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Overview

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.

Features

  • 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.

Product Specifications

Application
Controls 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
Maximum Safe Operating Pressure (psi)
360 psi at 250 F
Maximum Safe Operating Pressure (kPa)
2482 kPa at 121 C
Item Type
Product
Connection Type
Female NPT
Body Pattern
2-way or 3-way
Pipe Size (inch)
1/2 in. to 3 in.
Fluid Temperature (C)
-30 C to +121 F
Fluid Temperature (F)
-22 F to +250 F
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)
Brass
Materials (Seat)
Teflon® seals with EPDM O-rings
Materials (Stem)
Brass
Flow Characteristic
2-way: Equal Percentage with flow control insert. 3-way: Port A to AB: Equal Percentage. Port B to AB: Linear.
Materials (Plug/Ball/Disc)
Ball: Chrome-plated brass or stainless steel
Materials (Flow Control Insert)
Noryl®
Leakage
ANSI Class IV (0.01% of CV maximum) 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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