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3-way Flange Actuated Control Ball Valve


3-way Flange Actuated Control Ball Valve

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  • Product Info
  • Literature


VBF3 Three-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.


  • 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 A-port seat leakage (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.
  • Non-isolating mixing or diverting control.

Product Specifications

Maximum Safe Operating Pressure (psi)
240 psi
Maximum Safe Operating Pressure (kPa)
1655 kPa
Item Type
Connection Type
Body Pattern
Pipe Size (inch)
4 in.
Pipe Size (DN)
Fluid Temperature (C)
-30 C to +121 C
Fluid Temperature (F)
-22 F to +250 F
Maximum Differential Pressure Ratings (Close-off) (psi)
70 psi
Maximum Differential Pressure Ratings (Close-off) (kPa)
483 kPa
Capacity (Cv)
254 Cv
Capacity (Kv)
218 kvs
Valve Type
Control Ball Valve
Controlled Fluid
Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.
Materials (Body)
Cast Iron
Materials (Seat)
Materials (Stem)
316 Stainless Steel
Flow Characteristic
Equal Percentage (A-AB); Linear (B-AB)
Spring Return Two Position, 24 Vac
Materials (Plug/Ball/Disc)
316 stainless steel
ANSI Class IV (A port only); B port ~2% leakage