The technicians in our Valve Shop are fully trained and capable of re-building or repairing nearly all OEM compressor valves in today’s petrochemical industry. Mark’s carries a wide variety of parts for nearly all of the OEM compressor valves in use today. Our Valve Shop is available 24 hours a day if and when it is needed. As a direct result, our turnaround time for valve repairs is brief. We also offer valve repair and rebuild kits, so that when you need them, we have them. The Valve Department in Mark’s Machine is also the home of the MPV® brand of compressor valves. The Maximum Performance Valves came to be as a result of years of compressor valve repairs and are available exclusively from Mark’s Machine.