SPU Circulation pump

SPU Circulation pump

SPU Circulation pump

SPU Circulation pump

Features

The SPU circulating pump (shown: SPU5000) is used for circulating buffer/barrier fluid in seal supply systems (to increase the cooling capacity). The SPU is suitable for water and other liquids of similarly low viscosity. The SPU is available in 5 basic versions:
SPU1010: without explosion protection
SPU2040: with mechanical seal, with magnetic coupling as an option, ATEX conform
SPU2063: with mechanical seal, with magnetic coupling as an option, ATEX conform
SPU4040: with magnetic coupling, ATEX conform
SPU5000: sealless pump, ATEX conform

Advantages

  • SPU4040, SPU5000: sealless pump, hermetically sealed and maintenance-free
  • SPU2040, SPU2063 and SPU5000 ATEX conform



Product variants

Designation SPU1010/M001-00 SPU2040/A006-00 SPU2040/A097-D0 SPU2063/A001-00 SPU4040/A002-D0 SPU5000-D0
Type of seal Sealless Mechanical seal Magnetic coupling Mechanical seal Magnetic coupling Magnetic coupling
Max. allowable viscosity (mm²/s)* 10 100 100 100 100 15
Max. working pressure 10 bar (145 PSI) 40 bar (580 PSI) 40 bar (580 PSI) 63 bar (914 PSI) 40 bar (580 PSI) 40 bar (580 PSI)
Max. working temperature 110 °C (230 °F) 150 °C (302 °F) 200 °C (392 °F) 150 °C (302 °F) 150 °C (302 °F) 100 °C (212 °F)
Ingress of protection IP 42 IP 55 IP 65 IP 54 IP 55 IP 65
Explosion protection
Category II 2 G II 2 G II 2 G II 2 G II 2 G
Type of protection e de e e d
Temperature class T1-T3 T1-T4 T1-T3 T1-T3 T1-T4
Supply voltage 400 V / 50 Hz 400 V / 50 Hz 400 V / 50 Hz 400 V / 50 Hz 230 V / 400 V / 50 Hz 400 V / 50 Hz
Power consumption (W) 75 250 250 370 550 120
Weight 2.1 kg (4.6 lb) 8 kg (17.6 lb) 8 kg (17.6 lb) 10 kg (22 lb) 10.3 kg (23 lb) 8 kg (17.6 lb)
Material 1.4301 1.4571 / Viton® 1.4571 / FEP 1.4571 / Viton® 1.4581 / Graphite 1.4401 / 1.4462 /
1.4571 / Viton® /
T2 / IGLIDUR H370

Circulation units with higher performance characteristics or for other media or viscosities on request.
* Considering the respective working point


SPU1010
SPU4040

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The ideal field of application are closed high pressure circuits in process hydraulic systems.
For this purpose the eSPU6 is a real and inexpensive alternative to glandless centrifugal pumps. The eSPU6 pumps are not self-priming, which means that the pump circuit must be well vented.
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