1" Diaphragm Valve Pneumatic Flare PTFE FKM Style Vo Normally Closed

Air x air models require a 4-way air solenoid valve; fail-safe air x spring models require a 3-way air solenoid valve. Filtered and lubricated air is recommended to operate the actuators. Beneath the mounting lugs on the valve body are two hex nuts which are tapped to facilitate support of the piping assembly. Series ABVA – Air pressure to open and air pressure to close; with manual override. Fits ½", ¾" & 1" ball valves. "Series ABVS – Spring return kit is added to Series ABVA for normally closed or normally open operation." "Series ABRA – Air pressure to open and air pressure to close; with manual override. Fits 1¼"", 1½"", & 2"" ball valves." "Series ABRS – Spring return actuator for normally closed or normally-open operation; fits 1¼"", 1½"", & 2"" ball valves. Optional ABMS has manual override." Series ABVRA/ABRS – Air x Air and spring return actuators for 3" and 4" sizes available as complete unit with True Blue Ball Valves