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OPW 61 SO Overfill Materials <br /> Prevention Valves Valve body: Cast aluminum Important <br /> Float: Nitrile rubber,closed cell foam In order to prevent product spillage <br /> The OPW 61 SO Overfill Prevention Valve from the Underground Storage Tank <br /> Valve:Aluminum (UST),properly maintained delivery <br /> is designed to prevent the overfill of equipment and a proper connection <br /> Seals:Vlton" at the tight-fill adaptor are essential. <br /> underground storage tanks by providing Delivery personnel should be <br /> Upper& lower Drop Tube:Aluminum ry p <br /> a positive shut-off of product delivery. managed and trained to inspect <br /> The shut-off valve is an integral part of the Plastic parts:Acetal delivery elbows and hoses for <br /> • Hardware: Stainless steel damaged and missing parts. <br /> drop tube used for gravity filling.The OPW They should always make certain <br /> 61 SO allows easy installation(without --- there is a positive connection <br /> between the adaptor and elbow.If <br /> breaking concrete)and requires no special Features delivery equipment is not property <br /> manholes. maintained,or the elbow is not <br /> ♦ Simple, Easy and Quick Installation securely coupled to the adaptor,a <br /> The OPW 61 SO is a two-stage shut-off -no excavation or special manholes serious spill may result when the <br /> OPW 61 SO closes,causing a hazard <br /> valve.When the liquid level rises to about required. and environmental contamination. <br /> 95%of tank capacity,the valve mechanism ♦Economical-costs a fraction of NOTE:The OPW 61SO is designed <br /> is released, closing automatically with expensive,complicated and difficult- for use on tight-fill gravity drop <br /> the flow.This reduces the flow rate to to-install valves. applications only. Do not use forpressure fill applications. <br /> approximately 5 gpm through a bypass ♦ Furnished Complete-supplied with <br /> valve.The operator may then stop the new upper and lower drop tubes,, <br /> filling process and disconnect and drain mounting hardware and thorough <br /> the delivery hose.As long as the liquid instructions for quick job site time. <br /> exceeds the 95%level,the valve will ♦ Completely Automatic Operation- ♦ Retrofits Directly-for both new and <br /> close automatically each time delivery no prechecks to perform, no resets, existing tanks with 4"fill risers. <br /> is attempted. and no overrides to be broken or abused. ♦Quick Drain Feature-automatically <br /> If the delivery is not stopped and the ♦ No Pressurization of the Tank- drains hose when head pressure is <br /> liquid rises to about 98%of tank capacity, operates directly from liquid level. relieved. <br /> the bypass valve closes completely. No ♦Will Accept a Dipstick for Gauging ♦ Best Flow Rate in The Industry* <br /> additional liquid can flow into the tank <br /> Test-witnessed by Bowser-Mcrner.Inc.an independent laboratory Results available upon request, <br /> until the level drops below a reset point. <br /> Models of the 61SO are available Advantages of Overfill Prevention <br /> to meet virtually any UST application Compared to Overfill Warning Systems: <br /> including two-point,coaxial, poppeted ♦ Completely Automatic Operation ♦ Speeds Delivery Operations- <br /> coaxial and remote fill. Methanol -does not rely on the alertness or product flows unimpeded into the tank <br /> approved models are also available. speed of response of the delivery until the hose"kick"that accompanies <br /> The OPW 61 SO is approved by the attendant for certainty of overfill the valve shut-off provides a clear <br /> prevention. signal that the liquid has reached the <br /> New York City Fire Department. <br /> (Approval#49Q2). i ♦ Keeps the Top of UST "Dry,"per shut-off level. <br /> EPA Requirements-eliminating ♦ Simple and Inexpensive Installation- <br /> possible leaks at loose bung fittings in both two-point and coaxial dill <br /> and the need for double containment applications, no additional excavation, <br /> on vent lines. manholes or vent piping are required. <br /> ♦ Does Not Rely on Pressure in the <br /> Look for this label for <br /> it" <br /> authentic OPW EVR UST to Stop Flow-allowing faster fill <br /> Approved products. times and reducing spill risk. <br /> OPW <br /> Listings and Certifications NY City Fire <br /> Certifications and Listings Department <br /> 61 SO Series Approval#4902 <br /> ■�COMMrI' <br />