Cla Val 81664F 7100 Air to Close Inline Control Valve, 2 1 2" FNPT Weld 90° Short Radius and water flow Heavy Duty Construction 0009157 and water flow Heavy Duty Construction Substantially improved die cast aluminum body designed for demanding water truck service A380 Aluminum Die cast from raw A380 aluminum alloy Die Cast in USA New BC2399 body is die cast in the United States Improved Internal Flow Path 2 The redesigned casting retains the proven adjustable band operation of the original UnitedBuilt design while substantially improving the construction of the spray head for demanding water truck and dust control applications 175 PSI maximum Maximum Water Temperature 125°F Cv Factor 72 Weight 19 The Cla Val 81664F Model 7100 is a 2 1 2" air operated