U SERIES · STAINLESS-STEEL SUBMERSIBLE SEWAGE PUMP
U 0.45-5.5 kW 2P Type A-SS sewage pump range
One product family with 14 hydraulic rows, frequency-specific 50/60 Hz performance and 14 exact stainless-steel catalog codes. Matching ALSF/ASF float-switch codes remain outside the page count.
● 0.45-5.5 kW · 14 models · 14 configurations
POWER0.6-7.4HPOUTLET50-80mmMAX FLOW325.8GPMMAX HEAD30m at 60 Hz
Series Overview
Key specifications shared across the U 0.45-5.5 kW 2P Type A-SS series.
Published data specifies IP68 protection, class F insulation, built-in motor protection, water temperature up to 40°C, pH 4-10 and an 8 m cable. It provides separate 50 Hz and 60 Hz curves.
Model Range
Compare hydraulic performance across all available power ratings.
Fourteen rows, both published frequencies. Each rated and maximum cell shows flow / head in GPM / ft. Frequency-specific values remain separate where published data differs.
| Model | Motor HP | Outlet mm | Rated 50 Hz GPM / ft | Rated 60 Hz GPM / ft | Max 50 Hz GPM / ft | Max 60 Hz GPM / ft | Passage mm |
|---|---|---|---|---|---|---|---|
| 50U2.45AL-SS | 0.6 | 50 | 12 / 5 | 12 / 5 | 19 / 8.5 | 19 / 8 | 50 |
| 50U2.45ALS-SS | 0.6 | 50 | 12 / 5 | 12 / 5 | 19 / 8.5 | 19 / 8 | 50 |
| 50U2.75AL-SS | 1.0 | 50 | 15 / 6 | 15 / 6 | 23 / 11 | 23 / 11 | 50 |
| 50U2.75ALS-SS | 1.0 | 50 | 15 / 6 | 15 / 6 | 23 / 11 | 23 / 11 | 50 |
| 50U21.1AL-SS | 1.5 | 50 | 15 / 8 | 15 / 8 | 25 / 13 | 25 / 13 | 50 |
| 50U21.1ALS-SS | 1.5 | 50 | 15 / 8 | 15 / 8 | 25 / 13 | 25 / 13 | 50 |
| 50U21.5AL-SS | 2.0 | 50 | 18 / 10 | 18 / 10 | 29 / 15 | 29 / 16 | 50 |
| 50U21.5ALS-SS | 2.0 | 50 | 18 / 10 | 18 / 10 | 29 / 15 | 29 / 16 | 50 |
| 65U21.5A-SS | 2.0 | 65 | 25 / 7 | 24 / 7 | 45 / 12 | 41 / 12.5 | 56 |
| 65U21.5AS-SS | 2.0 | 65 | 25 / 7 | 24 / 7 | 45 / 12 | 41 / 12.5 | 56 |
| 65U22.2A-SS | 3.0 | 65 | 25 / 10 | 24 / 10 | 50 / 16 | 46 / 15.5 | 56 |
| 65U23.0A-SS | 4.0 | 65 | 25 / 15 | 24 / 14 | 57 / 20 | 54 / 20 | 56 |
| 80U24.0A-SS | 5.4 | 80 | 40 / 15 | 36 / 15 | 69 / 23.5 | 66 / 23.5 | 56 |
| 80U25.5A-SS | 7.4 | 80 | 40 / 20 | 40 / 20 | 74 / 27 | 74 / 30 | 56 |
The hydraulic table follows published data. Float-switch codes share the corresponding single-phase row; exact catalog spelling remains separate below.
0.45-0.75 KW
50U2.45AL-SS / 50U2.45ALS-SS / 50U2.75AL-SS / 50U2.75ALS-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.
0.45-0.75 KW WITH FLOAT SWITCH
50U2.4SALSF-SS / 50U2.75ALSF-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.
1.1-1.5 KW
50U21.1AL-SS / 50U21.1ALS-SS / 50U21.5AL-SS / 50U21.5ALS-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.
1.1-1.5 KW WITH FLOAT SWITCH
50U21.1ALSF-SS / 50U21.5ALSF-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.
65 MM OUTLET
65U21.5A-SS / 65U21.5AS-SS / 65U22.2A-SS / 65U23.0A-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.
65 MM OUTLET WITH FLOAT SWITCH
65U21.5ASF-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.80 MM OUTLET
80U24.0A-SS / 80U25.5A-SS
Seven distinct catalog visuals are shown once and mapped to their exact A-SS codes.Configurations
Available 50 Hz / 60 Hz electrical configurations for each model.
