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41 <br />MODEL LENGTH =ETD+ riser -bottom clearance <br />DETERMINING MODEL LENGTH <br />Effective Tank Diameter (ETD) is <br />the combination of any or all of the <br />following: <br />Tank Diameter (to top of 4" bung) <br />+ Manway <br />+ Sump Adapter <br />Riser to be determined by bury depth <br />BURY <br />DEPTH <br />RISER LENGTH <br />MIN. <br />MAX. <br />2' <br />7" <br />7" <br />2.5' <br />7" <br />ll" <br />3' <br />7" <br />17" <br />4' <br />71' <br />29" <br />5' <br />7" <br />41" <br />6' <br />7'I <br />53" <br />7' <br />7" <br />65" <br />Note: Above ground tanks have a <br />minimum riser length of 7" and a <br />maximum of 36". <br />w <br />GRADE LEVEL <br />C^--------``- <br />RISER , <br />a� S(JMP <br />Y <br />ADAPTER <br />MODEL MANWAv <br />LENGTH <br />EFFECTWE <br />TANK DIAMETER <br />;ETD) <br />BOTTOM CLEARANCE <br />Note: VL2 can be used in 94'/0 of all known installations. The following information indicates certain <br />installations where a VL1 or VL3 is required: <br />113 HP <br />USE VL2 IF MODEL LENGTH IS 84-147n <br />Use VL1 if model length is shorter than 84 down to 52". <br />Use VL3 if model length is longer than 147 up to 209". <br />3/4 HP <br />?,SSE VL2 IF MODEL LENGTH IS 86-149". <br />Use VL1 if model length is shorter than 86 down to 54". <br />Use VL3 if model length is longer than 149 up to 211". <br />11/2 ';HP <br />USE VL2 IF MODEL LENG71i IS 89-152". <br />Use VL1 if model length is shorter than 89 down to 57". <br />Use VL3 if model length is longer than 152 up to 213". <br />1 1/2 HP <br />USE VL2 IF MODEL LENGTH IS 90.153". <br />HIGH <br />Use VLl if model length is shorter than 90 down to 58". <br />PRESSURE <br />Use VL3 if model length is longer than 153 up to 214". <br />^ '1�W=z <br />FF Petro, Inc. ■ 4805 Voges Road ■ P.O. Box 139 ■ McFarland, WI 53558 <br />(608) 838-8786 ■1-800-225-9787 ■ Fax: (608) 838-6433 <br />10/96 <br />