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• VALVES & ACCESSORIES <br />MML <br />Check Valves <br />For use in Grooved -End Piping Systems <br />SERIES 7800 CHECK VALVES (ORDERING <br />INFORMATION) <br />Sample Part Number <br />4" 78 1 <br />1 <br />X <br />4" 7811—> <br />Size Series <br />Clapper Facing Material <br />Body Finish <br />Special Configuration <br />2" - 12" 78 - 7800 <br />1 - EPDM (Std) <br />1 - Painted (Std) <br />2 - Other* <br />2 - Nitrile (Std) <br />Contact an Anvil representative for more Information. <br />MATERIAL SPECIFICATIONS <br />Hinge Pin <br />FI t / Lifting <br />F (10" and 12' <br />Valves Only) <br />1/21i <br />NPT `D <br />B <br />i <br />1/2" NPT <br />FIGURE :•• CHECK VALVE <br />Nominal <br />Nominal Dimensions <br />Approx. <br />Size <br />O.D. <br />Wt. Ea. <br />A <br />B <br />C <br />D <br />E <br />F <br />G <br />INDN(mm) <br />In/mm <br />In <br />In/mm <br />In/mm <br />INmm <br />In <br />In <br />In/mm <br />Lh AK9 <br />2 <br />2.375 <br />68/4 <br />28% <br />P/,a <br />18'A <br />41/2 <br />38/6 <br />48% <br />7.5 <br />59 <br />69.3 <br />171 <br />69 <br />36 <br />44 <br />114 <br />81 <br />111 <br />3.4 <br />2/2 <br />2.875 <br />7Y4 <br />2/6 <br />18/6 <br />1s/4 <br />313/6 <br />35% <br />41/2 <br />10.5 <br />65 <br />710 <br />184 <br />61 <br />39 <br />44 <br />96 <br />92 <br />114 <br />ell <br />3 <br />3.500 <br />78/4 <br />2% <br />2 <br />1 s/ a <br />41/ a <br />311/ a <br />41'/ a <br />11.5 <br />89 <br />88.9 <br />1 197 <br />67 <br />51 <br />46 <br />103 <br />93 <br />125 <br />52 <br />4 <br />4.500 <br />81/8 <br />31/8 <br />2/4 <br />2/2 <br />5/6 <br />41/4 <br />6 <br />13.5 <br />199 <br />Ifell <br />206 <br />79 <br />57 <br />64 <br />128 <br />108 <br />152 <br />6.1 <br />5 <br />5.563 <br />9s/4 <br />31/2 <br />2s/4 <br />2'/6 <br />5s/6 <br />4'% <br />6s/4 <br />19.0 <br />125 <br />141.3 <br />246 <br />89 <br />79 <br />61 <br />147 <br />117 <br />171 <br />8.6 <br />6 <br />6.625 <br />128/4 <br />41/4 <br />3'/6 <br />3Ye <br />61/4 <br />6s/4 <br />81/2 <br />33.5 <br />150 <br />168.3 <br />324 <br />108 <br />84 <br />79 <br />159 <br />171 <br />216 <br />15.2 <br />8 <br />8.625 <br />14s/4 <br />5/6 <br />3"/6 <br />4 <br />5'/6 <br />8 <br />10Y4 <br />59.0 <br />200 <br />219.1 <br />365 <br />128 <br />100 <br />102 <br />150 <br />203 <br />260 <br />26.8 <br />10 <br />10.750 <br />18 <br />6'/6 <br />4"/6 <br />4a/fi <br />61/8 <br />9s/6 <br />1211/6 <br />130.0 <br />250 <br />273.1 <br />457 <br />160 <br />125 <br />115 <br />175 <br />233 <br />322 <br />59.9 <br />12 <br />12.750 <br />21 <br />7'/6 <br />6 <br />5/6 <br />7Y4 <br />108% <br />148/4 <br />183.0 <br />300 <br />323.9 <br />533 <br />185 <br />152 <br />128 <br />184 <br />264 <br />375 <br />83.9 <br />GL-3.14 <br />