Overview
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.
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 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.
- Maximum Safe Operating Pressure (psi) : 240 psi
- Maximum Safe Operating Pressure (kPa) : 1655 kPa
- Item Type : Product
- Enclosure : NEMA 3R
- Connection Type : Flanged
- Body Pattern : Three-way
- Pipe Size (inch) : 4 in.
- Pipe Size (DN) : DN100
- 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) : Teflon™
- Materials (Stem) : 316 Stainless Steel
- Flow Characteristic : Equal Percentage (A-AB), Linear (B-AB)
- Actuation : Spring Return Two Position, 24 Vac
- Materials (Plug/Ball/Disc) : 316 stainless steel
