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EMCO� Wilson,North Carolina 27693 <br /> WHEATON RETAIL Telephone: 252.243.0150 <br /> Web:www.emoorstalf.com <br /> A1100 Overfill Prevention Valve Calculation Sheet <br /> This calculation sheet/s to document the dimensions needed for proper installation and should be used <br /> only with the instructions. This sheet assumes 85%maximum fill based on NFPA30 guidelines. Length <br /> measurements are in inches. Contact the local Authority Having Jurisdiction(AHJ)to determine all <br /> regulatory requirements regarding it//capacity. <br /> 1.Tank Diameter is TD TD= c5 <br /> 2.Tank Capacity is TC TC=- 1,,203E� <br /> 3. Desired Shutoff Percentage(Note NFPA Guidelines) SO%= IS- <br /> 4. Shutoff Tank Capacity TC@ shutoff%=TC x 0.95 <br /> 5.Tank Level from Stick Chart for Shutoff Capacity(95%) <br /> 6.Tank"B]]Dimension B=TD-TL@95% B= �3 - / <br /> 7. Distance from top seal surface (9)to the top(inside)of the tank(2) is A A= <br /> 8. Length of OPV top tube to(95%mark)on the A1100 is C- C=A+B See <br /> Picture. Measure C distance from the 95%line on valve and cut top tube C= <5.-D <br /> 9. Distance from the top seal surface(1)to the tank bottom is D D=Tank Dia+A D= <br /> 10. OPV Assembly Overall Length DAL= D-6 inches. Screw together top and <br /> bottom tube assemblies. Measure from top tube end and cut bottom tube either <br /> straight or 45 degree at operators preference. (See diagram to insure the 6" <br /> maximum clearance is maintained) DAL= <br /> U.S.PATEKT'S 50Y7aT�,59 <br /> 1. The sealing surface refers to the location of the OPV collar sealing point It may be the riser pipe or the seal surface built M to some spill <br /> buckets. <br /> 2.If the tank uses a manway,be sun;to use the tank top for measurement and not the top of the manway as shown in the diagram. <br /> Riser Pipe with Spill Containment Manhole Manway Style Tank <br /> - RISER PIPE <br /> cou lAlMCNi NAUMDLE MANVIAY <br /> T <br /> RISE"FIFE A <br /> •]100 VANE ASSEMBLY <br /> uND A U.D t <br /> ar—E LNiN �_ 0 <br /> I —_i <br /> u, <br /> D <br /> P <br /> ,ts• 47 <br />