These Pfeiffer MVP 020-3AC Membrane Pump, 1.2 m3/hr (0.7 cfm) at 60 Hz has an excellent ultimate pressure of 1.5 Torr. These pumps run extremely quite. The inlet includes a 1 meter foreline hose and G1/4 connector for connection to turbo or other vacuum applications. These pumps include and on/off switch and can operate on dual voltage/dual frequency (voltage selector switch will need to be set for appropriate voltage operation) 1-Phase 90-126/180-254 VAC 50/60 HZ. They are ideally suited for employment as backing pumps for Pfeiffer Vacuum Turbopumps and for integration into compact systems. This pump is a 3-stage diaphragm pump with optimized pumping speed and ultimate pressure. These pumps are used for pumping of dry and noncorrosive gasses.

The inlet and exhaust of these Pfeiffer MVP 020-3 diaphragm pumps are as follow, flange-in G 1/8" elbow union plus enclosed hose, and flange-out G 1/8" plus silencer (1/8 Inch "G" BSPP thread). This thread size is primarily used in Europe and Great Britain. The inlet and exhaust of these Pfeiffer MVP 015-4 diaphragm pumps are as follow, flange-in G 1/8", and flange-out G 1/8" plus silencer (1/8 Inch "G" BSPP thread). This thread size is primarily used in Europe and Great Britain. The adapter is not included, sold separately on this website: P103352, this adapter converts "G" BSPP thread to a KF-16 flange more commonly used in the universal world wide vacuum market.

BSPP = British Standard Pipe Parallel (straight thread) and is often noted with G, for example: G 1/8".

The complete specifications and operating instructions manual can be download in PDF format.