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ISD Flow Meter Installation Guide Installation Steps- Vacuum Assist System Below Shear Valve <br /> Dispenser hydraulics cabinet F 4 � <br /> mches <br /> I I <br /> Vapor return line <br /> from dispenser I <br /> I <br /> I <br /> I <br /> Vapor return line I <br /> shear valve <br /> I_________. ____O ®____� _® ® ______________.I <br /> View A-A <br /> Top of pedestal island 1 _ <br /> ° _ I__________ _____ ___ ! <br /> o -1------------- --�' - --------------- <br /> 0c, b odo <br /> JIS <br /> O o�� l V �Q- or <br /> I" Dg,�- s 1 a°I�b r--9 <br /> g�rO Qr bQVVQ t <br /> Now meter AZIAppm <br /> IDvo° �1�010-'0 <br /> o OeaQ.0 0Q0 I prox. 1 00 f 0�o�1 0 <br /> Ap o <br /> � QQ0�� flinches �d 04 <br /> X00 eQ�0�1 A � 0��00� <br /> V ° O �� oI 1 <br /> 1 ,Approx. I <br /> 6 inches1 <br /> 2InchApprox. <br /> 22 Inches I <br /> I <br /> \ Required'Y'fitting for --1es—'I <br /> introducing liquid during I <br /> I TP-201.4 dynamic 1 <br /> backpressure test. <br /> Main vapor I <br /> return line <br /> I Dispenser sump I <br /> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ <br /> VERTICAL ACCESS HORIZONTAL ACCESS vnmplumb.eps <br /> FITTING INSTALL FITTING INSTALL <br /> Rgure 3. Example flow meter installations with approximate clearances <br /> 7 <br />