This edition significantly improves upon its predecessors by including specific, detailed procedures for plastic, composite, and press-fit piping systems , reflecting modern installation trends.

BESA TR6 provides comprehensive guidelines for the verification of cleanliness in ventilation systems. It outlines the standards required to ensure that air distribution systems do not become a source of contamination or a fire hazard. The document covers several critical areas:

: Sprinkler systems, compressed air networks, gas pipework, and fuel oil lines. Why Following TR/6 Matters

: For many closed systems (like LTHW or CHW), the test pressure is typically 1.5 times the maximum working pressure