Perko 0590 Angled Water Fill/Vent

The Perko 0590 Angled Water Fill/Vent is a marine-grade fuel and water system component designed for vessels requiring reliable deck-mounted fill and ventilation. Built with a chrome-plated bronze cap and black polymer body, this fill/vent assembly provides integrated tank ventilation with flame arrestor and anti-surge valve protection on diesel tanks. The angled design allows operators to refuel and service tanks while maintaining proper airflow, critical for preventing vapor buildup and ensuring safe fuel system operation in demanding marine environments.

Specifications reflect careful engineering for marine applications: the assembly accommodates 1-1/2" hose for fuel fill and 5/8" vent hose, with a 2-1/8" mounting hole diameter and 3-3/8" outer diameter flange. The 2-7/16" neck length provides proper standoff from the deck surface. Stainless steel bead chain attached to the chrome cap prevents loss during service operations. No deck plate key is required for installation or operation, simplifying maintenance procedures. The integral flame arrestor and anti-surge valve on diesel units protect against backflash and prevent siphoning—essential safeguards for fuel system integrity during rough seas or thermal cycling.

This component serves commercial fishing vessels, military patrol craft, and recreational marine operations where corrosion resistance and reliable ventilation directly affect fuel system longevity and crew safety. The chrome and stainless steel construction withstands salt-air exposure common to extended offshore operations. Operators refueling in variable conditions—rough seas, thermal stress, or extended idling—depend on the integrated anti-surge and flame arrestor features to prevent fuel overflow and system hazards. Replacement or upgrade installations benefit from the Perko 0590's proven design and compatibility with standard marine fuel system hose sizes.