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SECTION S ♦ Secondary Ontainment System Size Reductions TABLE 2.4.1 Termination Fitting Connections OW, Vc Termination(l)Fitting Size LargeEnd Fits: Small End Fits: nt pipe g a tele- 3"x 211 3" Pipe 2" male threaded adapter(2) a dons can be made from 5"to 4" x fl mm made tttrr later mm)and 4"to 3" 5 mm to 100 �... (100 mm to 75 mm). both ends of 4"x 3" 4" Pipe 3" male threaded adapter(2) the telescoping concentric reducer are bonded to a scarfed or sanded a m tttitn l l e S 11 a e ed a,ape( 3 end of pipe. 6"x 4" 6" Pipe 4" male threaded adapter . __ N- 154 1 t}Q nall' � e lradlclpr..; w (� ment piping Note: All other secondary containment fittings are manu- installations requiri cess stations for vi- sfactured to fit the O.D.of containment piping. sual or electronic le everal sizeof reducing saddles are availabl etin No. B2150 for saddle When terminating from 4" (100 mm) secondary contain- sizes and descriptio ee Fig. 2.6.1). ment pipe to 2" (50 mm)product pipe, the following fit- tings are required: Containment saddles must be installed prior to bonding and testing the product piping. 1. 4"x 3" (100 mm x 75 mm)termination fitting with or without tap Use DS-7000 series adhesive or DS-8000 series adhesive when bonding saddles to the pipe. Threaded connections 2. 3"x 2" (75 mm x 50 mm) secondary containment re- must be made with a flexible connector such as flexible ducer bushing(3) hose to eliminate bending stress. Tighten threads as if they were brass or other soft material. 3. 2" (50 mm)bell x male threaded adapter for secondary containment(O.D. machined or sanded; see Fig. 2.4.4) Procedure for installing secondary containment saddles: See Fig. 2.4.4 below for an example of fittings required. Refer to Fig. 2.6.2. SECTION S • SECONDARY CONTAINMENT SYSTEM SIZE 1. Locate saddle on pipe and mark around saddle base. 2. Use a file or rough sandpaper(40 grit or less) to re- move all surface gloss from the pipe O.D.where the saddle is to be bonded. Use circular or random pattern during sanding to eliminate grooves on the pipe sur- 4 x 3 Termination Fitting face. �— 4"Secondary Containment Pipe 3. After sanding, locate saddle on pipe and mark hole to be cut in pipe. Using a pilot drill and a fine-tooth cir- cular hole saw, cut a hole of the same size as the outlet of the saddle. Do not force the cutter,or it will unduly 2"Bell x Male 2"Product fray the edges of the hole. Threaded Pipe Adapter 4. All bonding surfaces must be free of contamination. (special for secondary 3 x 2 Secondary Containment See Section 7, Para. 2.7.2. containment Reducer Bushing with scarfed, (special for secondary or machined containment with scarfed, C.D.) or machined O.D.) 5. Apply a heavy coat of adhesive to the O.D. of the pipe, FIGURE 2.4.4 I.D.of the saddle, and the edges of the pipe wall ex- posed by the hole. (1) The 6"x 4"(150 mm x 100 mm)termination fitting is not UL Listed. 6. Place the saddle over the hole and clamp with two (2) A special coupling with controlled O.D.may be obtained for use with hose clamps. Using a large screw driver, hand tighten the termination fittings and threaded fittings. the Clamps alternately until SeCUTe and adhesive U not UL Lis (3) x s squeezes e wa Listed. q y(75 mm x 50 mm)secondary containment reducer bushing is s out all the around the saddle. This will 26 0 Installation Instructions