Tightness Check (TRWI)

According to the Technical Rules for Water Installations (TRWI), the following tightness checks must be performed  at water pipeworks:
  • tightness check of connecting pieces (6 bar)
  • tightness check acc. to DIN EN 806-4  – with drinking water resp. compressed air – (11 bar)
The ecom pressure meters overviw outlines which model fits which application.