In-line Vent Hose Surge Protector

Product Description
    • Black and White Polymer Valve
    • Aluminum Surge Float
    • Prevents fuel surges and back splash during re-fueling
    • Perko's patent pending in-line surge protector functions both as a fill limit valve assisting in pump auto shut-off and a check valve to prevent wellback in the vent line. Consult Perko for details on how to install the surge protector as a replacement for a fill limit valve.
    • NOTE: Must be installed within 30° of vertical if vented.
    • The fourth image illustrates the placement of the surge protector in the vent line.
Technical Information
  • Hose Connection: 5/8"
  • Length Inches: 1-9/16"
In-Line Surge Protector Usage
Below are the three different stages demonstrated to show how the Perko In-Line Surge Protector prevents wellback.

Figure 1: The float in the static rest position.

Figure 2: The float rising with a surge of fuel.

Figure 3: The float sealing the vent line to prevent wellback.
Ordering Information
Dealer Pkg. 5 Pcs. 1 per Card OEM Bulk Pkg. 25 Pcs. Carton Ship Wt. Lbs. DP/OEM Bulk
0553DP0 0553000 0.8/2.0

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