JAYCO SUPER SEAL  •  EXCEEDS API2000 STANDARDS FOR ALLOWABLE LEAKAGE  •  GREAT FLOW CHARACTERISTICS  •  ALL HIGH TENSILE STRENGTH ALUMINUM LID AND BASE  •  DESIGNED FOR EASY MAINTENANCE  •  LOCKING FOR SECURITY  •  DEPENDABLE STOCK LEVELS AT OUR FACTORY

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THE PURPOSE OF THE THIEF HATCH IS TO WORK IN TANDEM WITH THE VENT VALVE TO MINIMIZE THE ESCAPE OF LIGHT ENDS OF CRUDE IN LEASE STORAGE TANKS BY MAINTAINING A PRESSURE ON THE TANK.  A VACUUM RELIEF FUNCTION IS ALSO STANDARD TO PREVENT A SUCTION OR DRAW DOWN FROM COLLAPSING THE TANK.  THE THIEF HATCH PERMITS ACCESS TO THE CONTENTS OF THE TANK FOR SAMPLING AND GAUGING.  THE VENT VALVE SHOULD BE SET TO VENT PRESSURE BEFORE THE THIEF HATCH.

 

     JAYCO THIEF HATCHES ARE DESIGNED FOR OPTIMUM PERFORMANCE AND EASY CLEANING AND MAINTENANCE, AND ARE AVAILABLE IN 8 INCH ROUND AND 20 INCH LONG PAN, WITH STANDARD SETTINGS OF 4.0 OUNCE PRESSURE AND 0.4 OUNCE VACUUM WITH OPTIONAL PRESSURE SPRINGS FOR 2, 6, 8, 12, AND 16 OUNCE SETTINGS.  A BASE GASKET IS STANDARD WITH EACH HATCH.