Invensys DuraDrive MS51-7103-150 Spring Return TAC DuraDrive Proportional Actuator with Siebe 3/4" Valve 7.5 CV

AC DuraDrive Linear Actuators are designed to mount directly onto two-way or three-way globe valves without the use of linkages.  They provide linear travel to operate globe valves 1/2" to 2" VB-7000 valves, discontinued 1/2" to 1 1/4" VB-9000 valves, 2 1/2" to 4" VB-9000 valves, and 2 1/2" to 5" VB-8000 valves in chilled water, hot water and steam applications up to 366° F.  Linear spring return actuators provide control of valves in HVAC systems.

Features:

    * Proportional
    * Spring Return operation to valve stem up position
    * 24 Vac
    * 105 lb.in with 1/2 in. nominal linear stroke
    * Manual override
    * Accessories are listed on the spec sheet

Unit comes with SIEBE 3/4"  2-Way Valve for quiet operation and precision control under light or full load conditions. Actuators available to handle a full range of pneumatic, electric, electronic, electro-hydraulic and DDC applications. Normally open, normally closed or three way mixing. 

ANSI Class 250, 250 PSI, 1724 kPa &3/4" Female Threaded