Use "foot valve" in a sentence

1. Air actuated down- the -hole hammer and drill bit and foot valve for use in the hammer

2. The central passage is adapted to receive a foot valve to transfer pressurized air through the drill bit.

3. • Ideal for use in Anterooms and gowning rooms for medical and pharmaceutical facilities • Hands free design helps eliminate cross contamination (choose either foot-valve or electronic-eye sensor) • All-welded, Type 304 stainless steel construction for durability and corrosion-resistance