Pneumatically Actuated Diaphragm Valve, Coefficient of Volume (Cv) 1.2, Nominal Valve Size 1/2 in, Actuator Air Port Connection 1/8 in NPT, Connection Type - Side 1 Flare, Connection Type - Side 2 Flare, For Media Water, Diaphragm Material Reinforced Synthetic Rubber, Operating Temperature - Maximum 281 Degrees F, Maximum Pressure - Operating 1 psi, Body Material Brass, Diaphragm Valve Type 3-Way, Stem Material Stainless Steel, Connection Size - Side 1 1/2 in, Connection Size - Side 2 1/2 in