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Positive Seal Quality Materials Sump Entry Flexible entry boots have been tested to withstand a minimum of 6' of liquid head pressure. These seals provide a studded flange connection to create a positive and secure seal where the rubber contacts the sump wall and also around the pipe or conduit. Tightening down on a series of stud fasteners with a compression ring pro- vides a high compression mechanical seal compared to screw on type bulkhead seals. Angled Entries Pipe and conduit entering the containment sumps may not be perpendicular with the sump wall. Angled entries are generally a result of directional plumbing restrictions on the inside of the containment chamber due to space limitations. Flexible entry boots are flexible enough to per- mit angled pipe or conduit entries (on two axises) into the sidewall of a containment chamber. All flexible entry boots permit angled entries up to a 15 degree angle off the perpendicular center line in any direction without leaking or putting undue stress on the pipe or conduit seal. Universal Alignment These seals are also capable of universal pipe alignment either up and down or side to side. This feature allows accom- modation of pipe entry holes which are installed slightly off exact center alignment in the chamber wall. This movement will prevent the chamber wall from putting undue stress on the pipe coupling/fitting joint and the entry boot as well. For flexible piping applications within dis- penser sumps, the stresses on the pipe fittings below the prod- uct inlets are minimized by the boot's flexibility. Corrosion Resistance The exterior studded metal compression ring that provides the positive sealing pressure is encapsulated within rubber to protect it from corrosion. More than a 1/8" of rubber isolates the metallic studded ring from the ground environment. All studs are made of 401 stainless steel and are only exposed on the inside of the containment sump. Chemical Compatibility All seals are made of specially formulated Buna-N rubber compound which has been independently tested to insure its compatibility with a wide assortment of chemicals. These tests include measuring the material's retention of properties as well as the physical characteristics of the seal after exposure. UL Listed Environ flexible entry boots are Listed with Underwriters Laboratories, Inc., (UL). The scope of the tests include broad compatibility testing for both petroleum products and burial environments as well as physical testing to confirm the entry boots structural integrity and liquid tightness. Sizes Available Application1.32" 4.25" FEB -3157 Designed to seal 1/2 3/4 or 1" rigid conduit. 1.81" 4.25" FEB -3150 1.81" 4.75" FEB -5150 1.81" 6.25" FEB -6150 2.37" 6.25" FEB -6200 3.50" 6.25" FEB -6300 3.6" 7.75" FEB -7360 4.50" 7.75" FEB -7400 Designed to seal 1-1/2" standard rigid pipe. Designed to seal 1-1/2" GeoFlexflexible pipe. Designed to seal 1-1/2" GeoFlexflexible pipe. Designed to seal 2" GeoR"flexible pipe. Designed to seal 3" standard rigid pipe. Designed to seal 3" Geoflexflexible pipe. Designed to seal 4" standard rigid pipe. 4.50" 7.75" GDB-7450 Designed to seal 4" GeoDuct flexible ducting. 6.50" 9" FEB -8600 Designed to seal 6" standard rigid pipe. 1.81" 7.75" GDB-4515 Seals 4" GeoDuct to 1-1/2" GeoFlex 2.37" 7.75" GDB-4520 3.5" 7.75" GDB-4530 6 Environ Literature Can Be Accessed From Our Websti:'' www.envproduct com Seals 4" GeoDuct to 2" GeoFlex Seals 4" GeoDuct to 1-1/2"GeoFlex w/coax (Donut) Publication: EPF-0090 P.O. Box 330 • Smithfield, NC 27577-0330 • Tel: (919) 359-3400 • Customer Service (800) 833-1883 • Fax: (919) 359-3687 Issue Date: 05-02-02 Supersedes:11-06-01 U.S. Patent 5263794, 5271518, 5297896, 5366318, 5346625, 5398976, Other U.S. and Worldwide Patents Pending • ® Copyright 2002