Overview Resilient seat in two-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: 12-1/8 in.; Height: 22-1/2 in.; Width: 12-1/8 in.; Neck: 9-1/2 in.; Radius; 6-1/16 in. Dimensions (mm)Assembly--Length: 307 mm; Height: 571 mm; Width: 307 mm; Neck: 241 mm; Radius; 154 mm IncludesPosition indicator Weight (lb)63.9 lb Weight (kg)29 kg MountingANSI Flanged Voltage24 Vac Shipping and Storage Temperature Range (F)-40 F to 250 F Shipping and Storage Temperature Range (C)-40 C to 121 C Approvals, CECertified EnclosurePneumatic Ambient Temperature Range (F)Actuator-- -13 F to 140 F Ambient Temperature Range (C)Actuator-- -25 C to 67 C Connection TypeLugged Body Pattern2 way (S/R NO) Pipe Size (inch)8 in. Pipe Size (DN)DN200 Maximum Differential Pressure Ratings (Close-off) (psi)175 psi Maximum Differential Pressure Ratings (Close-off) (kPa)1206 kPa Capacity (Cv)at 60 degrees stroke--1081 Cv; at 90 degrees stroke--3316 Cv Capacity (Kv)at 60 degrees stroke--935 kvs; at 90 degrees stroke--2868 kvs Valve ActionNormally Open 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, 2-position, 24 Vac solenoid 80 psi spring return 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)