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ISD Flow Meter Installation Guide Installation Steps-Vacuum Assist System Below Shear Valve t <br /> i <br /> - - - - - - - - - - - - - - - - - - - - - - - <br /> Dispenser hydraulics cabinet I 4 -► <br /> inches <br /> I Vapor return line <br /> from dispenser I �y <br /> I I <br /> Vapor return line <br /> /shear valve <br /> -- - ---- 0--- --O I <br /> FoT <br /> ---------- ---- ---'' - --------------- View A-A <br /> Top of pedestal island I _ -- I <br /> Q o� b I-------- - ----- ----- _- -----------------I d� A Q <br /> e ,' e Q <br /> p� -- ---------------- I °Dp 4 <br /> 0°000 Q �1\I ISD Vapor IQ°00 °0°�(e� <br /> 0 Qr 0 Z°Ili 4 ��a I /Flow Meter A I p��°��A I�0 °N o V <br /> I U <br /> °OI��0g0�1 Approx- ICip� �o�i0° e <br /> 4 Q Q1Q I 8 inches I I� °4 4 nV A <br /> Q <br /> A 10 <br /> 4�I pg00°Oi IO�14drJ4 rmp <br /> t Approx. I <br /> 6 inches l <br /> I 22 inches I <br /> I I <br /> \ Required'Y'fitting for I�-1A2!mrc <br /> I introducing liquid during I 4 <br /> TP-201.4 dynamic <br /> backpressure test. <br /> Main vapor <br /> I return line Dispenser sump <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> VERTICAL ACCESS HORIZONTAL ACCESS mffp'°"b°ps <br /> FITTING INSTALL FITTING INSTALL <br /> Figure 3. Example flow meter installations with approximate clearances <br /> 7 <br />