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Drop Tubes A90 Coaxial Drop Tube with Adapter The A90 drop tube is used in coax- ial fill systems. Since it is a tube within a tube, it can act in the same manner as a ball float valve to prevent overfilling of underground tanks. The product is dropped through the inner-most tube and vapors return to the tanker through the space between the inner and outer tube. When the product covers the outer tube, vapors can no longer return to the tanker. Product flow is reduced by 99% and the driver has time to close the valves on the tanker before an overfill occurs. The A90 has a vapor recovery efficiency rating in excess of 95%. Required by legislation in some areas of the country. Comes complete with adapter and bushing, as required. Use the A97 fill cap and F298 elbow or equivalent. SOLD IN CARTONS OF TWO. Eye �---- Model No. Fuel Size Weight Tube No. Adapter Bushing A90-001 Leaded/Unleaded 4" x 12' 13 lbs. 491511 491687 N/A A90-002 Leaded/Unleaded 3" x 12' 9 lbs. 491512 491687 491689 A90-005 Leaded/Unleaded 4" x 14' 15 lbs. 491511 A96-001 N/A The A20 drop tube is used in con- ventional non -vapor recovery and dual point vapor recovery fill systems. The drop tube fits directly into the tank riser pipe to permit tight fill submerged filling with reduced turbulance and minimal vapor loss. Light weight aluminum for easy han- dling and installation. Complete with buna gasket. Cut 450 in the field to fit. Use with the Emco Wheaton A30 adapter and A97 fill cap. Use the F523 Elbow or equivalent. SOLD IN CARTONS OF FOUR. Model No. A20-001 A20-002 A20-003 A20-004 A20-006 (.065 Wall Thickness) A20-007 A20-008 A20-009 �b i 0-S L_ 1 t -j I L - Size Weight 3" x 10' 3 lbs. 3" x 11' 3'/2 lbs. 4" x 10' 41/2 lbs. 4" x 12' 5 lbs. 4" x 12' 51/2 lbs. 2" x 10' 21/2 lbs. 4" x 14' 51/2 lbs. 4/'x 14' 6 lbs.