MultiFree 25/4 CW1, Ex
JP09656Mechanical data | |
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Pump | Vertical single-stage |
Ex-proof | With ex-proof |
Free passage | 100 mm |
Bearing | Ball bearings, grease-lubricated |
Seal on motor side | Duplex shaft seal, from 55/: mechanical seal |
Oil chamber | Yes |
Seal on medium side | SiC mechanical seal |
Run dry protection | Yes |
Impeller | Vortex impeller, spheroidal graphite iron |
Motor housing | Grey cast iron |
Pump housing | Grey cast iron |
Submersible | Yes |
Pressure outlet | DN 100 |
Weight | 49 kg |
Electrical data | |
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Voltage | 3/PE~400 V |
Motor rating P1 | 2.8 kW |
Motor rating P2 | 2.04 kW |
Current | 4.7 A |
Power line | 10m H07RN-F |
Wires | 6G1,5 |
Type of enclosure | IP 68 |
Winding thermostat | Yes |
Fuse | 10 A |
S3 | 20 % |

Performance | |||||||
---|---|---|---|---|---|---|---|
Delivery head H [m] | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Flow rate Q [m³/h] | 70 | 59 | 50 | 41 | 32 | 23 | 11 |
Specifications can be changed without notice. Performance subject to ISO 9906 tolerances.
The minimum flow rate in the pressure pipe of v = 0,7 m/s is marked in the Q-H-diagram (operative limit).
Dimensions guide rail system

Dimensions pump base

Discharge outlet

Minimum flushing tube head (m)

Mounting arrangement with guide rail system | |
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GR | 100 |
DN | 100 |
A | 565 mm |
B | 540 mm |
C | 140 mm |
D | 140 mm |
E | 520 mm |
F | 760 mm |
G | 390 mm |
H | 120 mm |
J | 270 mm |
K | 110 mm |
L | 55 mm |
M | 82 mm |
N | 1" |
O | 310 mm |
P | 175 mm |
Q | 150 mm |
Mounting arrangement with base | |
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DN | 100 |
A | 590 mm |
B | 390 mm |
C | 140 mm |
D | 140 mm |
E | 220 mm |
F | 290 mm |
G | 230 mm |
K | 180 mm |
L | 18 mm |
N | 8 |
Z [m] | 4 mm |
Example of installation guide rail system

Additional requirements, see technical data control units
Mechanical accessory | ||||||
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Code No. | ||||||
Chain | ||||||
certified, 2.5 m, 320 kg, 5 rings (EN 818 mod.) | JP45901 | |||||
certified, 5.0 m, 320 kg, 8 rings (EN 818 mod.) | JP45902 | |||||
certified, 7.5 m, 320 kg, 11 rings (EN 818 mod.) | JP47365 | |||||
Shackle, certified, 630 kg, stainless steel | JP45904 | |||||
Pump hanging (08 Ex - 100...) | JP45925 | |||||
Guide rail system | ||||||
GR 100 | DN 100, 200x254x310 (AxBxH) | JP00496 | ||||
Swing-type check valve | ||||||
R 101 EN 12050-4 | DN 100, PN 4, flange PN 10, EN 558, 300 (H) | JP00325 | ||||
R 100 G EN 12050-4 | DN 100, PN 4, flange PN 10, EN 558, with counter weight, 300(H) | JP00324 | ||||
Sluice valve | ||||||
DN 100, PN 10, EN 1171 | 345x190 (HxB) | JP00329 | ||||
Elastic connection | ||||||
+ Clamps, 2“ DN 100, PN 4 | 200x110 (HxD) | JP50905 | ||||
+ Clamps ,2“ DN 100, PN 4 | 200x114 (HxD) | JP50906 | ||||
Flanged Y-pipe | ||||||
DN 100/100/100 | 355x480(HxB), PN 10 | JP00203 | ||||
Pump base | ||||||
C 220, for CW1 | 145x330 (HxB) | JP11453 | ||||
Flanged connection | ||||||
C 100 (similar Q-piece 90°), DN 100 PN10/PN6 | 175x120 (HxB) | JP00579 | ||||
Flushing tube | ||||||
Type I | 10/... - 45/... | JP28221 |