• Controls hot or chilled water with up to 50% glycol

• Differential pressure regulator for constant pressure drop across valve seat

• Positive pressure, rolling diaphragm regulator design for flow control accuracy of ±5%

• Equal percentage flow characteristic using multi-turn, non-rising, characterized plug

• Six-turn actuator with floating or modulating inputs for floating or fail-safe action

• Regulated flow rates from 39 to 469 gpm

• Stainless steel trim

• 50 discrete, selectable flow rates available per valve size

• Two Test Ports for venting or pressure gauge attachment

Valve Type:Dynamic Pressure Regulated Control Valve

Body Style:Two-way, multi-turn, non-rising stem valve, straight-through flow

Pipe Size:2 1/2″ to 6″ with multi-size wafer flange pipe fittings

Body Pressure Rating (maximum):580 psig (40 bar) at 248℉ (120℃)

Controlled Medium:Water or Glycol solutions up to 50%; not suitable for combustible gases, oil or steam

Medium Temperature Range:-4° to 248℉ (-20° to 120℃)

Maximum Differential Pressure:58 psid (400 kPa)

Close-off pressure:101 psid (700 kPa), maximum 0.2% leakage

Flow Characteristics:Equal percentage

Body:Ductile iron (ASTM A536-65T, Class 60-45-18)

Flow Optimizer:Stainless steel

Stem Seals:EPDM and Nitrile O-rings

Ball Seals:Reinforced Teflon™ seals, with EPDM O-rings

Regulator:EPDM rolling diaphragm in 316 stainless ssteel housing

Actuators:

Supply Voltage:24VAC, 50/60Hz

Control Signal:2-10VDC, 4-20 mA (w/ external 500Ω resistor), Pulse-width modulating, floating, two-position SPDT

Action:

Non-Fail Safe:Stay in Place

Fail-Safe (field configurable):Open/Closed

Normal position (no signal):Open/Closed

Actuator Stroke (degrees):6 x 360°

Timing:150 seconds/60Hz

Feedback:4-20 mA (2-10VDC) built-in

Warranty:1 year on valves

 :* Actuators available factory-installed.