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Pumps & Compressors

Medo pumps are unique products that feature a patented linear-motor-driven free piston system. Utilised in varied applications, from life support systems to robotics, Nitto Kohki has developed a comprehensive series of precision air compressors and vacuum pumps that incorporate this uniquely functional design. Proven throughout the world for over two decades, we are proud to have been selected by many leading companies in advanced industries as their primary supplier of air compressor type equipment.

We produce low- and intermediate-pressure compressors, blowers, diaphragm and vacuum pumps to a unique linear-shuttle design that has only a single moving part, making them far more efficient and reliable than traditional pumps. In addition, we also manufacture brushless and brush motor-driven cup-seal pumps.

Our LA series blowers are simple to maintain - please download this video to see how easy it is to change the filter and pistons as an example (11MB)

 
  • Linear Low Pressure AC
  • Linear Intermediate Pressure AC
  • Linear Vacuum AC
  • Linear Air Blower
  • Linear Diaphragm
  • DC Diaphragm
  • Linear Pressure DC
  • Linear Vacuum DC
  • Liquid Bimor
  • Liquid Diaphragm

Nitto Kohki’s unique low pressure “Linear Shuttle” series

AC Linear Low Pressure Pumps

 
= Made to order item
  Model Rated Pressure
mbar (psi)
Max Pressure
mbar (psi)

Rated Airflow
l/min

AC 0102
 
200 {2.84}
400 {5.69}
 
5
AC 0201A
 
100 {1.42}
200 {2.84}
 
20
AC 0301A
 
100 {1.42}
300 {4.27}
 
28
AC 0401A
 
100 {1.42}
350 {4.98}
 
35
AC 0602
 
150 {2.13}
350 {4.98}
 
40
AC 0901
 
100 {1.42}
400 {5.69}
 
80
AC 0902
 
200 {2.84}
450 {6.40}
 
55
AC 0501
 
100 {1.42}
350 {4.98}
 
45

Nitto Kohki’s unique intermediate pressure “Linear Shuttle” series

AC Linear Intermediate Pressure Pumps
  Model Rated Pressure
bar (psi)
Max Pressure
bar (psi)

Rated Airflow
l/min

AC 0105
 
0.5 {7.1}
0.8 {11.4}
 
2.5
AC 0110
 
1.0 {14.2}
1.2 {17.1}
 
0.8
AC 0207
 
0.7 {9.96}
1.0 {14.2}
 
3.5
AC 0410A
 
1.0 {14.2}
1.3 {18.5}
 
5
AC 0610
 
1.0 {14.2}
1.5 {21.3}
 
8
AC 0910
 
1.0 {14.2}
1.5 {21.3}
 
16
AC 0920
 
2.0 {28.4}
3.0 {42.6}
 
8

Nitto Kohki’s unique Vacuum “Linear Shuttle” series

AC Linear Vacuum Pumps
 
  = Made to order item
  Model Maximum Vacuum
mbar (mmHg)

Free Airflow
l/min

VP 0125
 
-333 / {-250}
 
7
VP 0140
 
-533 / {-400}
 
3
VP 0435A
 
-467 / {-350}
 
25
VP 0450
 
-666 / {-500}
 
18
VP 0625
 
-333 / {-250}
 
40
VP 0660
 
-800 / {-600}
 
25
VP 0940
 
-533 / {-400}
 
60
VP 0645
 
-600 / {-450}
 
10
VP 0945
 
-600 / {-450}
 
12
VP 0660x2
 
series
-933 / {-700}
 
25
 
Parallel
-800 / {-600}
 
50

 

LA diaphragm-less “Linear Shuttle” series for aquatics, sewage treatment & odour control

LA Linear Air Blowers
  Model Rated Pressure
mbar (psi)

Max Pressure
mbar (psi)

Rated Airflow
l/min

LA 28B
 
110 {1.56}
200 {2.84}
 
28
LA 45B
 
110 {1.6}5
200 {2.84}
 
45
LA 60B
 
150 {2.13}
200 {2.84}
 
60
LA 80B
 
150 {2.13}
200 {2.84}
 
80
LA 100
 
180 {2.56}
230 {3.40}
 
100
LA120
 
180 {2.56}
230 {3.40}
 
120
LAM 200
 
200 {2.84}
250 {3.60}
 
120

AC Linear Diaphragm low pressure air pumps

Linear Diaphragm Pumps
  Model Maximum Vacuum
mbar (mmHg)

