Edwards Diffstak 63/150C - SERVICE

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Diffusion High Vaccum Pumps Expert Technicians

Our Edwards diffusion pump rebuilds come with a one year parts and labor warranty. All diffusion pumps are completely torn down, cleaned and inspected.

  • Washing and bead blasting of the internal parts and body.
  • Waterflow check of the cooling lines after descaling and flushing.
  • Helium leak check of the body.
  • Heater elements are replaced with the customers specified voltage.
  • Thermal switch and plug are replaced.
  • Pump exterior is refinished.

One year warranty service on all Edwards diffusion pump models.

Exceptional customer service and engineering support. Fast turnarounds. Low prices.

PTB Sales is the national leader in Edwards diffusion pumps.

Our state of the art 27,853 sq. ft. remanufacturing facility conforms to ISO 9001 quality standards, and is supported by an engineering team with over 90 years combined experience in vacuum technology. Our pump technicians, led by a factory-trained mechanic, have over 100 years combined experience.

Look no further. Let PTB Sales support your success.

Image Legend

1. High-vacuum isolation valve
2. Inlet-flange
3. Roughing connection
4. Gauge connection (NW10)
5. Retainer strap
6. 2nd-stage jet assembly
7. Tie-rod
8. Backing connection
9. Backing condenser
10. Pump-ready switch mounting plate
11. Backing spout
12. Ejector jet
13. Terminal-box
14. Terminal-block
15. Electrical cables
16. Heater assembly
17. Spacer
18. Heater
19. Pump-boiler
20. Radiation shield
21. Vapour-tube
22. 3rd-stage jet assembly
23. Pump-body
24. Water-cooling coil
25. Top-jet assembly
26. Baffle-cap
27. Fluid filler and dipstick assembly
28. Fluid drain

Request an RMA Return Material Authorization

Procedures for shipping used equipment to PTB Sales:

  • Seal off the exhaust and inlet of the pump.
  • Attach our pump declaration form to the equipment to declare what contaminants the equipment has been exposed to.

There is a $300 Evaluation Fee. This gets applied to the cost of repair.

Questions? Please call our toll free number at 866-332-0500 or send an e-mail to our sales team!