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1 ! r 4 Vt"y iF♦! y } t A f M 1�f ♦ <br /> r ! Br ! <br /> t <br /> j <br /> MaterialsOPW 71 SO Overfill <br /> Important Prevention Valves <br /> In order to prevent product <br /> spillage from the Underground The CARB certified OPW 71S0 <br /> Storage Tank(UST),properly <br /> maintained delivery equipment vapor-tight Overfill Prevention Valve <br /> and a proper connection at the <br /> Wht-fill adaptor are essential. is designed to prevent the overfill of <br /> Delivery personnel should be underground storage tanks by providing <br /> as tC pa 5 y1 managed and trained to inspect <br /> delivery elbows and hoses for a positive shut-off of product delivery. • <br /> fiardmraae atamless steel.; damaged and missing parts. The shut-off valve is an integral part of <br /> .. <br /> They should always make <br /> certain there is a positive the drop tube used for gravity filling.The <br /> connection between the adaptor <br /> Features and elbow.If delivery equipment OPW 71S0 allows easy installation <br /> is not properly maintained,or the (without breaking concrete)and requires <br /> ®Simple,Easy and Quick Installation elbow is not securely coupled no special manholes. <br /> —no excavation or special manholes to the adaptor,a serious spill <br /> may result when the OPW 71 So The OPW 71 SO is a vapor-tight two- . <br /> required. closes,causing a hazard and <br /> O Economical—costs a fraction of' <br /> -environmental contamination. stage shut-off valve.When the liquid <br /> expensive,complicated and difficult- NOTE:The OPW 71 SO is level rises to about 95%of tank capacity, <br /> to-install valves. <br /> designed for use on tight-fill the valve mechanism is released, <br /> gravity drop applications only. closing automatically with the flow.This <br /> O Furnished Complete—supplied Do not use for pressure fill <br /> with new upper and lower drop tubes, applications. reduces the flow rate to approximately <br /> mounting hardware and thorough 5 gpm through a bypass valve.The <br /> instructions for.quick job site time. operator may then stop the filling <br /> Completely Automatic Operation—no Retrofits.Directly—for both new and process and disconnect and drain the <br /> prechecks to perform,no resets and no existing tanks with 4"fill risers. delivery hose.As long as the liquid <br /> overrides to be broken or abused. O Quick Drain Feature—automatically exceeds the 95%level,the valve will <br /> O No Pressurization of the Tank— drains hose when head pressure is close automatically each time delivery <br /> operates_directly from liquid level. relieved, is attempted. <br /> ®_Will Accept a Dipstick for Gauging ♦Best Flow Rate in The Industry* If the delivery is not stopped and <br /> "Test-witnessed by Bowser-Morner,Inc.,an independent.laboratory.Results available upon the liquid rises to about 98%of tank <br /> request. capacity,the bypass valve closes <br /> completely.No additional liquid can flow <br /> into the tank until the level drops below <br /> a reset point. <br /> 71St)kilo ction Sheet Order <br /> Number:H15524PA <br /> iiii'lillill lit <br /> Listings and = Look for this label for <br /> ULC authentic OPW EVR <br /> Certifications California Air i Approved products. ��— <br /> Resources Board <br /> ' A G_J Cn6apAraY <br />