plural of bag valve mask

A type of check valve using a disc on a hinge for its function.

plural of swing check valve

A kind of cerebral shunt using two metal discs, each in a restrictive housing at the end of a tube, opened and closed by the pressure of fluid.

plural of Wade-Dahl-Till valve

A small coastal village on the northeast coast of the Jaffna Peninsula in Sri Lanka's north.

Having no valves.

A small valve.

plural of valvelet

Alternative spelling of valve train