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ISD Flow Meter Installation Guide Installation Steps-Vacuum Assist System Below Shear Valve <br /> I – - <br /> - – – – – – – – – Dispenser hydraulics cabinet i inches–'–' <br /> I <br /> I Vapor return line I <br /> from dispenser <br /> I I <br /> I I <br /> Vapor return line <br /> /shear valve <br /> --------------- <br /> ---------- ---- ---- -- <br /> --------------- I View A-A <br /> I <br /> Top of pedestal island ----- ' _-- -----------------I <br /> ° <br /> A -- ---------------- ---------- ---------------- D�d�, p�dD10 pQ�p � <br /> °0 I ��r°�oQ01 ISD Va <br /> /Flow , A� o�1�d <br /> Meter <br /> 0 � 0 ° PRo� °�°oo <br /> 1 °� ° 8 inche <br /> 1Q0 <br /> ° o�, � <br /> ° gF Approx. Iw � <br /> pQ` <br /> er°p <br /> 6 inches I <br /> Approx. <br /> I 22 inches I <br /> I I <br /> r. <br /> I \ Required'Y'fitting for (~1=rches— i I / <br /> I introducing liquid during I <br /> I TP-201.4 dynamic <br /> I / backpressure test. <br /> Main vapor <br /> I return line Dispenser sump I <br /> – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – <br /> VERTICAL ACCESS HORIZONTAL ACCESS <br /> FITTING INSTALL FITTING INSTALL <br /> Figure 3. Example flow meter installations with approximate clearances <br /> 7 <br />