The Honeywell VRN Series valve, MPN VRN2AJSX7202, integrates flow and temperature control in a single assembly. This pressure-regulated control valve automatically controls flow in hydronic systems to maintain temperature during pressure fluctuations.
Integrated pressure control cartridge for flow balancing.
Compatible with hot or chilled water and up to 50% glycol solutions.
Threaded connections with 1/2 inch FNPT.
Product Highlights
This control valve is designed to operate efficiently in various hydronic applications, ensuring optimized performance.
Product Information
Standard Information
Type: Assembly
Connection: NPT
Technical Specifications
Supply Voltage (Nominal)
24 VAC
Trim Material
Stainless Steel
Pattern
2-way
Size
1/2 inch
GPM
7 GPM
Control Signal
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 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°C 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
Compatible Actuators
Non-Spring Return: ML6161, ML7161, MN6105*, MN7505*. Spring Return: MS6105, MS7505*, MS8105; MS6103, MS7503, MS8103 only at 1/2 inch or 3/4 inch (DN15 ~ DN20)
Minimum Torque Required
35 lb-in (4 Nm) up to 3 inch (DN80), 18 lb-in (2 Nm) up to 3/4 inch (and 1 inch up to 9 GPM)