The Honeywell VRN2GRSX4002 is a pressure independent control valve designed for effective management of hydronic systems. This valve features a two-and-a-half inch NPT connection and operates efficiently with a flow rate of thirty gallons per minute. It is equipped with a stainless steel trim and is actuated electrically. This valve utilizes a floating on/off control signal and has fail-in-place capabilities, ensuring reliable operation.
Features a two-and-a-half inch NPT connection.
Designed for a thirty gallons per minute flow rate.
Operates on a twenty-four volt AC supply.
Product Highlights
This valve integrates flow and temperature control to automatically maintain desired conditions in hydronic heating and cooling systems.
Product Information
Standard Information
Manufacturer Part Number: VRN2GRSX4002
Valve Type: Dynamic Pressure Regulated Control Valve
Technical Specifications
Connection
NPT
Size
2-1/2 inches
Pattern
2-way
GPM
30 GPM
Trim Material
Stainless Steel
Control Signal
Floating, Two Position
Supply Voltage
24 VAC
Body Style
Two-way ball valve, straight-through flow, full port with patented flow control insert
Pipe Size
1/2 inch to 3 inch 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°F to 250°F (-30°C to 121°C)
Maximum Differential Pressure
1 gpm (1/2 inch valve) to 95 gpm (3 inch 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 inches (DN80), 18 lb-in (2 Nm) up to 3/4 inch (and 1 inch up to 9 gpm)