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f t CONTACT US FOR MORE INFORMATION ! <br /> 1555 Copperhill Parkway / Santa Rosa , CA 95403 <br /> stern Ph : ( 800 ) 688-3375 or ( 707 ) 523-2050 <br /> ergla$ www.westernfg . com <br /> Pressure System Supply Piping <br /> Suction System Supply Piping <br /> Tank Vent Piping <br /> Stage II Vapor Recovery Piping <br /> Remote Fill Lines <br /> Terminations : All piping terminations are to be within contained , <br /> accessible , sump areas to facilitate testing and inspection after <br /> installation . <br /> Operating Pressures & Vacuums : Operating pressure should not exceed 75 <br /> psi or a vacuum of 29 " Mercury , <br /> Operating Temperatures :emperatures : Operating temperatures should not exceed 150 <br /> degrees F or 66 degrees C . <br /> Bend Radius : The listed bend radius should be followed to prevent <br /> cracking , kinking or breaking . Any kinked sections should not be used . <br /> Pipe Diameter ID Minimum Bend Radius i <br /> 3" 72" <br /> 2" 36" FEB `- 2019 <br /> 1 1 / 2" 24 <br /> 1 " 18" <br /> 3/ 4" 18" <br /> On site air temperature does affect the flexibility during installation , the <br /> piping is more pliable when warm . <br /> Testing: Primary piping for 3 " , 2 " , 1 '/2 " , 1 " and 3/4 " shall be capable of <br /> maintaining 50 psi for a minimum of one ( 1 ) hour . Secondary interstitial <br /> space for 3 " , 211 <br /> , 1 '/2 " , 111 , 3/4 " shall be capable of maintaining 10 psi for a <br /> minimum of one ( 1 ) hour . These tests may be performed after installation is <br /> complete , but before backfill . Allowed monitoring methods are by <br /> Pressure , Vaccum or Interstitial Liquid Level Monitoring ( ILLM ) . Please note : <br /> the interstitial space of Co - Flex Piping has a capacity of approx . one ( 1 ) <br /> fluid ounce per linear foot . Care needs to be taken when pressurizing the <br /> secondary , add pressure slowly and do not exceed 10 psi during <br /> pressurization process . Always use safe procedures when pressure testing <br /> piping systems . Western Fiberglass , Inc . assumes no liability or responsibility <br /> for testing procedures . <br /> COPYRIGHT 2006 BY WESTERN FIBERGLASS , INC . <br /> ALL RIGHTS RESERVED , USE BY WRITTEN PERMISSION ONLY , Page 3 of 12 <br />