Rated Pressure
mbar (psi)

Maximum Pressure
mbar (psi)

Rated Airflow
l/min

VC 0100
 
-147 {-110}
 
40 {0.57}
160 {2.28}
 
6
VC 0101
 
-187 / {-140}
 
100 {1.42}
180 {2.56}
 
10
VC 0101S
 
-240 / {-180}
 
50 {0.71}
260 {3.7}
 
15
VC 0201
 
-187 / {-140}
 
100 {1.42}
180 {2.56}
 
20
VC 0301
 
-213 / {-160}
 
100 {1.42}
200 {2.84}
 
25
VC 0201B
 
-187 / {-140}
 
100 {1.42}
180 {2.56}
 
20
VC 0301B
 
-213 / {-160}
 
100 {1.42}
200 {2.84}
 
25

A proven range of Diaphragm and piston pumps

DC Diaphragm Pumps
  Model Maximum Vacuum
mbar (mmHg)

Maximum Pressure
bar (psig)

Free Airflow
l/min

DP 0125
 
-333 / {-250}
 
0.3 {4.27}
 
2.5
DP 0140
 
-533 / {-400}
 
0.5 {7.1}
 
4
DP 0102
 
-267 / {-200}
 
0.45 {6.4}
 
5
DP 0102S
 
-267 / {-200}
 
0.45 {6.4}
 
7
DP 0102H-X1
 
-507 /{380}
 
0.8 {11.4}
 
4
DP 0102H-X2
 
-507 /{380}
 
0.8 {11.4}
 
4
DP 0105
 
-666 / {-500}
 
2.5 {35.6}
 
2.8
DPA 0105  
 
2.2 {31.3}
 
2.8
DP 0110
 
-666 / {-500}
 
1.5 {21.3}
 
7.5

New generation with on-board inverter, offering improved performance

DC Linear Low Pressure Pumps
  Model Rated Pressure
mbar (psi)

Maximum Pressure
mbar (psi)

Rated Airflow
l/min

DAH 102-X1
 
200 {2.84}
 
500 {7.11}
 
5
DAH 102-Y1
 
200 {2.84}
 
500 {7.11}
 
5
DAH 105-X1
 
500 {7.11}
 
800 {11.4}
 
2.5
DAH 105-Y1
 
500 {7.11}
 
800 {11.4}
 
2.5

New generation with on-board inverter, offering improved performance

Linear Vacuum DC
  Model Attainable Vacuum
mbar (mmHg)

Free Airflow
l/min

DVH 130-X1
 
-400 / {-300}
 
7
DVH 130-Y1
 
-400 / {-300}
 
7
DVH 145-X1
 
-600 / {-450}
 
3
DVH 145-Y1
 
-600 / {-450}
 
3

The unique BIMOR Piezoelectric Bimorph pump has no moving parts!

Liquid Bimor Pumps
  Model Discharge Pressure
mbar

Flow Rate
ml/min

Self-priming Pressure
mbar

120v AC / 60Hz
BPS-215i
 
150
 
30
 
30
BPS-235G
 
150
 
30
 
15
BPH-214i
 
180
 
350
 
80
BPH-214D
 
180
 
350
 
80
BPH-214E
 
180
 
350
 
80
BPH-214G
 
170
 
350
 
70
BPH-414i
 
350
 
500
 
120
BPH-414D
 
350
 
500
 
120
BPH-414E
 
350
 
500
 
120
BPH-414G
 
320
 
450
 
100
BPH-474G
 
350
 
400
 
100
BPH-474P
 
350
 
400
 
100
BPH-465P
 
350
 
400
 
100
230V AC / 50Hz
BPS-215i
 
100
 
10
 
4
BPS-235G
 
100
 
10
 
4
BPH-214i
 
180
 
220
 
80
BPH-214D
 
180
 
220
 
80
BPH-214E
 
180
 
220
 
80
BPH-214G
 
170
 
220
 
70
BPH-274G
 
350
 
250
 
70
BPH-274P
 
350
 
250
 
70
BPH-265P
 
350
 
250
 
70

The DPE series liquid diaphragm pumps have pulse absorption capabilities

Liquid Diaphragm Pumps
  Model Working Pressure
bar (psi)

Flow Rate
ml/min

Self-priming Pressure
bar (psi)

DPE-100
 
1 {14.5}
 
100
 
0.2 {2.84}
DPE-400
 
3 {43.5}
 
400
 
0.4 {5.69}