Thanks for the comments (I have been out for a bit). The situation is that on new residential construciton over a certain square footage, fire protection in required. We (the water company) require 1" meter pits for these new proterties. So, yes we have 1" meter settings with residential fire...
We spec Mueller Thermal-Coil meter box 330CS2136FFBN for our 1” meters for combined domestic and fire service. We recently heard some concerns from one fire suppression system designer about the head losses through this type of meter setting. I have not seen the flow curve, and was wondering...