The Six Port Selector Valves are designed for engine applications where a fuel return or spill back is required.  The closed bottom with O-ring sealed cap and stem eliminates external leakage.  
These valves are widely used in the trucking and marine industry, along with manufactures of diesel generating plants.  They are generally recommend for operation in gasoline, oil, air and water systems.  
The specially formulated high temperature, low friction grease permits sealing and ease of turning from -40° to 180° F at a maximum operating pressure of 15 P.S.I. 
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Common Applications: 
Gasoline
Oil 
Air 
Water
Diesel Generating Plants
Fuel Return
Trucking