Tank Vent Valves

Overview

Tank vent valves are designed to direct vapors generated during the diurnal cycle. Vent lines from TVVs generally run to carbon canisters. Properly installed, TVVs help protect canisters from liquid fuel. Perko TVVs are sometimes referred to as rollover valves (since they offer rollover protection) and as grade vent valves. They also include an overpressure relief feature. Mounting options for tank mounted ICVs include flanged (for plastic tanks), threaded (for metal tanks) and swivel (for both plastic and metal tanks).

  • Flanged valves match the SAE 5-bolt level sender flange. Gasket is not included.

  • Threaded valves mount with a 1” NPTF thread.

  • Swivel valves include valve, valve housing, o-ring, snap ring and tank insert.

  • Internally mounted versions are available for both plastic and metal tanks on a custom basis.

  • Swivel Tank Vent Valve for Aluminum Tanks

    Figure No. 0588S
    • Machined Aluminum
    • Grey Polymer Valve
    • For mounting on metal tanks
    • Includes valve, valve housing, o-rings, snap ring and tank insert

    Technical Information

    • Hose Connection: 5/16"
    • Length Inches: 2-9/16"
    • Width Inches: 2"
    • Projection Inches: 1-1/8"
    • Shut Off Height: 3/8"
    • Mounting Hole Diameter: 1-3/4"
    OEM Bulk Pkg. 20 Pcs. Angle/Port Collar For Use In Tank Fire Test Capable Shipping Weight
    0588S0A 90° Yes Aluminum Yes 5.8 lbs.

  • Flanged Tank Vent Valve

    Figure No. 0588F
    • Machined Aluminum
    • Grey Polymer Valve
    • Matches the SAE 5-bolt level sender flange
    • Gasket is not included
    • For mounting on plastic tanks

    Technical Information

    • Hose Connection: 5/16"
    • Length Inches: 2-3/8"
    • Width Inches: 2-3/4"
    • Projection Inches: 1"
    • Shut Off Height: 1/4"
    • Bolt Circle: 2-1/8"
    • Mounting Hole Diameter: 1-1/2"
    OEM Bulk Pkg. 20 Pcs. Angle/Port Collar For Use In Tank Fire Test Capable Shipping Weight
    0588F00 90° No Plastic Yes 5.1 lbs.

  • NPTF Threaded Tank Vent Valve

    Figure No. 0588T
    • Machined Aluminum
    • Grey Polymer Valve
    • Mount with a 1" NPTF thread
    • For mounting on metal tanks

    Technical Information

    • Hose Connection: 5/16"
    • Length Inches: 2-19/32"
    • Width Inches: 1-21/64"
    • Projection Inches: 1-3/32"
    • Shut Off Height: 13/32"
    • Mounting Hole Diameter: 1" NPTF
    OEM Bulk Pkg. 20 Pcs. Angle/Port Collar For Use In Tank Fire Test Capable Shipping Weight
    0588T00 90° No Aluminum Yes 4.1 lbs.