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Materials OPW 71SO Overfill , ,� "�i Important PreventionValves a„ � c'? 4 a ii t'a "+! i Ilii ii�� I�I�II�iVh pi V Floa#.' Itrlle ruh� cioed callbam , ti^ I�, „ N In order to prevent product spillage from the Underground The CARB-certified OPW 71 SO 1lalVe:AlumI tri Storage Tank(UST),properly Sealsc Uitone° maintained delivery equipment vapor-tight Overfill Prevention Valve and a proper connection at the Upper'&lower Drop Tube:Aluminum tight-fill adaptor are essential. is designed to prevent the overfill of Delivery personnel should be underground storage tanks by providing Plastic parts:Acetal managed and trained to inspect delivery elbows and hoses for a positive shut-off of product delivery. r p p ry Hardware:Stainless steel damaged and missing parts. The shut-off valve is an integral part of • They should always make certain there is a positive the drop tube used for gravity filling.The connection between the adaptor OPW 71 SO allows easy installation Features and elbow.If delivery equipment is not properly maintained,or the (without breaking concrete)and requires ♦Simple,Easy and Quick Installation elbow is not securely coupled no special manholes. —no excavation or special manholes to the adaptor,a serious spill may result when the OPW 71 SO The OPW 71 SO is a vapor-tight two- required. closes,causing a hazard and ♦Economical—costs a fraction of environmental contamination. stage shut-off valve.When the liquid expensive,complicated and difficult- NOTE:The OPW 71 SO is level rises to about 95%of tank capacity, to-install valves. i designed for use on tight-tilt the valve mechanism is released, gravity drop applications only. closing automatically with the flow.This ♦Furnished Complete—supplied Do not use for pressure fill with new upper and lower drop tubes, F: applications. reduces the flow rate to approximately mounting hardware and thoroughly 5 gpm through a bypass valve.The instructions for quick job site time. r operator may then stop the filling •Completely Automatic Operation—no ♦Retrofits Directly—for both new and process and disconnect and drain the prechecks to perform,no resets and no existing tanks with 4"fill risers. delivery hose.As long as the liquid overrides to be broken or abused. ♦Quick Drain Feature—automatically exceeds the 95%level,the valve will ♦No Pressurization of the Tank— drains hose when head,pressure is close automatically each time delivery operates directly from liquid level. relieved. is attempted. •Will Accept a Dipstick for Gauging ♦Best Flow Rate in The Industry* If the delivery is not stopped and *Test-witnessed by Bowser-Morner,Inc.,an independent laboratory.Results available upon the liquid rises to about 98%of tank request capacity,the bypass valve closes A�uantace�A Ovrfi��iee�retttron� r � , completely.No additional liquid can flow Compared to over illmarri 5ystelms into the tank until the level drops below ♦ Completely Au#oma#tc Opera#ton Speeds Deln�ery tpera#cons a reset point. does not ely on the alertnassor ,product flows unimpeded lrtto the tank s , d of les nse of the delivery until the hose"kick that aim antes 71 SO Instruction Sheet Order ! p attendant fvr Cer#ait y of Overfill the valy Shin-Off.�1r041des a CIeaE � Number:H15524PA prevention sigrialahat the liquid has reached ilia" W,,'Keeps the Top of UST"Dtyper shut-off I&el Et A R�utrements eliminating �i�;' I ffioje and lnexpensnre tnstallatton possible leaks at loose bong fittings � both tv =pant and coaxial It, and the need for doublecof#t mment � �pltca#tuns,no additional excavatt`on, ofr;ventlines �� 'anholes orventpiping are required. ♦ Does Not hely on pressure m the UST to #op Flaw allovinng faster fill ttrrfes and riducingspill nsk Look for this label for OPW (/moi authentic EVR Certifications caitfomiaAir U�'C Listings and Approved products. Resources Board i _.. - A *COMPANY