THE SURPLUS UNITS were widely used in fuel systems for decades. However, the surplus synthetic rubber seals are not always compatible with current hydrocarbon fuels and/or additives. Earl's has redesigned the original surplus Valves
with modern elastomers which are not affected by most fuels and lubricants.
Check Valve Flapper Style Fitting
Size 6 Reinforced Viton® w/Aluminum Support 150 PSI Max. 0.5 PSI To Seal Red Anodized Aluminum (Viton® is a registered trademark of DuPont Performance Elastomers)