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ISD Vapor Flow Meter Installation Installation Steps - Balance Systems Below Shear Valve <br />IMPORTANT: Upper and lower flanges must align to within 1/16' center -to -center <br />/69 before installing flow meter. If piping is improperly aligned, torque could damage <br />L_j__X the flow meter and result in vapor leakage. <br />Base of dispenser cabinet <br />Vapor return line <br />Top of -------------------- -- shear valve --------- I <br />pedestal island <br />-----------------------———————-----—— — — — <br />I,✓ <br />,O V — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —CQ— <br />�;q © 0 —Vapor return line shear <br />\, 0 U valve installed as per <br />0 ®Q e I local code requirements. I n 0' <br />1" NPT i— - — OR <br />G /` o threaded pipe <br />Mating fitting (customer supplied) <br />5/16 x 3/4" hex bolts w/ \ <br />lock washers (typ.) \ ( / 1-11.5" NPT x 2" steel nipple <br />INLET M I 1i Y y Flange with 1" NPT threaded inlet (typ.) <br />L —® — - — — Inlet O-ring Junction box <br />(customer <br />supplied) I <br />I ISD Vapor 6., I <br />Flow MeI Cable / <br />10.8" I I <br />A (Approx.) j j i J <br />6.8" d,Vlr, <br />Cord grip <br />I I <br />I <br />Seal off / <br />(customer <br />— _ — OR — .— -� Outlet O-ring supplied) I <br />OUTLET <br />End view ; <br />j 1-11.5" NPT x 2" steel nipple Conduit to <br />Install with arrowTLS Console <br />` I <br />stamped in end Mating fitting <br />pointing down — — — (customer supplied) I <br />Threaded pipe <br />Outlet option <br />(see inlet detail above) <br />Required 'Y' fitting for <br />introducing liquid during <br />TP -201.4 dynamic <br />Vapor return line backpressure test. <br />I <br />............... ._._._._................_._....... _......_._ <br />isc eW'\Wrmbelbs.eps <br />Figure 4. Example Vapor Flow Meter Installation Below Shear Valve <br />19-8 <br />ARB Approved IOM 19 - ISD Balance Vapor Flow Meter Installation Guide - Executive Order VR -204 <br />