Barber-Colman Co. AK-51632 Pneumatic Relay is a Barber Colman pneumatic control component identified by the AK-51632 part number (also cited as AK51632). As a relay, it is used to switch pneumatic signals within control circuits to drive other pneumatic devices in Barber Colman installations. Catalog cross-references confirm the AK51632 designation in Barber Colman’s pneumatic controls line, facilitating replacement and maintenance in related systems.
