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SECTION 6 ♦ Installation 1.6.6 Connecting to Other Systems NOTE: When using threaded reducer bushings,the bushing should be BONDED AND CURED before the Adapters available for connecting to other systems include male thread is screwed into the bushing. the following: threaded adapters(bell or spigot by NPT or BSP threads), reducer bushings(NPT), and flanges. You can use DS-8000 series adhesives instead of thread lubricant on threaded adapters. Be certain to tighten Note: When using adapters with spigot ends, it may be the threaded adapters as with standard thread lubricant. necessary to cut off a portion of the factory pipe bell if the threads are not fully exposed. 2. Flanges (see Fig. 1.6.24) 1. Threaded Before bonding the flange adapters(NPT onto the pipe,make sure the or BSP)and re- bolt holes line up with the ducer bushings El mating bolt holes on the (NPT) (see Fig. other system. Do not bolt 1.6.23) 01 the flange before bonding ® O unless insertion depth of the Before making spigot is previously checked up threaded CA93 to be certain that the spigot FIGURE 1.6.24 connections, in- does not bottom out or ex- spect the tend through the flange. threads. Do not use fittings with "M01111111 The use of flat washers on all nuts and bolts is re- damaged quired. The maximum allowable torque is indicated threads. , on each flange. Inspect all steel threads and re- LSmith Fiberglass Products flanges meet ANSI B16.5 move any burrs. Class 150 bolt hole standards. Full-face Basketing ma- Threads must FIGURE 1.6.23 terials, V (3 mm)thick, with a Shore A hardness of 60 be clean and to 70 durometer, are recommended for Smith dry before applying thread lubricant. Fiberglass Products flanges. Gaskets made from Teflon(1)and PVC usually have high durometer ratings When using threaded adapters, thread them into the and are not acceptable. other system before bonding onto Smith Fiberglass Products pipe. Otherwise,unless a union is used, it Connecting to flat-face flanges—Smith Fiberglass may be impossible to turn the adapter into the mating Products flanges must be joined to flat-face flanges. thread. You will obtain best results using a strap The recommended maximum torque is listed on the wrench and a solvent-free, soft-set,non-metallic flange label. thread lubricant. The thread lubricant must be chemi- cally resistant(compatible)with the petroleum or alco- 1.6.7 Flexible Hose Connections hol product conveyed in the piping system. Do not use thread sealing tapes. For best results, apply thread Flexible hose connectors are preferred when connecting lubricant to both the male and female threads. HI PRO the product piping lines and vapor recovery lines to the PLUSTM thread sealant from Smith Fiberglass Products underground storage tank and dispenser(see Fig. 1.6.25). can be used as the thread lubricant. HI PRO PLUS Use of flexible connectors at each location facilitates ease sealant makes installation of fiberglass threaded fit- tings easier and reduces the possibility of joint leaks. Refer to Bulletin No. D4510, packaged with each kit, for mixing and application instructions. Typical Pump Installation Tighten threads 1 to M turns past hand tight to ensure a proper seal. CAUTION: Do not over tighten. Tighten the adapters as if they were brass or other soft material. RED THREAD IIA Threaded Adapter Flexible Connection (1)Teflon is a registered trademark of E.I.DuPont de Nemours Co. FIGURE 1.6.2- 16 14 Installation Instructions