NEN-EN 437 for gas pressures up to and including 200 mbar.
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For who?
Manufacturers, grid companies, representatives, retailers, constructors and in installers.
Process steps
An approved quotation is the beginning of a tested and an approved product. You'll find the most important steps on the right. For more information you can contact our certification engineers.
Initial product assessment
The assessment to determine if all requirements in the approval requirement are met.
The result
The result is a certificate upon which is mentioned to which requirements the product complies.
Product verification
The assessment performed after granting certification to determine that the certified products still comply with the requirements in the approval requirement.
Control on quality system requirements
Control on following the IQC scheme (as described in the approval requirement) and the procedures.