Overview
Resilient seat two-way butterfly valves provide control for heating, ventilating and air conditioning (HVAC) systems. Applications include chilled water, hot water, cooling tower water and thermal storage systems.
- Application : HVAC
- Used With : MB-NSR-SWITCH Aux Switch Kit
- Item Type : Product
- Mounting : ANSI Class 125/150 flange compatible
- Frequency : 50 Hz , 60 Hz
- Approvals, Underwriters Laboratories Inc. : C/US Listed
- Voltage : 24 Vac , 24 Vdc
- Approvals, CE : Certified
- Enclosure : NEMA 2 IP54
- Ambient Temperature Range (F) : Actuator-- -22 F to 122 F
- Ambient Temperature Range (C) : Actuator-- -30 C to 50 C
- Connection Type : Lugged
- Body Pattern : 2-way
- Pipe Size (inch) : 2 in.
- Pipe Size (DN) : DN50
- Fluid Temperature (C) : -30 C to 121 C
- Fluid Temperature (F) : -22 F to 250 F
- Maximum Differential Pressure Ratings (Close-off) (psi) : 200 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa) : 1380 kPa
- Capacity (Cv) : at 60 degrees stroke--44 Cv, at 90 degrees stroke--115 Cv
- Capacity (Kv) : at 60 degrees stroke--38 kvs, at 90 degrees stroke--99 kvs
- Valve Action : Normally Closed
- Valve Type : Butterfly
- Controlled Fluid : Chilled or hot water with up to 60% Glycol. Not for use with steam or fuels.
- Materials (Body) : Epoxy powder coated ductile iron ASTM A536
- Materials (Seat) : EPDM
- Materials (Stem) : 416 stainless steel
- Flow Characteristic : Modified Equal Percentage
- Static Pressure Rating (psi) : 232 psi
- Static Pressure Rating (kPa) : 1600 kPa
- Flange Bolts : 4, Flange Bolt Thread--0.625 in. -11 pitch
- Materials (Plug/Ball/Disc) : 304 stainless steel
