3 Way Butterfly Valve with Johnson Modulating Damper Actuator (200 PSI)

3 Way Butterfly Valves

The Series 2100 butterfly valve is available in full cut (200 PSI close off) and undercut (100 PSI close off.)  VSI Series 2100 butterfly valves have proven to be the most versatile design standard in the building and process control industries. Available as a tested package with a wide range of electric and pneumatic actuators and accessories to fit any application.

Standard features include:

  • Ductile iron body
  • SS 304 disc
  • EPDM seat
  • 100/200 PSI close off
  • Sizes 2″ to 30″
Johnson Controls Damper Actuators

Johnson Controls damper actuators are easily mounted with VSI damper linkages.  These actuators are available in 24VAC, modulating or floating service as well as spring return or non-spring return.

Please contact a VSI representative for more options.


Product Documentation

Valve SizeActuator TypeVSI Part #
2"Non-Spring Return3S2120SS-02/M9116-GGA-2
2"Spring Return/Fail Safe3S2120SS-02/M9220-GGA-3
2.5"Non-Spring Return3S2120SS-25/M9116-GGA-2
2.5"Spring Return/Fail Safe3S2120SS-25/M9220-GGA-3
3"Non-Spring Return3S2120SS-03/M9132-GGA-2
3"Spring Return/Fail Safe3S2120SS-03/M9220-GGA-3X2
4"Non-Spring Return3S2120SS-04/M9132-GGA-2X2
1205 Alpha Drive
Alpharetta, GA 30004
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