The Honeywell VRN2ADPA1000 is a pressure independent control valve designed for effective flow and temperature management in hydronic systems. This valve automatically adjusts flow to maintain desired temperatures, even during fluctuations in piping pressure.
Integrated pressure control for flow regulation.
Utilizes 24 VAC operation for efficiency.
Suitable for water or glycol solutions up to fifty percent.
Product Highlights
The Honeywell VRN2ADPA1000 is beneficial for HVAC professionals who require consistent temperature control. This valve ensures that liquid flow is balanced and controlled, contributing to system efficiency and reliability.
Product Information
Standard Information
Brand: Honeywell
Manufacturer Part Number: VRN2ADPA1000
Technical Specifications
Type
Assembly
Connection
NPT
Supply Voltage (Nominal)
24 VAC
Trim Material
Stainless Steel
Pattern
2-way
Size
1/2 in
Flow Rate
2 GPM
Control Signal
Floating, Two Position
Valve Type
Dynamic Pressure Regulated Control Valve
Body Style
Two-way ball valve, straight-through flow, full port with patented flow control insert
Pipe Size
1/2 in to 3 in with female NPT pipe fittings
Body Pressure Rating (maximum)
360 psi (2500 kPa) at 250°F (121°C)
Controlled Medium
Water or Glycol solutions up to 50%; not suitable for combustible gases, oil, or steam
Medium Temperature Range
-22°C to 250°F (-30°C to 121°C)
Maximum Differential Pressure
1 GPM (1/2 in valve) to 95 GPM (3 in valve)
Close-off Pressure
100 psid
Flow Characteristics
Equal percentage with flow control insert
Body
Forged brass (ASTM B283)
Flow Optimizer
Laser-milled, glass-reinforced Noryl
Trim (ball and stem)
Nickel-chrome plated brass or stainless steel
Stem Seals
EPDM O-ring and Teflon bearings
Ball Seals
Reinforced Teflon seals with EPDM O-rings
Regulator
Hydrogenated acrylonitrile-butadiene rubber rolling diaphragm in stainless steel housing
Minimum Torque Required
35 lb-in (4 Nm) up to 3 in (DN80), 18 lb-in (2 Nm) up to 3/4 in (and 1 in up to 9 GPM)