Fuel hose Aeroquip®

hydraulicsiliconePTFE

Eaton’s 666/667 series of flexible hose assemblies are designed to operate at nominal pressure below 1,500 psi for fuel, hydraulic, coolant and other aircraft fluids. Hoses provide motion and flexibility for systems with expected movement/vibration and allow for easier service and connect/disconnect. Eaton’s hose construction includes PTFE smooth inner core, with stainless steel corrosion resistant wire braid. Our hose options include integral molded silicone sleeve for fire protection and chafe resistant fiber sleeve and align to AS1946 performance requirements. Kinked Hose • Usually is a result of a PTFE hose being improperly handled • Fluid flow is reduced • A break is in the making Twisted Hose • Incorrectly installed, easy to spot • Flow is cut down • If the hose is permanently deformed, replace it at once Scuffed Hose • Results from abrasion against a frame, an engine component, or another hose, or from incorrect clamping • Hard to detect on unsleeved wire-braided hose. • Sleeved hoses usually exhibit evidence of wear if this problem is present Brittle Hose • Rubber hose that has hardened, no longer flexible • Feel for stiffness • Wiggle and listen for crackling • Temperature and time produce this effect • Be sure you have the correct type of hose for the application Seeping • First appears as a slow leak • Look for wetness on the hose or dripping at the socket • Instead of disappearing, leakage will get worse • Inspect hose routing to insure that the hose has some straight length where it exits the fitting Rusty Hose • Indicated when outer rubber cover is split, abraded or cracked.