Dear all ,
Good Day ,
one of the ongoing project , i have to provide a test connection for periodic inspection in Foam sprinkler system main riser after the proportioner. my basic question is , what is the size would be ? please suggest.
Foam system main Riser Pipe dia is 3" or Greater, shall i consider same size as Main riser or Can i go with 1"
NFPA 16 Saying in test connection 5.14
system test connection shall be sized to accommodate both the low flow of proportioner and maximum anticipated flow through the proportioner