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Ik OPW 71SO Overfill Materials r Important Prevention Valves In order to prevent product Valve Body Cast aluminum spillage from the Underground The CARE -certified OPW 7150Storage Tank (UST), properly float; Nitrile rubber, closed cell foam maintained delivery equipment vapor-tight Overfill Prevention Valve } and a proper connection at the Valve : Aluminum is designed to prevent the overfill of j tight•fill adaptor are essential, underground storage tanks by providing Seals : Viton® a Delivery personnel should F ` managed and trained apositive shut-off of product delivery. Upper & lower Drop Tube: Aluminum Nt to inspect delivery elbows The shut off valve is an integral part of plastic parts ; Acetal the drop tube used for gravity filling . } and hoses for damaged and missingaris. The should aiardware : Stainless steel y always moke certain there The OPW 71 SO allows easy installation s is a positive connection (without breaking concrete) and requires r �U between the adaptor and Features elbow, If delivery equipment no special manholes. a Simple, Easy and Quick '; Is notY ro erl maintained, P P The OPW 71 SO Is a vapor-tight two Installation — no excavation Or s? ' , or the elbow is not securely coupled to the adaptor, a stage shut-off valve. When the liquid special manholes required . { serious spill may result when level rises to about 95 % of tank o Economical — costs a fraction ` the DPW 7150 closes, causing capacity, the valve mechanism is of expensive, complicated and 4;$_ a hazard and environmental released, closing automatically with p P contamination, the flow. This reduces the flow rate to difficult-to install valves. approximately 5 gpm through a bypass Furnished Complete — supplied NOTE: The DPW 7150 is ll valve. Theo operator may then stop the with new upper and lower drop tubes, designed for use on ions only,P y P gravity drop applications only, filling process and disconnect and drain mounting hardware and thorough ) Do not use for pressure the delivery hose. As long as the liquid instructions for quick job site time, i - • fill applications, exceeds the 95 % level, the valve will Completely Automatic Operation close automatically each time delivery — no prechecks to perform , no resets so Retrofits Directly — for both new is attempted . and no overrides to be broken and existing tanks with 4 " fill risers. If the delivery is not stopped and the or abused . Quick Drain Feature — liquid rises to about 98% of tank No Pressurization of the Tank — automatically drains hose when head capacity, the bypass valve closes operates directly from liquid level, pressure Is relieved. completely. No additional liquid can flow ` Will Accept a Dipstick t^ Best Flow Rate In The Industry * into the tank until the level drops below for Gauging a reset point . * OPW Test Lab results NOTE : The 71 SO Overfill Prevention Valve can be adjusted to shutoff at any Advantages of overfill Prevention desired tank capacity. Please contact the Compared to Overfill Warning Systems: Authority Having Jurisdiction (AHI) and Completely Automatic faster fill times and reducing review local, state, and national codes to .. . Operation — does not rely on the spill risk , determine the regulatory requirements alertness or speed of response of the 4sSpeeds Delivery Operations governing shut-off capacity in your delivery attendant for certainty of — product flows unimpeded into region, as well as take into account overfill prevention . the tank until the hose " kick " that other considerations such as extreme tank tilt. In all cases, the upper tube Keeps the Top of UST " Dry," accompanies the valve shutoff er quirements smow ear that the must protrude into the tank at least e�Im natinRe possible leaks at loose provides has relachedthelshut off level , 61 /2 to ensure that the valve can shut g P q off flow into the tank completely before bung fittings and the need for ♦ Simple and Inexpensive the top of the tank is wetted as per double containment on vent lines. Installation — in both two-point EPA requirements. Does Not Rely on Pressure in and coaxial fill applications, no the UST to Stop Flow — allowing additional excavation, manholes or 7150 Instruction Sheet Order vent piping are required , Number: H15524PA _ 7}f Look for this label for Listings and meq= " `�� authentic oPWEVIt (2 ULC Approved products. Certifications Resources Boerrd DPW 71SO is EVR Approved for EBS a e L r� �rnx cmrtri tri^1�01 1101 L xI ithmr i3r c a x rix . ice # rfi•4rm-* too C> P VV #.f 'rpt ?i l 2r{�lil.ltTrL ' `3 f" Et1 i sit l�' � „ l�; n 3'y4�I� • , .I�.. ' l L . I L . t. ( t4 73 ' ! 4 1 I �! t- y .fl7` 1 fi 4: . f. ' S '. C 1 S 1 . . ..` � . �,.y > :..� L+C . � .t.. . Y 4. '. .t .yt: l.. j I .fv. Y ,: l