Klappe
bascule leaf
blade
bottom door
butterfly valve
camber flap
camber-changing flap
cap iron
check valve
clapper
cover
damper door
damper
door
drop
flap
flapper valve
flapper
gate valve
gate
hatch
key
lapel
leaf
lid
lifting leaf
pipe valve disk
shutter
swing check valve
swing-type valve
tab
theca
tool block
trap-door
trap
valve
vane
Dostopnost
Dostopnost