KRT - Submersible Waste Water Pump

Vertical, single-stage submersible motor pump in close-coupled design, various impeller types, for wet or dry installation, stationary and transportable version.
Design
Vertical, single-stage submersible motor pump in close-coupled design, various impeller types, for wet or dry installation, stationary and transportable version. Design to ATEX.
Applications
Handling of all types of abrasive or aggressive waste water in water and waste water engineering as well as industry, especially untreated sewage containing long fibres and solid substances, fluids containing gas / air, as well as raw, activated and digested sludge; sea water desalination.
Overview of technical data
Type of bearing |
Rolling element bearings |
Casing partition |
Radially split |
Cutter |
Yes |
Drive frequency |
50 Hz / 60 Hz |
Type of drive |
Electric motor |
Drive voltage |
Low voltage |
Connection to power supply |
< 690 V, 3~ |
Explosion protection |
ATEX II 2 G T3; ATEX II 2 G T4 |
Impeller material (EN standard) |
JN 3029; JL 1040;1.4517 |
Type of installation |
Close- coupled |
Type of coupling |
None |
Type of lubrication |
Oil lubrication |
Max. permissible fluid temperature |
140 °F |
Nozzle position |
End suction |
Maximum rated pressure (discharge) |
PN 16 |
Pump set location |
Wet well |
Shaft material (EN standard) |
C45+ N;1.4021 |
Suction characteristics |
Non- priming |
Type of casing |
Volute casing |
Type of impeller |
Open; Single-vane impeller;Free flow impeller;Closed;Multi-vaneimpeller;Diagonal;Radial |
Type of connection |
Flange |
Casing material (EN standard) |
JL 1040 |
eClass assignment |
36410101; 36410103 |
Free passage |
240 mm |
Maximum head |
328, 08 ft |
Minimum head |
3, 28 ft |
Installation position |
Vertical |
Shaft seal type |
Mechanical seal |
Main applications |
Energy; Water;Industry and process engineering;Mining / Dredges;Waste water / sewage;Building services |
Casing material |
Cast iron |
Maximum discharge-side pressure |
145. 0 psi |
Maximum drive rating |
938. 72 hp |
Type of installation |
Stationary; Transportable |
Maximum flow rate |
10. 000 m³/h |
Minimum flow rate |
0, 60 m³/h |
Maximum speed of rotation |
4 rpm |