Overview Three-pipe, sequencing, pneumatically operated water valve for controlling both hot and cold water flow in fan-coil and induction units. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Corrosion resistant. Molded-in composition discs for tight shutoff. Flare connections for easy installation. Operator rotates 360 degrees for convenient air piping alignment. Product Specifications Dimensions (in.)9 7/8 in. high x 5 1/8 in. diameter Dimensions (mm)257 mm high x 130 mm diameter Temperature Range (F)35 F to 250 F; Maximum Actuator Temperature--160 F Temperature Range (C)2 C to 121 C; Maximum Actuator Temperature--71 C Operating Humidity Range (% RH)5 to 95% RH Connection Size (in.) O.D.:1/2 in.; Nominal 3/8 in. Connection Type45 deg. SAE flare Body Pattern Three-way Diverting sequence Spring Range (psi) Adjustable Spring Range (kPa) Adjustable Air connections1/8 in. NPT Capacity (Cv) Port A:4 Cv, Port B: 2.5 Cv Capacity (Kv) Port A: 3.5 Kv, Port B: 2.2 Kv Valve ActionProportional/Sequencing Valve TypeUnitary Body Pressure (psi)250 psi Body Pressure (kPa)1724 kPa Maximum Diaphragm Pressure (psi)25 psi Maximum Diaphragm Pressure (kPa)172 kPa Controlled FluidWater Close-off Ratings at Branch Line Pressure 15 psid at 13 psi