| Features |
QF-1000 S Type |
QF-1200 S Type |
Benefits |
| Discharge flow rate |
max. 1000 l/h |
max. 1200 l/h |
plus 20% |
| Discharge pressure |
max. 6 bar |
max. 8 bar |
plus 30% |
Sealing of the
diaphragm |
with 4 pistons |
4-fold diaphragm-
pistons are molded in the Santoprene |
increased safety -
easier to clean -
higher thermal
resistence |
| Valve plate |
Polypropylene |
Stainless steel 1.4435 |
Higher thermal resistance -
multiple use |
| Outlet valve |
fixed with PP Clip |
Stainless steel insert
completely molded in
the EPDM |
easier to clean -
strong defined position
more robust
|
Changing of
diaphragm valves |
Demounting of
the pump needed |
Just pull out the pump chamber |
Ring drive does not need to be
dismounted- Change out easier |
| Pump chamber |
connected with eccentric shaft |
pump chamber is simply clicked on
the ring drive |
Ring drive does not need to be
dismounted- Change out easier |
| Pump chamber stainless steel |
yes |
yes |
for continous and multiple use |
| Pump chamber Single-Use |
not available |
yes |
Change of the pump chambers is very
easy |
| "Inline" steam sterilizable |
limited |
yes |
more applications possible |
| Autoclaving |
limited |
yes |
more applications possible |
| Connecting ports |
welded |
"sanitary" o-ring
version |
no weldings -
easy to change -
flexible |
| Motor unit |
misc |
each drive can be used for the
Quattroflow-1200 S |
Easy upgrade possible at any time |
| Spare parts |
all available |
Valve plate does not need to be
changed because of stainless steel |
Less parts to change |
Option:
Frequency inverter |
Siemens
Micromaster |
Lenze AC-Tech
Vectordrive |
230 / 115 Volt higher torque at low
end - more flexibility |
