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Superior Plating Gives Parker TFD Fittings Superior Protection Against Corrosion
Superior plating gives fittings from Parker Hannifin Corporation's Tube Fittings Division (TFD) unmatched protection against red rust. This helps customers avoid the many costs of corrosion - calculated not only in terms of possible leak points and replacement fittings, but also potential lost sales stemming from poor product perception. Parker TFD fittings are an integral component of any leak-free, well-functioning - and great-looking - hydraulic system. In a recent salt spray test conducted by Miami Valley Materials Testing Center, an accredited independent test center, Parker TFD fittings remained free of red rust after 480 hours exposure. This result significantly exceeds both the current SAE requirement of 72 hours (and proposed new SAE requirement of 96 hours) salt spray with no red rust. As illustrated in Table 1, Parker TFD fittings and fittings from five major competitors were exposed to neutral salt spray test ASTM B117. One of the competing fittings exhibited red rust upon reaching the current SAE requirement of 72 hours while two other fittings exhibited red rust upon reaching the 96 hours benchmark – thus falling short of the proposed new requirement. The two remaining competitor fittings showed red rust after 240 hours. It is possible that, in real-world application, replacement of some or all of these fittings would be necessary, with the exception of the Parker TFD fittings.
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Parker TFD fittings withstand the harshest operating environments, particularly those that promote the rapid onset of red rust. Red rust - the formation of iron oxide - signals oxidation and deterioration of the fitting base metal. This can degrade the fitting and compromise its performance. And although the presence of red rust does not necessitate that a fitting be replaced, it can quickly undermine a customer's confidence in the integrity of the system or machine it is installed on.
