Anti-flooding valves,non-fecal sewage: Temperature resistance (NT VVS 054)

Size: 93.59 KB
Print
  • Report #: NT VVS 054
  • Approved: February 1987
  • Hits: 0

Abstract

This NORDTEST method may be used to test whether an anti-flooding valve for non-fecal sewage is resistant to the temperatures which may occur in the sewer system and to establish whether the antiflooding valve tightend up in case of impounded, polluted water.

Nordtest

Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.