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� =1 1 7 <br />High Flow Capacity The Primary Poppet is held out of the flow stream while the secondary <br />poppet is held normally open to minimize head loss across the valve and to protect the poppet <br />seals from damage and erosion. True 11/2" (4 cm) and 2" (5 cm) body sizes ensure <br />maximum Aviv. <br />Fire Protection — A fusible link trips the valve closed at 165* F to shut off fuel supply to the <br />dispenser. <br />Main Poppet Seat Integral to the Top Assembly — Having the main poppet seat as an integral <br />part of the valve top assures a new, clean seating surface is installed each time the top is <br />replaced. This design also ensures that the integrity of the seal between the valve top and <br />bottom is verified during line testing and allows full inspection of the main poppet when the top <br />is removed. <br />• Reliable Shut-off — A stainless steel main spring, a feflon-coated brass packing nut, and a <br />copper/nickel/chrome-plated brass stem are designed to prevent tar build-up and corrosion <br />from interfering with poppet operation after is periods of normal service without activation. <br />• Integral Test Port — A S/8" (9.5 mm) Test Port allows the piping system to be air tested without <br />breaking any piping connections, <br />• Patented Thermal Relief Valve — Relieves excessive pressure build-up caused by thermal <br />expansion of fuel in the dispenser piping system in the event of fire rtprep-models <br />only), <br />Low -Profile Tops — Female and Union -top double -poppet valves have a low -profile top to allow <br />Multiple Mounting Options — Valves are boss -mounted to stabilizer bars in sumps and pans o <br />mounted to bars embedded in the island with optional U -Bolt kits I OUBK-015 (not included). <br />Versatile Combination Body (boss mount/U-Bolt mount) models are available to accommodal <br />_32mmm�� <br />