During the remainder of the open stroke, the internal poppet lifts the main poppet and retracts it to the fully open position.
Ensure that the poppet returns to the closed position.
When the pump is activated, product is metered into the line through a poppet valve.
Tests were performed on mushroom, annular, flap and poppet type exhalation valves.
If you open this cap, there should be a poppet pressed tightly against the top.
Fuel delivery drivers will sometimes prop this poppet open with a stick or rock, so make sure that it is closed.
Slowly open the bleed valve of the test kit, and observe and record the psi when the air inlet poppet opens.
The solution was delivered continuously by a syringe pump through a poppet-seal relief valve into the deposition chamber.
The vapor adaptor poppet shall not leak when closed.
The safety valve shall be constructed of bronze body with poppet type safety valve for compressed air service.
British Dictionary definitions for poppet
a term of affection for a small child or sweetheart
Also called poppet valve. a mushroom-shaped valve that is lifted from its seating against a spring by applying an axial force to its stem: commonly used as an exhaust or inlet valve in an internal-combustion engine
(nautical) a temporary supporting brace for a vessel hauled on land or in a dry dock