IT1257230BITTO920499AITTO920499AIT1257230BIT 1257230 BIT1257230 BIT 1257230BIT TO920499 AITTO920499 AIT TO920499AIT TO920499 AITTO920499 AIT TO920499AIT 1257230 BIT1257230 BIT 1257230B
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Self-Closing Valves And Venting Or Aerating Valves
(AREA)
Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units
(AREA)
Filling Or Discharging Of Gas Storage Vessels
(AREA)
Abstract
A two-way air relief valve, especially for motor vehicle fuel tanks, making it possible to obtain reduced air release pressures together with enhanced tightness thanks to the combination of a gasket 10 having annular projections 11, 12 and flat abutment surfaces 6a, 34. <IMAGE>