Specifications

1" & 2" Combination Large Volume Air Relief and Continuous Acting Air Release & Vacuum Relief Valve
• Install at highest points on filter and pump stations to provide both instantaneous and continuous
air relief
• Install on main manifolds every 1000 feet to introduce air into the irrigation system at shutdown to
prevent pipe collapse
• Install at highest point of slope to provide vacuum relief at system shutdown
Model #ARV-1-A
Model #ARV-2-KA
Specifications
Part Number ARV-1-A ARV-2-KA
Valve Type
Single Acting
Continuous
Dual Acting
Continuous
Connection - male NPT (in) 1 2
Working Pressure (psi) 170 225
Sealing Pressure (psi) 3 3
Volume of air release without valve closing
and without the presence of water (CFM)
41.2 590
Release Air Volume @ 5 psi 8.8 CFM 140 CFM
Units per Box 20 8
Box Weight (lbs) 15 16
Packing Dimensions (in) 15" x 11" x 8"
Continuous Acting Air Release Valves
Unit Glossary:
CFM Cubic Feet per Minute
PSI Pounds per Square Inch
m3/h Cubic Meters per Hour
in Inches
1 Cubic Foot of Water = 7.48 Gallons