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: 11 in.; Height: 10-15/16 in.; Width: 10-1/16 in.; Neck: 5-1/2 in.; Radius; 2-1/4 in. Dimensions (mm)Assembly--Length: 279 mm; Height: 277 mm; Width: 258 mm; Neck: 140 mm; Radius; 58 mm Weight (lb)44.7 lb Weight (kg)20.3 kg CommentsLinear actuator, stroke limited to 70 degrees 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-- -20 F to 150 F Ambient Temperature Range (C)Actuator-- -29 C to 66 C Connection TypeLugged Body Pattern3 way (A-AB-B porting) Pipe Size (inch)2 in. Pipe Size (DN)DN50 Maximum Differential Pressure Ratings (Close-off) (psi)175 psi Maximum Differential Pressure Ratings (Close-off) (kPa)1206 kPa Capacity (Cv)at 60 degrees stroke--61 Cv; Stroke limited to 70 degrees Capacity (Kv)at 60 degrees stroke--53 kvs; Stroke limited to 70 degrees 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, 20 psi spring return Static Pressure Rating (psi)250 psi Maximum Static Pressure Rating (kPa)1724 kPa Maximum Flange Bolts4, Flange Bolt Thread--5/8 in. -11 pitch Materials (Plug/Ball/Disc)Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)