KBD · SUBMERSIBLE DRAINAGE PUMP
KBD agitator pump.
Built for slurry suction.
Published data describes KBD as a cast-iron, heavy-duty slurry pump based on KBZ. Its agitator assists suction, while the side-flow and top-discharge design keeps the motor cooling even when exposed to air and supports confined-space placement. It is described for bentonite slurry in slurry drilling and slurry-mixed water in civil or foundation works.
● 10 performance rows · 10 exact model codes · 15 current records
Confirm before quotation: the printed performance and dimension tables contain three explicit internal conflicts retained below.
SUMMARY CAPACITYUp to 440.3 GPM
SUMMARY HEADUp to 105.0 ft
SUMMARY POWER2.0-7.4 HP
PROTECTIONClass F / IP68
Series Overview
Key specifications shared across the KBD series.
Published data describes an agitator pump for slurry movement and drainage. The side-flow and top-discharge arrangement is stated to keep cooling effective when the motor is exposed to air, making confined-space placement easier.
Model Range
Compare hydraulic performance across all available power ratings.
Printed pages 38-40 define KBD as a SUBMERSIBLE DRAINAGE PUMP and list ten performance rows plus ten dimension rows. The printed page 39 footnote states: KBD = three phase; KBDM = single phase. These performance rows remain independent from current catalog records.
CURRENT CATALOG IMAGE
KBD21.5 · KBD22.2
Shared by KBD21.5 and KBD22.2; one content-distinct product asset.
CURRENT CATALOG IMAGE
KBD31.5 · KBD32.2
Shared by KBD31.5 and KBD32.2; one content-distinct product asset.
CURRENT CATALOG IMAGE
KBD33.7
One content-distinct current catalog product asset.
CURRENT CATALOG IMAGE
KBD35.5
One content-distinct current catalog product asset.
CURRENT CATALOG IMAGE
KBD43.7
One content-distinct current catalog product asset.
CURRENT CATALOG IMAGE
KBD45.5
One content-distinct current catalog product asset.
CURRENT CATALOG IMAGE
KBDM21.5
One content-distinct current catalog product asset.
CURRENT CATALOG IMAGE
KBDM31.5
One content-distinct current catalog product asset.| Model 50/60 Hz | Outlet mm | Motor power HP | Rated current A | Rated capacity GPM | Rated head ft | Max capacity GPM | Max head ft | Impeller passage mm |
|---|---|---|---|---|---|---|---|---|
| KBDM21.5 | 20 | 2.0 | 10 | 132.1/118.9 | 49.2 | 132.1/118.9 | 65.6/68.9 | 10 |
| KBDM31.5 | 80 | 2.0 | 10 | 184.9 | 23.0 | 184.9 | 45.9 | 10 |
| KBD21.5 | 50 | 2.0 | 3.5 | 66.0 | 49.2 | 132.1/118.9 | 65.6/68.9 | 10 |
| KBD31.5 | 80 | 2.0 | 3.5 | 132.1 | 23.0 | 184.9 | 45.9 | 10 |
| KBD22.2 | 50 | 3.0 | 5.0/5.1 | 79.3 | 62.3 | 132.1 | 82.0/91.9 | 10 |
| KBD32.2 | 80 | 3.0 | 5.0/5.1 | 158.5 | 36.1 | 229.0 | 55.8 | 10 |
| KBD33.7 | 80 | 5.0 | 7.7/8.0 | 132.1 | 65.6 | 264.2/242.2 | 98.4 | 10 |
| KBD43.7 | 100 | 5.0 | 7.7/8.0 | 264.2 | 36.1 | 396.3 | 59.1 | 10 |
| KBD35.5 | 80 | 7.4 | 11.4/11.6 | 158.5 | 78.7 | 325.8 | 105.0 | 10 |
| KBD45.5 | 100 | 7.4 | 11.4/11.6 | 264.2 | 45.9 | 440.3 | 72.2 | 10 |
These ten performance rows reproduce the printed page 40 table under its Model 50/60Hz heading. Published data 50/60Hz label is not used to create separate hydraulic rows.
