The Honeywell VRN2G8SX9100 is a pressure independent control valve designed for hydronic systems. This valve integrates flow and temperature control in a single unit and is capable of maintaining temperature during pressure variations. The valve comes equipped with a pressure control cartridge for effective flow balancing.
Designed for threaded connections from 1/2 inch to 3 inch FNPT
Compatible with Honeywell direct-coupled actuators
Suitable for water or glycol solutions up to 50%
Product Highlights
This control valve is engineered to optimize system performance in heating and cooling applications.
Product Information
Standard Information
Brand: Honeywell
MPN: VRN2G8SX9100
Technical Specifications
Type
Assembly
Connection
NPT
Input Voltage
120 VAC, 240 VAC
Supply Voltage (Nominal)
120 VAC, 240 VAC
Trim Material
Stainless Steel
Pattern
Two-way
Size
2.5 inches
GPM
85 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)