Catalogue

76 UV-PRC003-EN
Controls
Valves/Piping Package
Control valves are mounted in a factory piping package to include unions at the coil, p/t ports on
the supply and return lines, and shut-off ball valve on the supply and return.
Cooling and heating coil valves are only available as 3-point modulating, non-spring return type
valves. The ambient temperature range is -32°F to 150°F.
Water Pressure Drops in feet for Unit Vent 2- and 3-way Piping Packages
Table 51. 1.9 Cv-rated valves in 1/2-in. piping packages
Piping package Cv rating
Gallons per minute
234567
1 Basic package 1.9 3.2 7.1 12.6 19.5 28.0 38.1
2 with CBV 1.9 5.2 11.7 20.7 32.3 46.4 63.1
3 with strainer and CBV 1.9 5.5 12.4 22.0 34.2 49.2 66.8
Table 52. 4.7 Cv-rated valves in 1/2-in. piping packages
Piping package Cv rating
Gallons per minute
567891011121314
1 Basic package 4.7 4.5 6.3 8.5 11.013.716.820.223.927.932.1
2 with CBV 4.7 17.2 24.7 33.5 43.6 55.1 67.9 – – – –
3 with strainer and CBV 4.7 19.1 27.4 37.2 48.5 61.3 75.5 – – – –
Table 53. 6.6 Cv-rated valves in 3/4-in. piping packages
Piping package Cv rating
Gallons per minute
9 1011121314151617181920
1 Basic package 6.6 4.8 5.9 7.1 8.4 9.8 11.413.014.816.718.720.823.0
2 with CBV 6.6 16.820.725.129.834.940.546.5– – – – –
3 with strainer and CBV 6.6 21.226.231.737.744.251.258.8– – – – –
Piping Valve Options
UV-PRC003-EN.book Page 76 Tuesday, June 4, 2013 8:59 PM