| Model | d mm | A mm | A1 mm | B mm | D mm | H mm | W1 mm | N.W. / G.W. kg | Packing mm |
|---|---|---|---|---|---|---|---|---|---|
| KBDM21.5 | 50 | 240 | 196 | 640 | 216 | 594 | 135 | 44.5 / 49 | 710×265×275 |
| KBDM31.5 | 80 | 240 | 204 | 648 | 216 | 594 | 135 | 44.5 / 49 | 710×265×275 |
| KBD21.5 | 50 | 240 | 196 | 568 | 216 | 522 | 135 | 37 / 41 | 640×265×275 |
| KBD31.5 | 80 | 240 | 204 | 576 | 216 | 522 | 135 | 37 / 41 | 640×265×275 |
| KBD22.2 | 50 | 240 | 196 | 568 | 216 | 522 | 135 | 40 / 44 | 640×265×275 |
| KBD32.2 | 80 | 240 | 204 | 576 | 216 | 522 | 135 | 40 / 44 | 640×265×275 |
| KBD33.7 | 80 | 293 | 240 | 650 | 252 | 642 | 165 | 64 / 69 | 725×320×295 |
| KBD43.7 | 100 | 293 | 249 | 663 | 252 | 642 | 165 | 65 / 70 | 725×320×295 |
| KBD35.5 | 80 | 329 | 259 | 712 | 300 | 606 | 165 | 78 / 85 | 790×350×335 |
| KBD45.5 | 100 | 329 | 268 | 725 | 300 | 606 | 165 | 79 / 86 | 790×350×335 |
Configurations
Available 50 Hz / 60 Hz electrical configurations for each model.
The same catalog series contains 27 records across 18 model codes. This table includes only the 15 records whose exact codes match the ten performance rows. Eight adjacent KBDE codes represented by 12 records are excluded; no availability or offer is invented.
| Exact code | Hz | Phase / V | Power HP | Rated flow / head GPM / ft | Max flow / head GPM / ft | Outlet / passage mm | N.W. kg | Cable m | Drawing |
|---|---|---|---|---|---|---|---|---|---|
| KBD21.5 | 50 | 3φ / 400 | 2.0 | 66.0 / 49.2 | 131.2 / 65.9 | 50 / 10 | 37 | 8 | View dimension drawing |
| KBD21.5 | 60 | 3φ / 380 | 2.0 | 66.0 / 49.2 | 115.8 / 68.9 | 50 / 10 | 37 | 8 | View dimension drawing |
| KBD22.2 | 50 | 3φ / 400 | 3.0 | 79.3 / 62.3 | 146.6 / 82.0 | 50 / 10 | 40 | 8 | View dimension drawing |
| KBD22.2 | 60 | 3φ / 380 | 3.0 | 79.3 / 62.3 | 138.7 / 91.9 | 50 / 10 | 40 | 8 | View dimension drawing |
| KBD31.5 | 50 | 3φ / 400 | 2.0 | 132.1 / 23.0 | 184.9 / 45.9 | 80 / 10 | 37 | 8 | View dimension drawing |
| KBD32.2 | 50 | 3φ / 400 | 3.0 | 158.5 / 36.1 | 231.2 / 55.8 | 80 / 10 | 40 | 8 | View dimension drawing |
| KBD33.7 | 50 | 3φ / 400 | 5.0 | 132.1 / 65.6 | 272.5 / 98.4 | 80 / 10 | 64 | 8 | View dimension drawing |
| KBD33.7 | 60 | 3φ / 380 | 5.0 | 132.1 / 65.6 | 257.1 / 98.8 | 80 / 10 | 64 | 8 | View dimension drawing |
| KBD35.5 | 50 | 3φ / 400 | 7.4 | 158.5 / 78.7 | 330.7 / 105.0 | 80 / 10 | 78 | 8 | View dimension drawing |
| KBD43.7 | 50 | 3φ / 400 | 5.0 | 264.2 / 36.1 | 403.7 / 59.1 | 100 / 10 | 65 | 8 | View dimension drawing |
| KBD43.7 | 60 | 3φ / 380 | 5.0 | 264.2 / 36.1 | 407.7 / 59.1 | 100 / 10 | 65 | 8 | View dimension drawing |
| KBD45.5 | 50 | 3φ / 400 | 7.4 | 264.2 / 45.9 | 464.9 / 72.2 | 100 / 10 | 79 | 8 | View dimension drawing |
| KBDM21.5 | 50 | 1φ / 220 | 2.0 | 66.0 / 49.2 | 129.0 / 65.6 | 50 / 10 | 44.5 | 8 | View dimension drawing |
| KBDM21.5 | 60 | 1φ / 115 | 2.0 | 66.0 / 49.2 | 114.9 / 68.9 | 50 / 10 | 44.5 | 8 | View dimension drawing |
| KBDM31.5 | 50 | 1φ / 220 | 2.0 | 132.1 / 23.0 | 182.7 / 45.9 | 80 / 10 | 44.5 | 8 | View dimension drawing |
Current catalog differences: KBD21.5 lists 131/116 GPM at 50/60 Hz versus published data 132/119 GPM; KBD33.7 lists 273/257 GPM versus 264/242 GPM; KBD45.5 lists 465 GPM versus 440 GPM. Confirm the approved curve before quotation.
