Features 
• Sizes from 1/2 to 3 in. with internal (female) NPT connections. 

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

• Regulated flow rates available from 1 to 95 gpm. 

• 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 patented flow control ball insert. 

• Multiple maximum flow rates available per valve size. 

• Patented ball seals for low operating torque. 

• Nickel-chrome plated brass or stainless steel trim. 

• Choice of factory-installed actuation using Honeywell N05/S05-series direct coupled actuators: Floating, Modulating (2-10 V), Spring Return Modulating/ Floating. 

• Spring return actuators field-configurable for normally open or normally closed fail-safe position. 

• Removable, manual operating handle to control valve during installation or in an event of power failure. 

• Upstream Test Port for venting or pressure gauge attachment. 

• Three actuator orientations on the valve for cramped spaces.