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. 31 3 To obtain proper gasket compression for bulkhead fitting installation, tighten the fitting nut hand tight (check to see if it engages the tank wall) Tighten the nut an additional 314 tum for fittings less than 1 in , or 113 turn for fittings 1 in.or larger A light lubricant,such as PAM cooking spray, is recommended to prevent thread seizing on bulkhead fittings Inspect the gasket to make sure it is fully contacting the inner surface of the fitting body flange and the inside tank wall Gasket compression should be between 25 -50% Recheck fitting tightness periodically. 32 SELF-ALIGNING THREADED BULKHEAD FIT71NG 321 Follow the same procedures as detailed under threaded bulkhead fitting installation steps 31 1 -31 3 322 Piping should be installed into the fitting ball with an appropriate thread sealant(i a Teflon®pipe sealant) Adjust the piping to the required angle(within the limits of the frtting) When the piping has been located as required,tighten the PVC ball retainer ring located on top of the PVC bail 33 BOLTED FLANGE FITTING 331 The bolted flange fitting shall be constructed with 2 ea 150 Ib flanges(101 and C2),2 ea 150 Ib flange gaskets (D1 and 132),the correct number of full threaded bolts(A), bolt gaskets (B), flat washers (E), lock washers(F), and hex nuts(G)for the flange specified NOTE If the tank wall thickness is greater than or equal to 0 750,the inner flange(Cl) and the inner flange gasket(D1) maybe omitted In certain low stress applications only Please consult factory prior to omitting any components or the tank warranty maybe voided Refer to Figure 3 2 for part identification 332 Disassemble the fitting as shipped by removing the bolt's hex nuts, lock washers,flat washers, outer flange, and outer flange gasket Locate the fitting hole on the inside of the tank and insert the bolts (still installed on the inner flange and gasket)through the drilled holes in the tank. Place the outer flange gasket over the bolts on the outside surface to the tank Place the outer flange over the outer gasket and bolts Install the flat washers, lock washers, and hex nuts on the bolts Check to make sure the fitting assembly appears as shown in Figure 3 2 5 F C2 E 02 THE FOLLOWING TIpfrENINE 01 SEGUENCE IS S EGETTO FOR THE BOLTS f3 t C1 e A 34 4 INSIDE TANK WALL SURFACE 706 2 Figure 3 2 333 To obtain proper gasket compression,tighten all the fitting nuts hand fight with a deep socket using the bolt tightening sequence shown until the gaskets engage the tank wall and the lock washers are compressed Tighten each nut an additional 3 turns (2 turns if the inner flange and gasket are not utilized) using the same sequence(do not tighten more than 1 turn at a time) A light application of lubricating oil is necessary to prevent thread seizing on S S. bolts Gasket compression should be between 25- 50% Recheck fitting tightness periodically. 8