Building valves. Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings. Tests and requirements
Building valves. Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings. Tests and requirements
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Building valves. Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings. Tests and requirements

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1   Scope

This document applies primarily to copper alloy and stainless steel ball valves with dimensions DN 6 to DN 100, for installations in buildings for potable water supply up to PN16 and a maximum distribution temperature of 65 °C. Occasional excursions up to 90 °C are permitted for a period of 1 h maximum.
The ball valves are classified by their nominal pressure being either PN10 or PN16.
This document specifies:
  • — the requirements of the materials and the design of ball valves;
  • — the mechanical, hydraulic and acoustic requirements of ball valves;
  • — the test methods to verify the requirements of ball valves;
  • — the marking requirements of ball valves.