Patent ID: 8720400

Claim:
A three-port fluid control valve for directing flow of pressurized fluid between a fluid supply, a user, and a fluid exhaust, comprising: a) a valve body having first and second valve seats disposed along a central bore terminating in an exhaust port and having a supply port formed in said valve body in communication with said first valve seat and having a common port formed in said valve body in communication with said second valve seat wherein said first and second valve seats face in opposite directions; b) a pintle shaft extending into said central bore; c) a first valve head disposed within said central bore adjacent said first valve seat and moved by said pintle shaft for mating with said first valve seat to open and close said supply port to said common port; d) a second valve head disposed within said central bore adjacent said second valve seat for mating with said second valve seat to open and close said common port to said exhaust port; e) a spacing rod disposed within said central bore between said first and second valve heads; and f) an actuator operatively connected to said pintle shaft.