stokes edwards rotary piston vacuum pump rebuild

Rotary Piston Vacuum Pump Rebuild Services

2 Year Warranty: All ADVACO pump rebuilds are covered by our exclusive two year warranty, from the date of installation, against defects in parts and workmanship.

ADVACO offers complete re-manufacturing services for Stokes (Edwards), Kinney and Leybold rotary-piston vacuum pumps.

With nearly half a century of experience servicing rotary piston vacuum pumps, we understand the environments these pumps are exposed to and the performance demands placed upon them. ADVACO has perfected several re-manufacturing techniques for the rotary piston vacuum pump that restore critical tolerances while at the same time dramatically reducing the overall rebuild price.

What's Included In ADVACO's Vacuum Pump Rebuild and Services

  • Two Year Warranty:
    The best in the industry — parts and labor guaranteed two full years from the time your pump is installed at your facility, against defects in parts and workmanship.
  • Comprehensive Documentation:
    The entire service history is documented and archived for future retrieval, report generation or data/trend analysis.
  • Detailed Failure Analysis Options: ADVACO offers multiple failure analysis options to meet your budgetary and data collection requirements.
  • Factory Trained Technicians:
    Our technicians are factory trained to ensure your rebuild project maintains high reliability and durability.
  • ISO9001:2015 Registered:
    ADVACO's quality system is ISO9001:2015 registered.
  • Computerized Testing:
    Calibrated test equipment and components are utilized to verify and record all official operating parameters, and the output is provided with each shipment.
  • Environmental Compliance: Registration with EPA #MDD985419076. ADVACO adheres to proper disposal methods to ensure the safety of our environment.
  • Fast Turnaround:
    ADVACO will meet your schedule and delivery requirements.
  • Proactive Uptime Program
    Customer specific programs can be designed to maximize pump life.
  • Priority Services: Expedited service available upon request.
  • Pick-Up & Delivery Available:
    Available everywhere - we can coordinate the transport of your equipment to and from your facility.
  • In-house Machine Shop:
    Enables us to remanufacture major parts to reduce cost and maintain serviceability

ADVACO's Vacuum Pump Rebuild and Service Process

Disassembly and Cleaning

Via state-of-the-art, EPA compliant systems


The standard rebuild of a piston pump will include the replacement of o-rings, gaskets, seals, freeze plugs, keys, valve springs, valve clappers, valve seats, bearings, sight glass, oil flow indicator, ball valves, solenoid valve, and a rebuilt oil separator.

Inspection and Quotation

Certified Vacuum Technicians utilizing specially designed and calibrated instruments will thoroughly inspect all of the unit’s components (including electrical and diagnostic systems) vs original OEM specifications.

All consumable items quoted for replacement.

Major components that do not meet original OEM specifications are quoted for replacement or re-manufacturing in our in-house machine shop (at considerable cost savings).

In-House Machine Shop Service

Re-manufacturing of major components vs. replacement with new.

  • Demonstrated ability to over-size the hinge bar bore in custom increments up to 0.750” oversize – maximizing pump’s effective life.
  • Custom hinge bar manufacturing to fit new bore dimension
  • Re-manufacturing of pistons and eccentrics

Testing and Quality Control

  • Extensive post re-manufacturing testing via proprietary software/hardware generating graphical data certifying both ultimate vacuum and pumping speed.
  • Applicable equipment software verified and re-set (run hours, etc.).
  • Inboard and Outboard Helium Leak Testing

Rotary Piston Vacuum Pumps We Rebuild

Search through our vacuum pump rebuild and repair table to find your model pump.

Manufacturer Series  Pump Model
Leybold E E75, E150, E250
Leybold DK DK100, DK200
Stokes -- 149H-11, 148H-10, 149, 212H-10, 412, 612, 912, C300, 146H-13, 212H-11, 212J, 212J-14, 412H-10, 412H-11, 412H-33, 412J-14, 612-30
Kinney -- KC15, KC5, KC8, KDH130, KT505LP, KT850C/D, KTC112, KTC21, KVAC-10, KVAC-15, KVAC-2, KVAC-21, KVAC-33, KVAC-5, KVAC-63
Manufacturer Series  Pump Model

Request Information

We offer expert rebuilds, remanufactured units, and technical assistance for your vacuum pumps. Select an option below or call us at (800) 272-2525 so our team can help you as quickly as possible.