Carter® Auxiliary Vents Model 64078 Model 64159 Eaton’s Carter product line includes Auxiliary Vent Models 64078 and 64159, designed to act as auxiliary vents only, for venting vapor during bottom loading and for allowing in-flow of air during refueling. If an air-operated vent is desired, order Model 64078. If a vent that is connected directly to the internal valve is desired, order Model 64159. Features yy Bonded poppet seal assures leak-free operation and minimal maintenance cost yy Maximum vent flow, without air pressure being applied, will occur at 5 psi (.345 bar) yy Cracking pressure, no air pressure applied — 3 psi (.297 bar) yy Model 64078 — Double seal actuating piston vented externally to prevent fuel incursion into air system yy Model 64078 — Interlock port capability with internal valve is standard yy Temperature range: Standard seals: -40°F to 140°F (-40°C to 60°C) Viton seals: 0°F to 140°F (-17.77°C to 60°C) yy Interchangeable with Whittaker equivalent units — Eaton’s Carter Model 64078 vent is completely interchangeable with either Whittaker Model F646 or the F646B (interlock port in the Eaton vent is standard at no extra cost). Model 64159 is interchangeable with the Whittaker Model F646A. Model 64078 Vent
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