Fire Alarm Valve Calculation

[sprinklerdrafting]

Greetings to everybody.
My question to people working with fire sprinklers. So, how to calculate the size of fire alarm valve.
Thank u in advance.

 

[MatthewJWillis]

ummm....Chapter 22 of NFPA #13?



R/
Matt

 

[LCREP]

Call the mfg of the valve, or look at the cut sheet.

 

[cdafd]

=sprinkler drafting


Do you already know the size of the main coming into the building and riser feeding the system??