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SECTION 5 <br /> SMITH <br /> SECONDARY CONTAINMENT SYSTEM <br /> SIZE REDUCTIONS <br /> In-line secondary containment reducer is not UL Listed. mm reducer which fits only a <br /> pipe size reductions are made 4"/102 mm male threaded adapter. <br /> using a termination concentric The large end of the termination When a standard sleeve coupling <br /> reducer without the tap. Reduc- concentric reducer is bonded to a is used, one end of the coupling <br /> tions can be made from 6" to 4" scarfed or sanded end of pipe.The must be sanded so that it properly <br /> (152 to 102 mm)and 4"to 3"(102 small end of the reducer is bonded fits the small socket end of the <br /> to 76 mm).Note:The 6"x 4"(1152 x to a standard sleeve coupling termination concentric reducer. <br /> 102 mm) termination concentric (except for the 6" x 4"/152 x 102 See Figure 2.4.3. <br /> SECTION 6 <br /> SMITH <br /> SECONDARY CONTAINMENT SADDLES <br /> For secondary containment piping Containment saddles must be products) when bonding saddles <br /> installations requiring intermed- installed prior to bonding and to the pipe.Threaded connections <br /> iate access stations for visual or testing of the product piping. must be made with a flexible con- <br /> electronic leak detection, several nector such as flexible hose to <br /> sizes of reducing saddles are avail- Use appropriate adhesive for the eliminate bending stress. Tighten <br /> able. See Manual No. B2100 for service (DS-8000 series for threads as if they were brass or <br /> saddle sizes and descriptions. alcohol/alcohol-gasoline mixtures; other soft material. <br /> (See Figure 2.6.1.) DS-7000 series for petroleum <br /> Note: If connecting components extend to the surface where the assembly O <br /> can be subjected to bending forces,flexible connectors(such as flexible <br /> hoses)must be used to eliminate bending stress. O <br /> O O <br /> t <br /> Figure 2.6.1 <br /> 29 <br />