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The 4000 series rotary vane pumps, available in 7 different displacements, are the latest edition of Rotoflow high technology volumetric pumps.
The pump housing, the rotor and every metallic component are in AISI 303 stainless. AISI 316 is also available.
The pumping chamber and the vanes are in high impact carbon graphite. The self-lubricating property of polished stainless steel and carbon graphite makes this pump well suited for water and water based solutions.
Inlet / outlet ports are 1" NPT female threaded (1" GAS available upon request). All models are available with NBR or Viton seals.
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Main applications:
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Operating parameters:
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Technical Data:

Performance Data:
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2 bar |
6 bar |
10 bar |
14 bar |
18 bar |
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Model |
Flow (l/h) |
Flow (l/h) |
Flow (l/h) |
Flow (l/h) |
Flow (l/h) |
Figure |
PO4010 |
1114 |
1095 |
1076 |
1057 |
1038 |
A-A' |
PO4020 |
1320 |
1301 |
1282 |
1263 |
1244 |
B-B' |
PO4040 |
1526 |
1507 |
1488 |
1469 |
1450 |
C-C' |
PO4060 |
1732 |
1713 |
1694 |
1675 |
1656 |
D-D' |
PO4080 |
1938 |
1919 |
1900 |
1881 |
1862 |
E-E' |
PO4100 |
2144 |
2125 |
2106 |
2087 |
2068 |
F-F' |
PO4120 |
2350 |
2331 |
2312 |
2293 |
2274 |
G-G' |
Note: Characteristics at constant motor speed with water at 20°C. Figures of flow are averages. Pump weight 5.3kg.
For applications involving other fluids, high temperatures or unusual processing conditions, please contact us.