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<br /> I The OPW 61SO Overfill Prevention Valve is designed to prevent the overfill of underground
<br /> storage tanks by providing a positive shut-off of product delivery.The shutoff valve is an integral
<br /> part of the drop tube used for gravity filling.The OPW 61SO allows easy installation(without
<br /> 11 breaking concrete)and requires no special manholes.
<br /> The OPW 61 SO is a two-stage shut-off valve. When the liquid level rises to about 950/,of tank
<br /> capacity, the valve mechanism is released, closing automatically with the flow.This reduces the
<br /> flow rate to approximately 5 gpm through a bypass valve.The operator may then stop the filling
<br /> process and disconnect and drain the delivery hose.As long as the liquid exceeds the 95%level,
<br /> the valve will close automatically each time delivery is attempted.
<br /> If the delivery is not stopped and the liquid rises to about 98%of tank capacity, the bypass
<br /> valve closes completely. No additional liquid can flow into the tank until the level drops below a tta LIIPIJ8,D
<br /> reset point. w .a
<br /> Models of the 61 SO are available to meet virtually any UST application including two-point, �–
<br /> coaxial,poppeted coaxial and remote fill.The 61SO-3000 provides two-point overfill protection for f� ' `
<br /> 3"riser pipes,and the 61SO-1000 and 61SO-100C(CARS)feature a grooved-tube design for use
<br /> with tank gauging systems.Methanol and CARS(vapor-tight)approved models are also available, Look krftr%WAV&d,&Vdk
<br /> The OPW 61$0 is approved by the New York City Fire Department,(Approval#4902). OPW W*'°m#dMid=
<br /> Features:
<br /> ♦ Simple,Easy and Quick Installation- ♦ No Pressurization of the Tank-
<br /> No excavation or special manholes Operates directly from liquid level.
<br /> required. *Will Accept a Dipstick for Gauging.
<br /> * Economical-Costs a fraction of ♦ Retrofits Directly-For both new and
<br /> expensive, complicated and difficult- existing tanks with 3"or 4"fill risers. Certification NY City Fire
<br /> tc,4nstall valves, ♦ Quick Drain Feature-Automatically and Listings CARE Department EVR
<br /> i Furnished Complete-Supplied with new drains hose when head pressure is
<br /> upper and lower drop tubes, relieved. 6950 Series Initial Approval
<br /> mounting hardware and thorough ♦ gest Flow hate in The Industry.' Certification 44902 VR-102
<br /> instructions for quick job site time. Letter Oct 88
<br /> (' * Completely Automatic Operation-No. Updated Approval
<br /> prechecks to perform,no resets,and no "Test-witnessed by Bowser-Momer,Inc.,an latter#97-04
<br /> overrides to be broken or abused. independent laboratory.Results available
<br /> upon request. 61SOM Approval
<br /> Letter NM VR-102
<br /> 61$0P Approval -- —
<br /> Materials Seals:Witton' Letter#92-8
<br /> Valve body:cast aluminum Upper&lower Drop Tube: aluminum
<br /> Float: nitrile rubber, closed cell foam Plastic parts: acetal
<br /> Valve:aluminum Hardware:stainless steel
<br /> IMPORTANT
<br /> in order to prevent product spillage
<br /> from the Underground Storage Tank
<br /> (UST),properly maintained delivery
<br /> Advantages of Overfill Prevention equipment and a proper connection at
<br /> the tight-fill adaptor are essential.
<br /> Compared .to Overfill Warning Systems: Delivery personnel should be managed
<br /> and trained to inspect delivery elbows
<br /> ♦Completely Automatic Operation- ♦Speeds Delivery Operations- and hoses for damaged and missing
<br /> Does not rely on the alertness or speed Product flows unimpeded into the tank 'parts.They should always make certain
<br /> of response of the delivery attendant until the hose"kick"that accompanies there is a positive connection between
<br /> for certainty of overfill prevention. the valve shut-off provides a clear the adaptor and elbow. If delivery
<br /> ♦ Keeps the Top of UST"Dry,"per signal that the liquid has reached the equipment is not properly maintained,
<br /> EPA Requirements-Eliminating shut-off level, or the elbow is not securely coupled to
<br /> possible leaks at loose bung fittings ♦Simple and Inexpensive Installation- the adaptor,a serious spill may result
<br /> when the OPW 6150 closes,
<br /> and the need for double containment In both two-point and coaxial fill causing a hazard and
<br /> on vent lines. applications, no additional excavation, envirownental contamination.
<br /> i ♦ Does Not Rely on Pressure in the manholes or vent piping are required. NOTE: The OPW 61SO is designed for
<br /> UST to Stop Flow-Allowing faster fill use on tight-fill gravity drop
<br /> times and reducing spill risk, applications only. Do not use
<br /> for pressure till applications.
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