Overview
Resilient seat two-way valves provide control for HVAC system applications including chilled water, hot water, cooling tower water, and thermal storage systems.
- Includes : Position indicator
- Weight (lb) : 1073 lb
- Weight (kg) : 487.7 kg
- Mounting : ANSI Flanged
- Voltage : 4-20 mA
- Shipping and Storage Temperature Range (F) : -40 F to 250 F
- Shipping and Storage Temperature Range (C) : -40 C to 121 C
- Enclosure : Pneumatic
- Ambient Temperature Range (F) : Actuator-- -40 F to 176 F
- Ambient Temperature Range (C) : Actuator-- -40 C to 80 C
- Connection Type : Lugged
- Body Pattern : 2 way (NC, NC/NO, NSR)
- Pipe Size (inch) : 20 in.
- Pipe Size (DN) : DN500
- Maximum Differential Pressure Ratings (Close-off) (psi) : 50 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa) : 345 kPa
- Capacity (Cv) : at 60 degrees stroke--7144 Cv, at 90 degrees stroke--22339 Cv
- Capacity (Kv) : at 60 degrees stroke--6180 kvs, at 90 degrees stroke--19323 kvs
- Valve Type : Butterfly
- Controlled Fluid : Chilled 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 Characteristic : Modified Equal Percent
- Actuation : Pneumatic, 4-20 mA Servo 80 psi bidirectional
- Static Pressure Rating (psi) : 250 psi Maximum
- Static Pressure Rating (kPa) : 1724 kPa Maximum
- Flange Bolts : 20, Flange Bolt Thread--1-1/8 in. -7 pitch
- Materials (Plug/Ball/Disc) : Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)
