The Honeywell VRN2BESX4002 is a pressure-regulated control valve assembly designed for hydronic systems. This assembly integrates flow and temperature control to maintain optimal conditions during pressure variations. It features an integrated pressure control cartridge for effective flow balancing. Suitable for use with Honeywell direct-coupled actuators, this valve is ideal for various hydronic applications.
Valve size: three-fourths inch NPT connection
Maximum flow rate: three gallons per minute
Compatible with water or glycol solutions up to fifty percent
Product Highlights
This assembly optimizes system performance and reliability by regulating pressure and flow effectively.
Product Information
Standard Information
Manufacturer Part Number: VRN2BESX4002
Type: Assembly
Technical Specifications
Connection
NPT
Input Voltage
24 VAC
Trim Material
Stainless Steel
Pattern
Two-way
Size
three-fourths inch
GPM
three gallons per minute
Control Signal
Floating, Two Position
Valve Type
Dynamic Pressure Regulated Control Valve
Body Style
Two-way ball valve with straight-through flow, full port with patented flow control insert
Pipe Size
half inch to three inches 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 fifty percent
Medium Temperature Range
negative twenty-two degrees Celsius to 250°F (negative thirty degrees Celsius to 121°C)
Maximum Differential Pressure
one gallon per minute (half inch valve) to ninety-five gallons per minute (three 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 half inch or three-fourths inch (DN15 ~ DN20)
Minimum Torque Required
thirty-five lb-in (four Nm) up to three inches (DN80), eighteen lb-in (two Nm) up to three-fourths inch