Overview
Resilient seat three-way mixing/diverting 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.
Product Specifications
- Application
- HVAC
- Includes
- Position Indication ; Push Button for manual operation
- 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
- 3-way (Mixing or Diverting)
- Pipe Size (inch)
- 2.5 in.
- Pipe Size (DN)
- DN65
- 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--75 Cv; at 90 degrees stroke--196 Cv
- Capacity (Kv)
- at 60 degrees stroke--65 kvs; at 90 degrees stroke--170 kvs
- 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 Linear
- Actuation
- MBP7LRF2/U Modulating, fail-in-place, actuator included
- 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
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