Frequency coverage: Where no 60 Hz catalog row is listed for KBDM31.5, KBD31.5, KBD32.2, KBD35.5 or KBD45.5, 60 Hz is customizable for that code; no unpublished frequency row is invented.
3φ 400 V ±10% · 50 Hz
380 V ±10% · 60 Hz
Published data also lists other voltages and optional cable lengths; these options are not inferred into current records.
Source conflicts / confirm before quotation: KBDM21.5 performance-table outlet = 20 mm, while printed page 39 dimension d = 50 mm.
KBDM21.5 rated capacity is printed as 132/119 GPM and 0.25 m³/min (66 GPM); these are not equal because 0.25 m³/min corresponds to 66 GPM.
KBDM31.5 rated capacity is printed as 185 GPM and 0.5 m³/min (132 GPM); these are not equal because 0.5 m³/min corresponds to 132 GPM.
Construction & materials
Cast iron, alloy, and steel components.
Printed page 39 lists the component materials below. The mechanical-seal wording is reproduced with its printed power boundaries; the 2.2-3.7kW gap and blank material cells are not filled from another source.
- Discharge connection / upper cover / motor body / pump body
- Cast iron
- Handle
- Rubber & steel
- Impeller / agitator
- High chrome alloy
- Inlet plate
- Ductile iron
- Strainer
- Steel
- Rotor shaft
- AISI420 SS
- Bearings
- Ball bearing
- Mechanical seal, published wording
- SiC-SiC/Carbon-SiC (<2.2kW)
SiC-SiC/SiC-SiC (>3.7kW)
2.2-3.7kW: Not stated - Stator / motor protector / oil seal / cable material
- Not stated in the printed table
SOURCE & REVIEW
Evidence stays tied to KBD.
Published source
Published data printed pages 38-40 with KBD description, applications, summary specifications, materials, dimensions, 50/60 Hz curves and ten performance rows.
Current catalog
Fifteen exact frequency records for ten published models codes, 8 content-distinct product images and 10 dimension paths / 10 content-distinct drawings. Five of the ten codes have no current 60 Hz record listed.
Confirmation
The three printed table conflicts, current decimal differences, approved performance curve, missing 60 Hz records and final quotation scope require confirmation. Current values remain separate from published values.
KBD FAQ
Model boundaries, source conflicts and quotation checks.
Is KBD a separate Contents item?
Yes. KBD is an independent published data Contents item on printed pages 38-40. This page keeps its ten published models codes separate from the preceding KBL entry, the adjacent KBDE codes and the later KBS entry.
What do KBD and KBDM mean in published data?
The printed page 39 footnote states: KBD = three phase; KBDM = single phase. this published naming note is shown separately from the current catalog voltage and frequency records.
Which current records are included?
The catalog series contains 27 records across 18 model codes. This page includes the 15 records whose exact codes match the ten KBD performance rows and excludes 12 records for eight adjacent KBDE codes stored under the same series label.
Which 60 Hz records are missing?
No current 60 Hz record is listed for KBDM31.5, KBD31.5, KBD32.2, KBD35.5 or KBD45.5. No 50 Hz value is copied into a missing 60 Hz record.
What must be confirmed before quotation?
Confirm the three printed published conflicts, the current decimal differences, the approved performance curve and the final frequency scope before quotation. The printed mechanical-seal boundary from 2.2-3.7kW is not filled from another source.
Need agitator-assisted slurry drainage?