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Honeywell VRN2AD3S2A/M 1/2 in. f-NPT Floating Pressure Independent Control Valve

SKU: 379843
Save 57% · Retail: $604.77

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About the Honeywell VRN2AD3S2A

The VRN2 two-way dynamic pressure independent control ball valves maintain constant flow of hot/chilled water in closed loop heating, ventilating, and air conditioning (HVAC) systems regardless of head pressure fluctuation above minimum pressure drop.

Product Details

Manufacturer: Honeywell
Material: Stainless Steel
Other Info: Easy To Install
Mpn # VRN2AD3S2A
Weight 5.00 lbs.

Product Features

  • Manual override for convenient system flushing, filling, service and manual control during power outage
  • Forged Brass ASTM B584
  • Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.
  • Dynamic Pressure Independent control valve
  • Fluid Temperature (C) -30 C to +121 C
  • Pipe Size (inch) 1/2 in.
  • 2-way, straight-through
  • 2.0 gpm
  • 5% over specified pressure range
  • -10 C to 55 C
  • 14 F to 131 F
  • Optional test ports allow system access for balancing reports
  • Maximum Safe Operating--120 C
  • Maximum Safe Operating--248 F
  • 2500 kPa
  • 360 psi
  • 218 mm x 76 mm x 213 mm
  • 8-9/16 in. x 3 in. x 8-3/8 in.
  • Pressure regulating in closed loop heating, ventilating, and air conditioning systems
  • Integral snubber eliminates affect of system pressure fluctuations and entrapped air while improving flow performance.
  • Three actuator orientations on the valve for cramped spaces.
  • Upstream Test Port for venting or pressure gauge attachment.
  • Accurate fl ow regulation allows for the optimum sizing of chillers, boilers and pumps
  • Removable, manual operating handle to control valve during installation or in an event of power failure.
  • Actuators available with optional auxiliary switches.
  • Spring return actuators field-configurable for normally open or normally closed fail-safe position.
  • Choice of factory-installed actuation using Honeywell N05/S05-series direct-coupled actuators: Floating, Modulating (2-10 V), Spring Return Modulating/Floating.
  • Nickel-chrome plated brass or stainless steel trim.
  • Patented ball seals require low operating torque.
  • Multiple regulated flow rates available per valve size.
  • Equal percentage flow characteristic using patented flow control ball insert.
  • Positive pressure, rolling diaphragm regulator design for long service life for flow control accuracy of 5% over specified control range.
  • Differential pressure regulator for constant pressure drop across valve seat.
  • Controls flow exactly at all load conditions, not only design conditions, for consistent accuracy
  • Regulated flow rates available from 1 to 95 gpm.
  • Controls hot or chilled water with up to 50% glycol.
  • Sizes from 1/2 to 3 in. with internal (female) NPT connections.
  • Field serviceable valve stem and cartridge saves service labor and system downtime
  • MN6105 Floating DCA
  • Equal Percentage with flow control insert
  • Stainless Steel
  • Teflon seals / EPDM O-rings


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