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Product Description The 2000L and 2500L are automatic pressure and vacuum relief caps for farm and industrial fuel storage tanks. The normally closed relief valve prevents fuel evaporation and dust contamination. It vents at 2 psi pressure or 0.7" Hg vacuum. These locking vent caps feature an aluminum body, cap, and valve plate along with Type 304 Stainless Steel springs. A brass screen and FPM (Viton®) O-ring come standard. These vent caps have an NPS male threaded body with a lockable cap (padlock not included).

Product Specifications