Manually operated ball valves & closed bottom taper plug valves for gas installations for buildings
This approval requirement specifies the requirements for manually operated ball valves and closed bottom taper plug valves for domestic and commercial installations not directly buried, inside or outside of buildings, using gases of the second and third family as specified in EN 437. The maximum working pressure of the manually operated ball valves and closed bottom taper plug valves are 0,2, 0,5, 1, 5 or 20 bar.
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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.