Page 212 - Parker - Polyflex Hose Products (Ultra High Pressure Thermoplastic Hose)
P. 212
polyflex ®
Catalog 4900
Technical Information Installation Tips
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Hose is weakened when installed in twisted position. Also, Hose should exit coupling in a straight position rather than
pressure pulses in twisted hose tends to fatigue wire and side loaded. Ample bend radius should be provided to avoid
loosen fitting connections. Design so that machine motion collapsing of hose and flow restriction. Exceeding minimum
produces bending rather than torsion. bend radius will greatly reduce hose assembly life.
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When hose assembly is installed in a flexing application, Use elbows or other adapters as necessary to eliminate
remember that metal hose fittings are not part of the flexible excess hose length and to ensure neater installation for
portion. Allow ample free length for flexing. easier maintenance.
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Pressure can change hose length as much as ±3%. Provide Avoid installing hose line close to exhaust manifold or any
slack in line to compensate for hose length changes. other hot section. If possible, isolate hose with fireproof
boot or other protective means.
F3 Parker Hannifin Corporation
Parflex Division polyflex Operations
®
FluidConnectors
