VR2, VR3, VR4, VR5
Resilient Seat Butterfly Valves
with Lugged Connections
FEATURES
All Models
• Bi-directional flow
• 304 stainless steel disks
• Ductile iron valve body for increased strength and
durability
• Stainless steel valve stem
• EPDM resilient valve seat doubles as flange gasket
• Bubble-tight seat leakage at rated close-off
• Close-off rating of 200 psid in sizes 2 in. to 12 in.
• Close-off rating of 150 psid in sizes 14 in. to 24 in.
• ISO 5211 actuator mounting flange
• Available with factory-installed electric actuation
interfaces in 2-position, Floating ("tri-state"), or
Modulating (2-10 Vdc) Control
• Manual override on all models
• Fail-safe actuators available on valves up to 12 inches
• For use with hot, chilled or condensing water with up to
60% glycol in HVAC systems
Two-Way Valves (VR2)
• Sizes from 2 to 24 inches with ANSI Class 125/150 lug
pipe connections
• Modified equal percentage flow characteristic
• Spring fail safe available on 2 and 2.5 inch models,
Electronic fail safe available on 3 to 12 inch models
• NEMA 2 and NEMA 4X actuators available on valves 5
inch and smaller, NEMA 4X actuators available on
valves 5 inch to 24 inch
Three-Way Valve Assemblies (VR3,4,5)
• Sizes from 2 to 18 inches with ANSI Class 125/150 lug
pipe connections
• Mixing or diverting control
• Modified linear flow characteristic
• Standard cast-iron pipe T included
• Multiple port configurations available to fit different
applications
• Spring fail safe available on 2 inch models, Electronic
fail safe available on 2.5 to 12 inch models
• NEMA 2 and NEMA 4X actuators available on valves 3
inch and smaller, NEMA 4X available on valves 3 inch to
18 inch
FEATURES ...................................................................................... 1
SPECIFICATIONS ........................................................................ 2
DIMENSIONAL DRAWINGS .................................................... 5
ACTUATOR SPECIFICATIONS ................................................ 16
3-WAY VALVE PATTERNS ........................................................ 20
INSTALLATION ............................................................................ 22
PRODUCT DATA
Contents
31-00190EF-02