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Ll <br />Our Patented Design is the <br />Most Effective and the <br />Most Versatile. <br />The OPW 61SO Overfill Prevention <br />Valve is designed to be a simple, low <br />cost solution to the shut-off of product <br />delivery to underground storage tanks. <br />The shut-off valve is an integral part of <br />the drop tube used for gravity filling. <br />The OPW 61SO allows easy installa- <br />tion without breaking concrete and no <br />special manholes are required. <br />The OPW 6150 is a two-stage shut- <br />off valve. When the liquid level rises to <br />about 95% of tank capacity — the valve <br />mechanism is released and closes auto- <br />matically with the flow. This reduces <br />the flow rate to approximately 5 gpm <br />through a bypass valve. The operator <br />may then stop the filling process, dis- <br />connect and drain the delivery hose. As <br />long as the liquid exceeds the 95% <br />level, the valve will close automatically <br />each time delivery is attempted. <br />If the storage tank is overfilled to an <br />unsafe condition and the liquid rises to <br />about 98% of tank capacity — the <br />bypass valve closes. No additional liq- <br />uid can flow into the tank until the level <br />drops below a reset point. <br />Designed to meet two point, coaxial, <br />poppeted coaxial and remote fill appli- <br />cations, the OPW 6150 family contin- <br />ues to grow. The 61SO-3000 provides <br />two point overfill protection for 3" riser <br />pipes, and the 61SO-1000 and 61SO- <br />1000(CARB) feature a grooved tube <br />design for use with tank gauging sys- <br />tems. Methanol and CARB approved <br />models are available. The OPW 61SO <br />is approved by the New York City Fire <br />Department. (Approval #4902). <br />POELIHO COMPONSNt4 <br />A OWER RESWRCES COMPANY <br />Features of the 61SO Series: <br />♦ Simple, easy and quick installation <br />— no excavation or special manholes <br />required. <br />♦ Economical — costs a fraction of <br />expensive, complicated and difficult <br />to install valves. <br />♦ Furnished complete — most models <br />supplied with new upper and lower <br />droptubes, mounting hardware and <br />instructions for quick job site time. <br />♦ Completely automatic operation — <br />no prechecks to perform, no resets, <br />no over rides to be broken or abused. <br />♦ Works at all flow rates — operates <br />directly from liquid level. <br />♦ Will accept a dipstick for gauging. <br />♦ Retrofits directly — for existing <br />tanks and 3" or 4" riser pipes. <br />♦ Quick drain feature — <br />Automatically drains hose when <br />head pressure is relieved. <br />♦ Best flow rate in the industry.* <br />Advantages of Overfill <br />Prevention Compared to <br />Overfill Warning Systems: <br />♦ Completely automatic operation — <br />does not rely on the alertness or <br />speed of response of the delivery <br />attendant — for certainty of overfill <br />prevention. <br />♦ Keeps the top of UST "dry", per <br />EPA requirements — eliminating <br />possible leaks from loose bung <br />fittings and the need for double <br />containment on vent lines. <br />♦ Does not rely on pressure in the <br />UST to stop flow — allowing faster <br />hose drain times and reducing spill <br />risk. <br />♦ Speeds delivery operations — the <br />hose "kick" that accompanies the <br />valve shut-off provides a clear signal <br />that the tank has reached a <br />predetermined level. <br />♦ Simple and inexpensive installation— <br />in coaxial fill applications, no <br />additional excavation or vent piping <br />is required. <br />*Test witnessed by Bowser-Morner, <br />Inc., an independent laboratory. <br />Results available upon request. <br />Teloone: (513)810-3219. (8O) 422-2525 ® For (513) 870.9186 • (800) 421.3297 <br />01992 OPW Fu&q Cmpowh ® P.O. Box 405003 ® Gn(mnati, OH 45240.5003 ® Pdnted in USA • TE61SOF ® 3/96 EM <br />