Edwards EXT70/70/200H pumps are designed to be operated with Edwards EXDC 24V Controllers.
Edwards EXT B756-50-991 24 Volt is split flow compound turbomolecular pumps are mainly designed for instrument installation.
Edwards recomends to use EXT 70/70/200H model with RV Backing Pump, this model is also suitable to operate with diaphragm pump. Please refer to operation manual for specifications.
A&J Vacuum also repair / rebuild and service Edwards EXT 70/70/200H turbo Pumps as well as all other Edwards EXT line turbo pump repairs. We also service Edwards Vacuum Rotary Vane pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854