Product Overview
Table Of Contents
PRODUCT DATA
63-2648—1
VBN2, VBN3 Control Ball Valves
With Threaded Connections
APPLICATION
The VBN2 Two-Way and the VBN3 Three-Way Control Ball
Valves control hot and chilled water with glycol solutions up to
50% in heating, ventilating, and air conditioning (HVAC)
systems to provide two-position or modulating functions.
These valve assemblies can be ordered with or without
factory-mounted non-spring return or spring return direct-
coupled actuators (DCA).
FEATURES
All Models
• Sizes from 1/2 to 2-1/2 inches with internal (female)
NPT connections.
• Straight-through flow between A and AB ports.
• Equal percentage or linear flow characteristics.
• Choice of four, factory-installed actuation control
schemes: Floating, Modulating (2-10 V), Spring Return
2-Position, Spring Return Modulating/Floating.
• Field configurable for normally open or normally
closed fail-safe position.
• Removable manual operating handle to control valve
during installation or in an event of power failure.
• ANSI Class IV seat leakage specification (0.01% of C
V
).
• Optional NEMA 3R (IP54) rated enclosure for outdoor
applications.
• Actuator can be mounted on the valve in any of four
positions.
VBN2 (Two-way)
• Sizes up to 3 inches.
•Wide C
V
choices from 0.38 to 266.
• Nickel-chrome plated brass or 316 stainless steel valve
ball and stem.
VBN3 (Three-way)
•Wide C
V
choices from 0.33 to 109.
• Valve installs in a globe valve “T” pattern, no extra
elbows or piping required.
• Nickel-chrome plated brass valve ball and stem.
• Convertible to straight-through 2-way control by
plugging B port (plug not provided.)
• Mixing or Diverting control.
VBN2...A
VBN2...D
Contents
Application ........................................................................ 1
Features ........................................................................... 1
Specifications ................................................................... 2
Ordering Information ........................................................ 2
Installation ........................................................................ 7
Operation and Checkout .................................................. 11
Typical Specifications ....................................................... 12