Counted page codes are the base and single-phase S forms (14 codes, 14 frequency records). Single-phase models can be configured with a float switch; ALSF/ASF float codes are not separate table rows. 60 Hz is available as a customization.
| Exact catalog code | Hz | Phase / V | Power HP | Outlet mm | Rated flow / head GPM / ft | Max flow / head GPM / ft | Drawing |
|---|---|---|---|---|---|---|---|
| 50U2.45AL-SS | 50 | 3 / 380 | 0.6 | 50 | 52.8 / 16.4 | 84.1 / 27.9 | View |
| 50U2.45ALS-SS | 50 | 1 / 220 | 0.6 | 50 | 52.8 / 16.4 | 84.1 / 27.9 | View |
| 50U2.75AL-SS | 50 | 3 / 380 | 1.0 | 50 | 66.0 / 19.7 | 101.3 / 36.1 | View |
| 50U2.75ALS-SS | 50 | 1 / 220 | 1.0 | 50 | 66.0 / 19.7 | 101.3 / 36.1 | View |
| 50U21.1AL-SS | 50 | 3 / 380 | 1.5 | 50 | 66.0 / 26.2 | 110.5 / 42.7 | View |
| 50U21.1ALS-SS | 50 | 1 / 220 | 1.5 | 50 | 66.0 / 26.2 | 108.3 / 42.7 | View |
| 50U21.5AL-SS | 50 | 3 / 380 | 2.0 | 50 | 79.3 / 32.8 | 127.7 / 49.2 | View |
| 50U21.5ALS-SS | 50 | 1 / 220 | 2.0 | 50 | 79.3 / 32.8 | 127.7 / 49.2 | View |
| 65U21.5A-SS | 50 | 3 / 380 | 2.0 | 65 | 110.1 / 23.0 | 198.1 / 39.4 | View |
| 65U21.5AS-SS | 50 | 1 / 220 | 2.0 | 65 | 110.1 / 23.0 | 198.1 / 39.4 | View |
| 65U22.2A-SS | 50 | 3 / 380 | 3.0 | 65 | 110.1 / 32.8 | 220.1 / 52.5 | View |
| 65U23.0A-SS | 50 | 3 / 380 | 4.0 | 65 | 110.1 / 49.2 | 251.0 / 65.6 | View |
| 80U24.0A-SS | 50 | 3 / 380 | 5.4 | 80 | 176.1 / 49.2 | 303.8 / 77.1 | View |
| 80U25.5A-SS | 50 | 3 / 380 | 7.4 | 80 | 176.1 / 65.6 | 326.3 / 88.9 | View |
The catalog code 50U2.4SALSF-SS does not match published data and neighboring-code pattern 50U2.45ALSF-SS. Preserve the published catalog code until the intended spelling is confirmed in writing. Current UA-SS catalog records publish 50 Hz for counted codes; 60 Hz is customizable.
Representative catalog drawing · 80U25.5A-SS · 50 HzConstruction
AISI 304 bodywork, AISI 316 rotating parts.
- Discharge / pump body
- AISI 304 / AISI 304 stainless steel
- Motor body / upper cover
- AISI 304 / AISI 304 stainless steel
- Impeller / rotor shaft
- AISI 316 / AISI 316 stainless steel
- Handle / bearing house
- AISI 304 / AISI 304 stainless steel
- Bearings
- Ball bearings
- Mechanical seal
- SiC-SiC / Carbon-Ceramic
SOURCE & REVIEW
Evidence stays tied to Type A-SS.
Published source
MEUDY sewage pump catalog 2026.6.6, printed pages 44-46 with stainless materials, 50/60 Hz curves, performance rows and hard-pipe dimensions.
Current catalog
Exact code spelling, phase, voltage, image and dimension assignments come from the current English UA-SS records.
Confirmation
The 0.45 kW float-switch code spelling, 60 Hz catalog publication, certification scope and North American electrical suitability require written confirmation.
U TYPE A-SS FAQ
Selection questions answered from evidence.
How is the U Type A-SS range grouped?
The published data treats Type A-SS as one stainless-steel product entry with 14 hydraulic rows. Counted page codes are the base and single-phase S forms (14 codes, 14 frequency records). Matching ALSF/ASF float-switch codes remain outside that count.
What is stainless steel in the Type A-SS construction?
Published data specifies AISI 304 stainless steel for the discharge connection, handle, upper cover, bearing house, seal bracket, motor body and pump body; the impeller and rotor shaft are AISI 316 stainless steel.
Does published data provide both 50 Hz and 60 Hz performance?
Yes. It shows separate 50 Hz and 60 Hz curves and lists frequency-specific values where they differ. 60 Hz is customizable for Type A-SS; the current English UA-SS catalog publishes 50 Hz records for the counted codes.
Which A-SS codes include a float switch?
Published data identifies ALSF-SS as single phase with a float switch. The catalog also includes 65U21.5ASF-SS. Float-switch selection should be confirmed by exact code.
Why is the 0.45 kW float-switch code flagged?
The current catalog states 50U2.4SALSF-SS, while published data suffix pattern and neighboring model indicate 50U2.45ALSF-SS. This page preserves the catalog code and flags the mismatch for written confirmation.
Continue from published data to a reviewed selection