MultiFree 75/2 BW1, Ex
JP46874Mechanical data | |
---|---|
Pump | Vertical single-stage |
Ex-proof | With ex-proof |
Free passage | 80 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 80 |
Weight | 96 kg |
Electrical data | |
---|---|
Voltage | 3/PE~400/690 V |
Motor rating P1 | 8.05 kW |
Motor rating P2 | 6.8 kW |
Current | 9.4 A 7.9 A |
Power line | 10m H07RN-F |
Wires | 10G2,5 |
Type of enclosure | IP 68 |
Winding thermostat | Yes |
Fuse | 20 A |
S3 | 25 % |

Performance | |||||||||
---|---|---|---|---|---|---|---|---|---|
Delivery head H [m] | 9 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
Flow rate Q [m³/h] | 80 | 74 | 65 | 59 | 53 | 46 | 36 | 26 | 12 |
Flow rate Q [l/min] | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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 | |
---|---|
GR | 80 |
DN | 80 |
A | 700 mm |
B | 540 mm |
C | 140 mm |
D | 140 mm |
E | 520 mm |
F | 740 mm |
G | 390 mm |
H | 85 mm |
J | 235 mm |
K | 100 mm |
L | 55 mm |
M | 74 mm |
N | 1" |
O | 280 mm |
P | 165 mm |
Q | 125 mm |
Mounting arrangement with base | |
---|---|
DN | 80 |
A | 780 mm |
B | 410 mm |
C | 140 mm |
D | 140 mm |
E | 195 mm |
F | 260 mm |
G | 200 mm |
K | 160 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 | ||||||
---|---|---|---|---|---|---|
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 80 | DN 80, 170x229x280 (AxBxH) | JP00495 | ||||
Swing-type check valve | ||||||
R 80 EN 12050-4 | DN 80, PN 4, flange PN 10, EN 558, 260 (H) | JP00706 | ||||
R 80 G EN 12050-4 | DN 80, PN 4, flange PN 10, EN 558, with counter weight, 260 (H) | JP00707 | ||||
Ball-type check valve | ||||||
K 80 EN 12050-4 | DN 80, PN 4, flange PN 10, EN 558, 260 (H) | JP49205 | ||||
Sluice valve | ||||||
DN 80, PN 10, EN 1171 | 315x180 (HxB) | JP00639 | ||||
Flanged spigot | ||||||
DN 80 PN 10, F-KS | 75x90 (HxD) | JP00686 | ||||
DN 80/100, PN 10, F-piece | 76x114 (HxD) | JP09821 | ||||
Elastic connection | ||||||
+ Clamps, 2“ DN 80 | 200x90 (HxD) | JP50904 | ||||
Flanged Y-pipe | ||||||
DN 80/100/80 | 355x390(HxB), PN 10 | JP00448 | ||||
DN 80/100/80 | 355x480(HxB), PN 10 | JP00202 | ||||
Pump base | ||||||
B 220, for B2,B3,B4,BW1 | 115x315 (HxB) | JP00684 | ||||
Flanged connection | ||||||
B 80 (similar Q-piece 90°), DN 80 PN10/PN6 | 150x100 (HxB) | JP00578 | ||||
Flushing tube | ||||||
Type II | 55/... - 100/... | JP28222 |