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Description
VBF2 Two-Way Ball Valve Assemblies, with and without actuators, control hot and chilled water with glycol solutions up to 50% in closed loop heating, ventilating, and air conditioning (HVAC) systems to provide two-position or modulating functions.

Features
  • Sizes from 4 to 6 inch with ANSI Class 125 flanged connections.
  • Equal percentage or linear flow characteristics.
  • Choice of four, factory-installed actuation control schemes: Floating, Modulating (2-10 V), Spring Return 24V 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 leakage specification (0.01% of Cv).
  • Optional NEMA 3R (IP54) rated enclosure for outdoor applications.
  • Option of four actuator mounting positions on the valve.
  • Wide range of Cv choices from 91 to 650.
  • Valve ball and stem 316 stainless steel.
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Specs
Size:
4"
Flow Capacity (Cv):
254
Body Pattern:
2-Way
Connection Type:
Flanged
Flow type:
Equal Percentage
Max Pressure (PSI):
240
Temperature Range (F):
20°F to 250°F
Valve Type:
Control Ball Valve
Material:
Cast Iron
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