KNF NF 1.25 DC, Operating And Installation Instructions

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Diaphragm liquid pump NF 1.25 Technical data
KNF Flodos AG BA_NF1.25_EN_03_163242
Translation of Original Operating and Installation Instructions, English
6
4. Technical data
Pump materials
The pump type RP stands for:
Assembly Material
1)
Pump head* PPS
Anchor valves / seals EPDM
Diaphragm EPDM
Resonating diaphragm EPDM
Tab. 2 1) according to DIN ISO 1629 and 1043.1
* Pump head (Fig. 1) comprises an intermediate plate and a connecting
plate
The pump type RT stands for:
Assembly Material
1)
Pump head* PPS
Anchor valves / seals FFKM
Diaphragm PTFE-coated
Resonating diaphragm FFKM
Tab. 3 1) according to DIN ISO 1629 and 1043.1
* Pump head (Fig. 1) comprises an intermediate plate and a connecting
plate
Hydraulic ratings
Parameter Value
Flow rate DC [ml/min]
1), 2)

300
Flow rate DCB-B [ml/min]
1), 2)

300
Flow rate DCB-4B [ml/min]
1), 2)

50-300
Permissible pressure [bar g] 6
Permissible pressure (with restricted oper-
ating time) [bar g] 10
Suction head [mWG] 3
Tab. 4
1) Measured with water at 20°C / at atmospheric pressure
2) Flow rates may vary from the values shown, depending on fluid viscosi-
ty, pump head material and the hoses / hose connectors used.
Hydraulic connections
Parameter Value
Hose connection NF1.25 ID / OD [mm] 4 / 6
Hose connection UNF1.25 ID / OD [Inch] 1/8" / 1/4"
Tab. 5