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OPW 61 SOODVERFILL PREV# NTION VALVES Our Patented Design is the Features of the 61SO Series: Most Effective and the ♦Simple,easy and quick installation Most Versatile. —no excavation or special manholes The OPW 61 SO Overfill Prevention required. Valve is designed to prevent the overfill •Economical—costs a fraction of of underground storage tanks by pro- expensive,complicated and difficult viding a positive shut-off of product to install valves. delivery.The shut-off valve is an inte- •Furnished complete—supplied gral part of the drop tube used for grav- with new upper and lower drop- ity filling.The OPW 61SO allows easy tubes,mounting hardware and installation(without breaking concrete) thorough instructions for quick job and requires no special manholes. site time. The OPW 61 SO is a two-stage shut- •Completely automatic operation— off valve.When the liquid level rises to no prechecks to perform,no resets, about 95%of tank capacity,the valve and no overrides to be broken or mechanism is released closing automat- abused. ically with the flow.This reduces the •No Pressurization of the tank— flow rate to approximately 5 gpm operates directly from liquid level. through a bypass valve.The operator ♦Will accept adipstick for gauging. may then stop the filling process and ♦Retrofits directly—for both new disconnect and drain the delivery hose. and existing tanks with 3" or 4" fill As long as the liquid exceeds the 95% risers. level,the valve will close automatically Quick drain feature— each time delivery is attempted. Automatically drains hose when If the delivery is not stopped and the head pressure is relieved. liquid rises to about 98%of tank capac- Best flow rate in the industry.* ity,the bypass valve closes completely. No additional liquid can flow into the Advantages of Overfill tank until the level drops below a reset point. Prevention Compared to Models of the 61 SO are available to Overfill Warning Systems: meet virtually any UST application •Completely automatic operation— including two point,coaxial,poppeted does not rely on the alertness or coaxial and remote fill.The 6150-3000 speed of response of the delivery provides two point overfill protection attendant—for certainty of overfill for 3"riser pipes,and the 61 SO-1000 prevention. and 61SO-100C(CARB)feature a •Keeps the top of UST"dry",per grooved tube design for use with tank EPA requirements—eliminating gauging systems.Methanol and CARB possible leaks at loose bung fittings (vapor tight)approved models are also and the need for double containment available.The OPW 61 SO is approved on vent lines. by the New York City Fire Department. ♦Does not rely on pressure in the (Approval#4902). UST to stop flow—allowing faster fill 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— *Test witnessed by Bowser-Monter, in both two-point and coaxial fill Inc., an independent laboratory. applications, no additional excava- Results available upon request. tion,manholes or vent piping is F31 N" required. O Telephone:(513)8703219.18001 4 22-25 25•Fax:(513)870 •(800)421-3297 e 1997 OPW Fueling Components•P.O.Box 405003•(inumna0,Ohio 452405003•Printed In USA•TE6ISOF•4/97