KNF NF 25 DC-M, Инструкции по эксплуатации и монтажу

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Diaphragm liquid pump NF 25, NFB 25 Technical data
KNF Flodos AG BA_NF25_NFB25_EN_07_159615
Translated from the Original Operating and Installation Instructions
6
4. Technical data
Pump materials
The pump type KP stands for:
Assembly Material
1)
Pump head* PP
Valve plate / seals EPDM
Diaphragm EPDM
Resonating diaphragm EPDM
Tab. 2
1)
according to DIN ISO 1629 and 1043.1
The pump type KT stands for:
Assembly Material
1)
Pump head* PP
Valve plate / seals FFKM
Diaphragm PTFE-coated
Resonating diaphragm FFKM
Tab. 3
1)
according to DIN ISO 1629 and 1043.1
The pump type TT stands for:
Assembly Material
1)
Pump head* PVDF
Valve plate / seals FFKM
Diaphragm PTFE-coated
Resonating diaphragm FFKM
Tab. 4
1)
according to DIN ISO 1629 and 1043.1
* The pump head (Fig. 1) comprises a connecting plate and an intermedi-
ate plate.
Hydraulic ratings
Parameter Value
Flow rate NF 25 DC-M and DCB [ml/min]
1), 2)
250
Flow rate NF 25 DCB-4 [ml/min]
1), 2)
25-250
Flow rate NFB 25 DCB-4B [ml/min]
1), 2)
2x 50-300
Flow rate NFB 25 DCB-B [ml/min]
1), 2)
2x 300
Permissible pressure [bar g] 1
Suction head [mWG] 3
Tab. 5
1)
Measured with water and using KNF standardised test equipement at
atmospheric pressure, KP pump head material
2)
Flow rates may vary from the values shown, depending on fluid viscosi-
ty, ambient temperature, pump head material and the hoses / hose con-
nectors used.
Hydraulic connections
Parameter Value
Recommended hose size ID [mm] 4
Tab. 6