Fluid Power BB045-301-15 Lock-Out Valve 3-Way Big Bazooka Loc-Master 1.5"npt

New surplus.
1-1/2" NPT ports.
3-Way Normally Closed.
Operated by integral manual pilot valve. The pilot valve can be locked in the off position only.
Push handle in and one quarter turn to detent port open to port 2, port 3 is blocked.
 One quarter turn of handle from detent allows valve to spring return shifting off port 1 and opening port 2 to port 3 exhaust downstream air (not trapped by some other system component).