Water Distribution

Question 1

When pressure exceeds 550 kPag (80 Psig)

Answer 1

A (PRV) pressure reducing valve should be installed before the meter

Question 2

NPCC max static pressure in a occupied building

Answer 2

550 kpa (80 Psig)
 280 kpa to 420 kpa ( 40 Psig to 60 Psig) is adequate in most residential and commercial buildings over 60' in elevation