Technical data
Diaphragm pump N680 EX
14
Translation of Original Operation and Installation Instruction, english, KNF 325438 02/22
4 Technical data
4.1 Technical data
Pump materials
Assembly
Material
Head plate, intermediate plate
Stainless steel
Diaphragm:
ST design
SP design
PTFE-coated
EPDM
Reed valves
Stainless steel
Valve limiter
Stainless steel
Slotted cap screw
Stainless steel
O-ring
FPM
Conrod plate
Aluminum
Retainer plate
Stainless steel
Connection
Stainless steel
PTFE disk
PTFE
Tab.9
Pneumatic values
Parameter
Value
N680.1.2
Max. permissible operating pres-
sure [bar rel*]
-Continuous operation
3,0
Ultimate vacuum [mbar abs.]
150
Flow rate at atm.
pressure [l/min]**
-50 Hz
220
Tab.10 *Bar rel related to 1013 hPa
**Liters in standard state (1013 hPa, 20 °C)
Pneumatic connections
Pump type
Value
N680.1.2
For hose Ø 18
Tab.11 *Acc. to ISO 228
Connection for water cooling
Pump type
Value
N680.1.2
Hose ID9
Tab.12 *Acc. to ISO 228