Patent ID: 7726329

Claim:
A flow and pressure control valve comprising: a valve body having a bore, and a flow valve inlet and outlet communicable with the bore; a flow valve disposed in the bore of the valve body to control communication between the flow valve inlet and the flow valve outlet of the valve body; a pressure valve inlet communicable with the flow valve inlet of the valve body; a pressure valve axially spaced apart from the flow valve and disposed in the bore to control communication between the pressure valve inlet and the flow valve inlet within the bore of the valve body; a biasing member having one end associated with the flow valve and another end associated with the pressure valve to bias the pressure valve in a direction toward a pressure valve closed position and to bias the flow valve in an opposite direction toward a flow valve closed position; a pressure valve seat member coupled to the valve body in an axially adjustable manner to adjust a biasing force imposed by the biasing member; and a force exerting portion to move the flow valve.