Overview Resilient seat 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: 15-5/8 in.; Height: 39-1/8 in.; Width: 19-7/8 in.; Neck: 13-5/8 in.; Radius; 9-15/16 in. Dimensions (mm)Assembly--Length: 396 mm; Height: 994 mm; Width: 504 mm; Neck: 346 mm; Radius; 252 mm IncludesPosition indicator Weight (lb)803 lb Weight (kg)365 kg MountingANSI Flanged Voltage4-20 mA 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 Pattern2 way (NC, NC/NO; NSR) Pipe Size (inch)14 in. Pipe Size (DN)DN350 Maximum Differential Pressure Ratings (Close-off) (psi)50 psi Maximum Differential Pressure Ratings (Close-off) (kPa)345 kPa Capacity (Cv)at 60 degrees stroke--3384 Cv; at 90 degrees stroke--10538 Cv Capacity (Kv)at 60 degrees stroke--2927 kvs; at 90 degrees stroke--9115 kvs Valve ActionNormally Closed, convertible to Normally Open with Spring Return DCA 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, 4-20 mA Servo 80 psi bidirectional Static Pressure Rating (psi)250 psi Maximum Static Pressure Rating (kPa)1724 kPa Maximum Flange Bolts12, Flange Bolt Thread--1-1/8 in. -7 pitch Materials (Plug/Ball/Disc)Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)