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® OPW 1 SO OVERFILL PREVENTION VALVES <br /> 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 shut-off valve is an integral <br /> part of the drop tube used for gravity filling.The OPW 61SO allows easy installation(without <br /> 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 95%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 <br /> reset point. <br /> Models of the 61SO 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 <br /> 3"riser pipes,and the 61SO-1000 and 61SO-100C(CARE)feature a grooved-tube design for use <br /> ® with tank gauging systems. Methanol and CARR(vapor-tight)approved models are also available. <br /> The OPW 61 SO is approved by the New York City Fire Department.(Approval#4902) <br /> IMPORTANT <br /> In order to prevent product spillage from the Underground Storage Tank(UST),properly maintained delivery equipment and a proper <br /> connection at the tight-fill adaptor are essential.Delivery personnel should be managed and trained to inspect delivery elbows and <br /> ® hoses for damaged and missing parts.They should always make certain there is a positive connection between the adaptor and <br /> elbow. If delivery equipment is not properly maintained,or the elbow is not securely coupled to the adaptor,a serious spill may result <br /> when the OPW 61SO closes,causing a hazard and environmental contamination. <br /> NOTE: The OPW 61SO is designed for use on tight-fill gravity drop applications only. Do not use for pressure fill applications. <br /> Features: <br /> Simple,Easy and Quick Installation No Pressurization of the Tank- Certifications NY City Fire <br /> No excavation or special manholes Operates directly from liquid level. and Listings CARR Department EVR <br /> required. Will Accept a Dipstick for Gauging. 6150 Series Initial Approval <br /> Economical-Costs a fraction of Retrofits Directly-For both new and Certification #4902 VR-102A <br /> expensive,complicated and difficult existing tanks with 3"or 4"fill risers. Letter Oct 88 <br /> to install valves. Updated Approval <br /> Furnished Complete Supplied with new Quick Drain Feature-Automatically Letter#97.04 <br /> p PP drains hose when head pressure is 61SOM Approval <br /> upper and lower drop tubes, relieved. Letter#90-5 VR-102A <br /> mounting hardware and thorough gest Flow Rate in The <br /> _ instructions for quick job site time. Industry.* 61SOP Approval <br /> Completely Automatic Operation-No Letter#92.8 <br /> prechecks to perform,no resets,and no 'Test witnessed by Bowser- ,Inc.,an <br /> overrides to be broken or abused. independent laboratory.Resuultslts available, <br /> upon request. <br /> „� ii , ° rrfit[ >re�raeton <br /> Materials <br /> _ #' i.!1i>rO>tnN;; gst+ S: Valve body:cast aluminum <br /> " Jt°II Float:nitrile rubber,closed cell foam <br /> C4mpEetely Auto rrtetic 4"peratwn S d ">7e( ry t parattot} <br /> yes not rely on the alertness vrsj5eed Product flows unimpeded int© let# Valve:aluminum <br /> Anse 'the delivery attendant, until the horse"kick";that acco �� .i Seals:viton <br /> rty of avefilC prevention: the uatve shut-tfl provides a char Upper&lower Drop Tube:aluminum <br /> �� , <br /> Keeps the Top of UST"Dry,"per sal fe ltia has reached the Plastic parts:acetal <br /> EPAire ItmtnatErtg ? rtff level � a Hardware:stainless steel <br /> � q 1 burl fits`" Snipe:ancl tnexpensrve Install " <br /> & � utile-containmftn:boih c Kirit anc co� ffN `���y�i ���i <br /> on-venfltnes. applicattonsne pion # tiw n . <br /> � Iot e[r orr Pressure in the. manll6 or,vt p"►ptng are �t� <br /> tJT to Stip Flow-Alio�k.faster I#i , <br /> times a t�ducn sp(II risk: <br /> t <br />