KNF NMP 850 Datasheet
NMP 850 HP SERIES
MICRO DIAPHRAGM GAS PUMPS
NMP 850.1.2 KPDC-B HPNMP 850 KPDC-B HP
ADVANTAGES
• Uncontaminated ow
• Customizing available
• Maintenance-free
• Long product life
• High pneumatic performance
• Compact size/high power density
• Can operate in any
installed position
• High condensate resistance
• FDA approved wetted material
• ONE pump for vacuum
and pressure application
• < 50 mbar abs
2 head serial
• Customized single
head pump up
to 9 l/min
Please visit our website
www.knf.com
to get more information
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POSSIBLE AREAS
OF USE
• Medical
• Reprographic
• Environment
• Security
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• Food
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PERFORMANCE DATA
Series model NMP 850HP NMP 850.1.2 HP
Material design KPDC-B KPDC-B4 KPDC-B KPDC-B4 KVDC-B KVDC-B4
Pump head PPS PPS PPS
Diaphragm EPDM (FKM and PTFE
on request)
Valves EPDM (FKM and FFKM
on request)
Flow rate at atm. pressure (l/min) 7 7 15 16 15 16 14 15 14 15
Ultimate vacuum (mbar abs.) 220 220 220 220 220 220
Ultimate pressure (bar g) 2.2 2.2 2.2 2.2 2.2 2.2
Permissible media and ambient temperature 5º C to 40º C / 41º F to 104º F (-20º C to 60º C / -4º F to 140º F on request)
Weight (g/ oz) 190/6.7 190/6.7 380/13.4 380/13.4 380/13.4 380/13.4
EPDM (PTFE on request) FKM
EPDM (FFKM on request) FKM
ELECTRICAL DATA
Voltage (V) 12 24 12 24 12 24 12 24 12 24 12 24
Motor Brushless
(A)
I
max
DC, 2 wire
1. 1 0.62 1. 1 0.62 2.4 1. 3 2.4 1. 3 2.6 1. 5 2.6 1. 5
Brushless
DC, 4 wire
Brushless
DC, 2 wire
Brushless
DC, 4 wire
Brushless
DC, 2 wire
Brushless
DC, 4 wire
NMP 850 KPDC-B HP NMP 850 KPDC-B4 HP
Flow rate [l/min]
5V
5V
5V
PERFORMANCE DATA
Series model Flow rate
at atm.
pressure
(l/min)
NMP 850 KPDC-B HP 12V 7 2.2
NMP 850 KPDC-B HP 24V 7 2.2
Max.
operating
pressure
(bar g)
NMP 850 KPDC-B HP
Ultimate
vacuum
(mbar abs.)
220
220
PERFORMANCE DATA
Series model Flow rate
NMP 850 KPDC-B4 HP 12V 7 2.2
NMP 850 KPDC-B4 HP 24V 7 2.2
NMP 850 KPDC-B4 HP
Dimensions in mm Dimensions in mm
NMP 850 KPDC-B HP 12V
[inHg] Pressure [PSIG]
29 19 9
8.0
7.0
6.0
5.0
4.0
3.0
Flow rate [l/min]
2.0
1.0
0.0
-1.00 -0.50 0.00
0 5 10 15 20 25 30 35
0.00 0.50 1.00 1.50 2.00 2.50
Pressure [bar g]
Flow intermittent only Current
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
Current draw [A]
NMP 850 KPDC-B4 HP 12V
29 19 9
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.00 -0.50 0.00
Flow 12V, 2.5-5VCTRL intermittent only Current 12V, 2.5-5VCTRL
at atm.
pressure
(l/min)
[inHg] Pressure [PSIG]
0 5 10 15 20 25 30 35
2.5V
2.5V
0.00 0.50 1.00 1.50 2.00 2.50
Pressure [bar g]
operating
pressure
(bar g)
Max.
Ultimate
vacuum
(mbar abs.)
220
220
1.20
1.05
0.90
0.75
0.60
0.45
Current draw [A]
0.30
0.15
0.00
NMP 850 KPDC-B HP 24V
[inHg] Pressur e [PSIG]
29 19 9
8.0
7.0
6.0
5.0
4.0
3.0
Flow rate [l/min]
2.0
1.0
0.0
-1.00 -0.50 0.00
0 5 10 15 20 25 30 35
0.00 0. 50 1.00 1.50 2.00 2.50
Pressure [bar g]
Flow intermittent only Current
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
Current draw [A]
NMP 850 KPDC-B4 HP 24V
[inHg] Pressure [PSIG]
29 19 9
8.0
7.0
6.0
5.0
4.0
3.0
Flow rate [l/min]
2.0
1.0
0.0
-1.00 -0.50 0.00
Flow 12V, 2.5-5VCTRL intermittent only Current 12V, 2.5-5VCTRL
0 5 10 15 20 25 30 35
2.5V
2.5V
0.00 0.50 1.00 1.50 2.00 2.50
Pressure [bar g]
0.80
5V
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
Current draw [A]
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