![](https://www.ezzivision.com.au/wp-content/uploads/2022/05/Diffstak-Pumps.png)
The Edwards Diffstak vapour diffusion pumps are compact, water-cooled pumps with integral cooled baffles which provide exceptionally clean pumping. The proven design ensures very low backstreaming, reduced outgassing and minimized sealing requirements. These pumps are offered with integral manual or pneumatic high vacuum valves.
Standard Diffstak 63/150M Vapour Pump
Diffstak 63/150M, 110-125V, 1-ph, 50/60Hz
B34431976
Diffstak 63/150M, 210-225V, 1-ph, 50/60Hz
B34431977
Diffstak 63/150M, 230-250V, 1-ph, 50/60Hz
B34431978
Standard Diffstak 63/150P Vapour Pumpp
Diffstak 63/150P, 110-125V, 1-ph, 50/60Hz
B34432976
Diffstak 63/150P, 210-225V, 1-ph, 50/60Hz
B34432977
Diffstak 63/150P, 230-250V, 1-ph, 50/60Hz
B34432978
Unvalved Diffstak 63/150C Vapour Pump
Diffstak 63/150C, 110-125V, 1-ph, 50/60Hz
B34433976
Diffstak 63/150C, 210-225V, 1-ph, 50/60Hz
B34433977
Diffstak 63/150C, 230-250V, 1-ph, 50/60Hz
B34433978
Standard Diffstak 100/300M Vapour Pump
Diffstak 100/300M, 110-125V, 1-ph, 50/60Hz
B34631976
Diffstak 100/300M, 210-225V, 1-ph, 50/60Hz
B34631977
Diffstak 100/300M, 230-250V, 1-ph, 50/60Hz
B34631978
Standard Diffstak 100/300P Vapour Pump
Diffstak 100/300P, 210-225V, 1-ph, 50/60Hz
B34632977
Diffstak 100/300P, 230-250V, 1-ph, 50/60Hz
B34632978
Diffstak 100/300P, 110-125V, 1-ph, 50/60Hz
B34632976
Unvalved Diffstak 100/300C Vapour Pump
Diffstak 100/300C, 110-125V, 1-ph, 50/60Hz
B34633976
Diffstak 100/300C, 210-225V, 1-ph, 50/60Hz
B34633977
Diffstak 100/300C, 230-250V, 1-ph, 50/60Hz
B34633978
Unvalved Diffstak 100/300F Vapour Pump
Diffstak 100/300F, 230-250V, 1-ph, 50/60Hz
B34640978
Diffstak 100/300F, 110-125V, 1-ph, 50/60Hz
B34640976
Diffstak 100/300F, 210-225V, 1-ph, 50/60Hz
B34640977
Unvalved Diffstak 160/700C Vapour Pump
Diffstak 160/700C, 230-250 V, 1Ø, 50/60 Hz
B34833978
Diffstak 160/700C, 210-225 V, 1Ø, 50/60 Hz
B34833977
Diffstak 160/700C, 110-125 V, 1Ø, 50/60 Hz
B34833976
Unvalved Diffstak 160/700F Vapour Pump
Diffstak 160/700F, 110-125 V, 1Ø, 50/60 Hz
B34840976
Diffstak 160/700F, 210-225 V, 1Ø, 50/60 Hz
B34840977
Diffstak 160/700F, 230-250 V, 1Ø, 50/60 Hz
B34840978
Standard Diffstak 250/2000M Vapour Pump
Diffstak 250/2000M, 110-125 V, 1Ø, 50/60 Hz
B35031976
Diffstak 250/2000M, 210-230 V, 1Ø, 50/60 Hz
B35031977
Diffstak 250/2000M, 230-250 V, 1Ø, 50/60 Hz
B35031978
Standard Diffstak 250/2000P Vapour Pump
Diffstak 250/2000P, 110-125 V, 1Ø, 50/60 Hz
B35032976
Diffstak 250/2000P, 210-225 V, 1Ø, 50/60 Hz
B35032977
Diffstak 250/2000P, 230-250 V, 1Ø, 50/60 Hz
B35032978
Unvalved Diffstak 250/2000C Vapour Pump
Diffstak 250/2000C, 110-125 V, 1Ø, 50/60 Hz
B35033976
Unvalved Diffstak 250/2000C Vapor Pump, 210-225 V, 1Ø, 50/60 Hz
B35033977
Standard Diffstak 160/700M Vapour Pump
Diffstak 160/700M, 110-125V, 1-ph, 50/60Hz
B34831976
Diffstak 160/700M, 210-225V, 1-ph, 50/60Hz
B34831977
Diffstak 160/700M, 230-250V, 1-ph, 50/60Hz
B34831978
Standard Diffstak 160/700P Vapour Pump
Diffstak 160/700P, 110-125V, 1-ph, 50/60Hz
B34832976
Diffstak 160/700P, 230-250 V, 1Ø, 50/60 Hz
B34832978
Diffstak 160/700P, 210-225 V, 1Ø, 50/60 Hz
B34832977