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CONTACT US FOR MORE INFORMATION ! <br /> f; stern 1555 Copperhill Parkway / Santa Rosa , CA 95403 <br /> Ph : ( 800 ) 688-3375 or ( 707 ) 523-2050 <br /> QryldS„ S www. westernfg . com <br /> Series routing is most desirable for pressure systems . The piping system runs <br /> from the tank sump to each successive dispenser . All piping terminations <br /> are to be within enclosed sump areas , not direct buried . Single and / or <br /> dual pipe lines can be installed to accommodate any total number of <br /> product dispensers . Note : 1 1 / 2 " I . D . Co - Flex piping is typically suitable for <br /> continuous operation of up to six ( 6 ) product dispenser nozzles . <br /> Suction system routing requires direct runs where each dispenser is <br /> connected to the tank sump via it ' s own pipe line . <br /> Co - Flex flexible piping must be installed in our approved chase conduit - <br /> 4 " Rockguard ( P14531 ) . After installation of conduit , the flexible pipe is <br /> pulled through the conduit by threading a cap with an " I " bolt to the pipe <br /> termination and attaching a rope or cord . <br /> U <br /> IL <br /> F <br /> FEB e <br /> EI /J <br /> PIPING TRENCHES : h , <br /> Trenches should be at least twice the width of all piping and / or conduits 7 <br /> to be installed within . One pipe diameter spacing between each pipe run <br /> is required . <br /> Piping systems requiring " fall " should have a minimum of I % or 1 /8 51 per <br /> linear foot from pipe run termination point back to the tank sump ( s ) . <br /> The recommended backfill and trench bed material is rounded pea <br /> gravel 1 /8 " to 3 / 4 " in diameter . Crushed stone , 1 /8 " to 3 /4 " , and \ or river <br /> sand may be used if washed and it is free flowing . <br /> A 6 " bed of recommended backfill material , free from any debris , is <br /> placed in the piping trench prior to installation . <br /> COPYRIGHT 2006 BY WESTERN FIBERGLASS , INC . <br /> ALL RIGHTS RESERVED , USE BY WRITTEN PERMISSION ONLY . Page 5 of 12 <br />