Dry Pump

05/01/1997

Dry pump

The UniDry pump, in conjunction with the TMH/U series turbomolecular drag pumps, provides hydrocarbon-free high vacuum with gas flows of up to 1500 l/s; and combined with the Roots pump, it can achieve pumping speeds up to 590 cfm. The UniDry is a three-stage, valveless dry pump that uses an innovative compressing principle for maximum uptime. The integral temperature-management system prevents damaging moisture condensation. Model DBP 050S has a volume flow rate of 35 cfm, with an ultimate vacuum of 0.3 torr, and can be controlled locally or remotely via an RS 232 interface from the host system. Pfeiffer Vacuum Technology Inc., Hudson, NH; ph 603/595-3200, fax 603/595-3250, URL http://www.pfeiffer-vacuum.com.