Multi-port rotary selector valves are quiet replacements for solenoid valves. Single input can be switched between 2 to 6 output ports. They are available with detents for manual operation with a knob or without for automatic operation with a servo or stepper motor. Valve head has 1 in. OD and length is about 1.6 in. Non-selected ports are vented to atmosphere.
Beswick Engineering Co. Inc., (603) 433-1188, www.beswick.com