Overview Resilient seat three-way valves provide control for HVAC system applications including chilled water, hot water, cooling tower water, and thermal storage systems. Product Specifications Dimensions (in.)Assembly--Length: 22-1/8 in.; Height: 28 in.; Width: 12-1/8 in.; Neck: 7-1/2 in.; Radius; 4-5/8 in. Dimensions (mm)Assembly--Length: 561 mm; Height: 711 mm; Width: 307 mm; Neck: 191 mm; Radius; 117 mm IncludesPosition indicator Weight (lb)425.9 lb Weight (kg)193.6 kg MountingANSI Flanged Shipping and Storage Temperature Range (F)-40 F to 250 F Shipping and Storage Temperature Range (C)-40 C to 121 C EnclosurePneumatic Ambient Temperature Range (F)Actuator-- -40 F to 176 F Ambient Temperature Range (C)Actuator-- -40 C to 80 C Connection TypeLugged Body Pattern3 way (A-AB-B porting) Pipe Size (inch)5 in. Pipe Size (DN)DN125 Maximum Differential Pressure Ratings (Close-off) (psi)50 psi Maximum Differential Pressure Ratings (Close-off) (kPa)345 kPa Capacity (Cv)at 60 degrees stroke--428 Cv; at 90 degrees stroke--1376 Cv Capacity (Kv)at 60 degrees stroke--370 kvs; at 90 degrees stroke--1190 kvs Valve ActionNormally Closed Valve TypeButterfly Controlled FluidChilled or hot water with up to 50% Glycol. Not for use with steam or fuels. Materials (Body)Polyester-coated cast iron ASTM A126 Class B Materials (Seat)Peroxide-cured EPDM resilient seat Materials (Stem)416 Stainless Steel Flow CharacteristicModified Equal Percent ActuationPneumatic, Modulating w/positioner, bidirectional Static Pressure Rating (psi)250 psi Maximum Static Pressure Rating (kPa)1724 kPa Maximum Flange Bolts8, Flange Bolt Thread--3/4 in. -10 pitch Materials (Plug/Ball/Disc)Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)