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The OPW 61 SO Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positive shut-off of product delivery. The shut-off valve is an integral part of the drop tube used for gravity filling. The OPW 61SO allows easy installation (without breaking concrete) and requires no special manholes. The OPW 61 SO is a two-stage shut-off valve. When the liquid level rises to about 95% of tank capacity, the valve mechanism is released, closing automatically with the flow. This reduces the flow rate to approximately 5 gpm through a bypass valve. The operator may then stop the filling process and disconnect and drain the delivery hose. As long as the liquid exceeds the 95% level, the valve will close automatically each time delivery is attempted. If the delivery is not stopped and the liquid rises to about 98% of tank capacity, the bypass valve closes completely. No additional liquid can flow into the tank until the level drops below a reset point. Models of the 61 SO are available to meet virtually any UST application including two-point, coaxial, poppeted coaxial and remote fill. The 61SO-3000 provides two-point overfill protection for 3" riser pipes, and the 61 SO -1000 and 61SO-100C (CARB) feature a grooved -tube design for use with tank gauging systems. Methanol and CARB (vapor -tight) approved models are also available. The OPW 61 SO is approved by the New York City Fire Department. (Approval #4902). Features: ♦ Simple, Easy and Quick Installation - No excavation or special manholes required. r Economical - Costs a fraction of expensive, complicated and difficult - to -install valves. ♦ Furnished Complete - Supplied with new upper and lower drop tubes, mounting hardware and thorough instructions for quick job site time. ♦ Completely Automatic Operation - No prechecks to perform, no resets, and no overrides to be broken or abused, Materials Valve body: cast aluminum Float: nitrile rubber, closed cell foam Valve: aluminum ♦ No Pressurization of the Tank - Operates directly from liquid level. ♦ Will Accept a Dipstick for Gauging. ♦ Retrofits Directly - For both new and existing tanks with 3" or 4" fill risers. ♦ Quick Drain Feature - Automatically drains hose when head pressure is relieved. ♦ Best Flow Rate in The Industry.* " Test -witnessed by Bowser-Momer, Inc., an independent laboratory. Results available upon request. Seals: viton Upper & lower Drop Tube: aluminum Plastic parts: acetal Hardware: stainless steel Advantages of Overfill Prevention Compared to Overfill Warning Systems: Completely Automatic Operation - Does not rely on the alertness or speed of response of the delivery attendant for certainty of overfill prevention. L* Keeps the Top of UST "Dry," per EPA Requirements - Eliminating possible leaks at loose bung fittings and the need for double containment on vent lines. Does Not Rely on Pressure in the UST to Stop Flow -Allowing faster rill times and reducing spill risk. ♦ Speeds Delivery Operations - Product flows unimpeded into the tank until the hose "kick" that accompanies the valve shut-off provides a clear signal that the liquid has reached the shut-off level. ♦ Simple and Inexpensive Installation - In both two-point and coaxial fill applications, no additional excavation, manholes or vent piping are required. Look for this label for authentic OPW EVR approved products Certifications NY City Fire and Listinas CARB Denartment EVR 61 SO Series Initial Approval Certification #4902 VR -102 Letter Oct 88 Updated Approval Letter #97-04 _ 61SOM ` Approval Letter #90.5 VR -102 61 SOP Approval Letter #92-8 IMPORTANT In order to prevent product spillage from the Underground Storage Tank (UST), properly maintained delivery equipment and a proper connection at the tight -fill adaptor are essential. Delivery personnel should be managed and trained to inspect delivery elbows and hoses for damaged and missing parts. They should always make certain there is a positive connection between the adaptor and elbow. If delivery equipment is not properly maintained, or the elbow is not securely coupled to the adaptor, a serious spill may result when the OPW 61 SO closes, causing a hazard and environmental contamination. NOTE: The OPW 61SO is designed for use on tight -fill gravity drop applications only. Do not use for pressure fill applications. North America Toll Free - TELEPHONE: (800) 422-2525 - Fax: (800) 421.3297 - Email: domesticsales9opw-rc.com International - TELEPHONE: (513) 870-3315 or (513) 870.3261 - Fax (513) 870.3157 - Email: i nlisalesOopwdc.com www.opw4c.com ��>w• a Copyright 2004, OPW Fueling Components - P.O. Box 405003 • Cincinnati, OH 45240-5003 • Printed in USA 0 3/04 ,