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ADVANTAGE |
 Custom engine valve sizing to
your exact specifications
Chrome plated engine valve stems resulting in less guide wear
Better engine valve stem-to-guide concentricity and clearance than most OEMs
Standardized engine valve stem sizes SIGNIFICANTLY reduce head remanufacturing
time
During each step of our remanufacturing process, your engine valves are being
continually inspected, measured, gauged and otherwise qualified using the
best possible gauging and measuring equipment, including digital and laser
micrometers, optical comparators, digital profilometers and hardness testers as
well as eddy current and ultrasonic flaw detectors.
The next time you order new engine valves from an OEM, ask them for the
specifics on their manufacturing processes and the tolerances that they
maintain. Then ask them to provide you with something outside the norm for the
same price. That's another
CalValves Advantage.
Online Engine Valve Catalog:
Browse our
catalog online
or download a copy. We add new part numbers regularly. We have
approximately 260 different part numbers in our catalog, and another 250 part
numbers that are not listed because they are made for specific customers to
their proprietary specifications. Most of the non-listed engine valves are for
John Deere, Caterpillar, Cummins, EMD and New Holland engines. If you don't see
a part number that you're looking for, just give us a call.
Effect of
Coolant Use on Engine Valve Guide Diameter During Reaming
The
majority of the engine remanufacturing industry agrees that
benefits are to be had from wet reaming, but little information
exists showing, systematically, the specific benefits of using
coolant to aid in valve guide reaming. To achieve highly
accurate and consistent diameters with a reamer, one must
consider process variables that can influence the overall
quality of the reamed guide. Variables such as, reamer material
or design, valve guide material, temperature at the reamed
surface, drill speed, operator movement, etc. must be addressed.
View the
wet reaming study.
Recovered Materials Advisory
Notice IV:
Section B-4 of the RMAN IV
specifies, ”that procuring agencies whose vehicles (passenger
vehicles as well as medium- and heavy-duty equipment, including trucks, cranes,
off-road vehicles, and military vehicles) are serviced by a motor pool or
vehicle maintenance facility establish a service contract to require the use of
rebuilt vehicular parts in the agencies’ vehicles or establish a program for
vehicular parts rebuilding and reuse consisting of either recovering a used
vehicular part and rebuilding it, replacing it with a rebuilt part, or
contracting to have the part replaced with a rebuilt part. This designation
applies to vehicles served by both on-site and commercial facilities.”
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