BENDIX BW2627 User's Manual
Contents
1. 2007 Bendix Commercial Vehicle Systems LLC a member of the Knorr Bremse Group 05 07 All Rights Reserved2. Genuine Bendix Valves Tests show that some knock off valves may be potentially hazardous or inferior to genuine Bendix parts Comprehensive testing by Bendix Commercial Vehicle Systems continues to show that some knock off brake valves not only fall short of Bendix specifications but can lead to safety hazards through inferior production quality The following is an example of a recent test on a knock off valve product purchased off the shelf compared to the Bendix E 6 brake valve Test Showing Non Genuine Knock off Valve Leakage Cracks in Housing Result in System Air Leakage After thousands of hours of testing the knock off and the Bendix brake valve in identical conditions the results are in Test Category The Results The Potential Impact To Your Vehicle Too high of a pressure differential can cause the primary circuit to Pressure differential at double open long before the secondary circuit causing longer stopping the allowable OEM spec distances and accelerated wear of other critical brake components friction material drums seals Safety Inconsistent spring tension means the driver loses the ability Inconsistent and poor to lightly apply the brakes The valve acts more like an instant quality graduating springs on off switch instead of providing the expected gradual braking capability Weak or thin body castings not only cause internal component misalignment but also make the valve more susceptible to crackin
3. g or may even result in a complete valve rupture Valve bodies cracked before the Durabilit ae test was complete Machined surface finish did not meet OEM Significantly reduced component life decreased durability and loss specifications when the tested product was of valve function Rough surfaces will cause O rings to wear and new out of the box may cause premature air leaks Machined Surface Finish No corrosion protection material was found Corrosion on outer castings Material used Protection on internal components failed 50 sooner than OEM protective coatings Untreated and uncoated exterior and interior surfaces mean premature corrosion along with sharply decreased durability greater susceptibility to cracking and possible brake valve failure Hard or stiff O rings may lead to premature wear and may result in air leaks shorter component life and substantially poorer performance 7 out of 8 O rings in the valve were 50 O Ring Quality stiffer than Bendix specifications allow Your air brake system is not the place to cut corners Inferior design or materials can and frequently do affect the performance ATT durability and long term reliability of your braking system Protect o BENG o your vehicle by using only genuine Bendix parts Talk to your Bendix Account Manager call 1 800 AIR BRAKE 1 800 247 2725 or visit www bendix com today Bendix us BW2627
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