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9. Slip the flange gasket over the threads on the bolts. Push <br /> Do not use factory-installed fittings as lifting lugs. the gasket flush against the tank wall. <br /> Tank Piping 10. Slip the flange over the bolts. <br /> All pipes, valves and other accessories must be 11. Coat the threads of the bolts with anti-seize to keep the <br /> independently supported. Do not support piping,valves threads from gulting. <br /> or other accessories with tank connections. 12. Place the flat washer,lock washer,and nut on the bolt <br /> Note:Flexible expansion joints must be used on all sidewall threads and torque to 11-ft.lbs. <br /> fittings to allow the tank to expand and contract while filling 13. Hydro-test before introducing chemical. <br /> or draining. Not using the expansion joints may result in <br /> premature failure of the vessel. Installation of Bulkhead and Self-Aligning Dome <br /> Assmann recommends that a hydro-test be performed after Fittings <br /> the installation is complete to ensure all piping has been Note: Do not install self-aligning dome fittings in the <br /> installed properly. <br /> sidewall of the tank. Self-aligning fittings are for top use <br /> Installation Of Fittings And Accessories only. <br /> 1. Locate on the tank where you want to place the fitting <br /> Flange Fitting Assembly and mark the tank. Do not locate sidewall fittings too <br /> close to the bottom radius on tank. <br /> 1. Locate on the tank where you want to place the fitting <br /> and mark the tank. 2. Drill a pilot hole using a'A"drill. <br /> 2. Place the flange on the tank and trace the center hole and 3. Measure the body of the bulkhead fitting you intend to <br /> the bolt holes on the flange.Note:The bolt holes must install.See figure#4 <br /> straddle the centerline of the tank. See figure#3 <br /> Figure#4 <br /> Figure#3 <br /> Tank center line <br /> x <br /> 3. Drill pilot holes in the center of each hole traced using a <br /> '/a"drill. 4. Using a hole saw that is slightly larger than the body of <br /> the bulkhead fitting,carefully drill the access hole. <br /> 4. For the center hole you will need a hole saw the same 5. Trim all burrs inside and out that may have been caused <br /> size as the flange. Example:A two-inch flange will by drilling. <br /> require a two-inch hole saw. <br /> 5. Carefully drill out the center hole with the hole saw. 6. Place the body of the bulkhead fitting with the gasketthrough the hole from the inside. <br /> 6. Use a''/z"drill to finish the bolt holes. The bolts should 7. Thread the nut of the bulkhead on hand tight. Hold the <br /> fit snug when placed through the holes. body of the bulkhead fitting steady and tighten the nut <br /> 7. Trim all burrs inside and out that may have been caused another 1/4 to 1/2 turn. <br /> by drilling. 8. Hydro-test before introducing chemical. <br /> 8. Place the bolts through the tank wall so the threads are <br /> outside and the gasket head is on the inside. <br /> 2 <br />