The VBN2 2-Way Control Ball Valves and VBN3 3-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 control ball valves can be ordered alone or with spring return or non-spring return actuators.
Sizes from 1/2 to 3 in. with internal (female) NPT connections.
Equal percentage flow characteristic.
Reduced B port CV for constant loop flow.
Choice of factory-installed actuation: floating, modulating (2-10 V), spring return or non-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.
Actuator can be mounted on the valve in any of four orientations.
Field-serviceable stem assembly.
Wide range of CV choices from 0.33 to 266.
Nickel-chrome plated brass or 316 stainless steel ball and stem.
Valve installs in a globe valve “T” pattern, no extra elbows or piping required.
Mixing or Diverting control for 3-way valves.
ANSI Class IV seat leakage specification (0.01% of CV) for 3-way A port and ANSI Class III seat leakage specification (0.1% of CV) for 3-way B port.
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