valve

check valve / non-return valve

non-return valve / check valve

air valve bank

amplifying valve

directional-control hydraulic valve

fuel needle valve

inlet valve

vent valve

valve rocker shank

fuel tank selector valve

fuel-return valve (FRV)

oil cooler bypass valve

slave valve

valve chatter

adjustable valve

air breed valve

air input valve

air slide valve

air suction valve

automatic inlet valve

auxiliary air valve

ball check valve

bevel seated valve

bleeder valve screw

brake vacuum check valve

cam-operated valve

carburetor gasoline adjustment valve

carburetor valve

clutch application valve

clutch control valve

combined pressure and vacuum relief valve

cross valve