Check valves are fitted in the filler and on the fill input to the fuel tank to prevent fuel flowing back the wrong way.
Valve Corporation | Cyclic redundancy check | variable valve timing | Valve | Poppet valve | Forum check | Check Point | Check My Brain | Walschaerts valve gear | valve | Check Yes Juliet | check | Walshaert's valve gear | Variable valve timing | valve gear | Valve audio amplifier | traveler's check | The Omega Seamaster, a deep diving watch. The second crown (at 10 o'clock) is a Helium release valve | Tartan Check | tap (valve) | Reality Check | reality check | Piston valve | Occurs check | Justice Safety Valve Act of 2013 | helium release valve | Flutter valve | Fleming valve | desmodromic valve | Cross-check |
On April 12, 2007, URC was inducted into the Space Foundation's Space Technology Hall of Fame for its contributions to the microbial check valve (MCV) technology that is used in the water purification system on the Space Shuttle.