What Is a Silicon Carbide Vertical Sump Pump?
A silicon carbide vertical sump pump is used in tanks, pits and process vessels to handle corrosive, abrasive or particle-containing liquids.
Silicon carbide is commonly used for bearings, sleeves, bushings and wear rings. These SiC components help maintain shaft alignment, reduce abrasive wear and improve dimensional stability where metal or polymer parts may corrode, swell or lose clearance.
Dimensions of Silicon Carbide Vertical Sump Pump
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| Type7 Silicon Carbide Vertical Sump Pump | ||||||
| Type | Import and export caliber (mm) | Flow (m3/h) | Head(m) | Power (KW) | Speed (Nr/min) | Efficiency (%) |
| AT25-8-22-1.1 | 25 | 8 | 22 | 1.1 | 2825 | 38.5 |
| AT32-12-15-1.1 | 32 | 12 | 15 | 1.1 | 2825 | 40 |
| AT40-15-15-1.5 | 40 | 15 | 15 | 1.5 | 2840 | 45.1 |
| AT40-15-30-2.2 | 40 | 15 | 30 | 2.2 | 2840 | 48 |
| AT50-20-7-0.75 | 50 | 20 | 7 | 0.75 | 1390 | 54 |
| AT50-10-10-0.75 | 50 | 10 | 10 | 0.75 | 1390 | 56 |
| AT50-20-15-1.5 | 50 | 20 | 15 | 1.5 | 2840 | 55 |
| AT50-15-25-2.2 | 50 | 15 | 25 | 2.2 | 2840 | 56 |
| AT50-18-30-3 | 50 | 18 | 30 | 3 | 2880 | 58 |
| AT50-25-32-5.5 | 50 | 25 | 32 | 5.5 | 2900 | 53 |
| AT50-20-40-7.5 | 50 | 20 | 40 | 7.5 | 2900 | 55 |
| AT65-25-15-2.2 | 65 | 25 | 15 | 2.2 | 2840 | 52 |
| AT65-37-13-3 | 65 | 37 | 13 | 3 | 2880 | 55 |
| AT65-25-30-4 | 65 | 25 | 30 | 4 | 2890 | 58 |
| AT65-30-40-7.5 | 65 | 30 | 40 | 7.5 | 2900 | 56 |
| AT65-35-50-11 | 65 | 35 | 50 | 11 | 2930 | 60 |
| AT65-35-60-15 | 65 | 35 | 60 | 15 | 2930 | 63 |
| AT80-40-7-2.2 | 80 | 40 | 7 | 2.2 | 1420 | 52 |
| AT80-43-13-3 | 80 | 43 | 13 | 3 | 2880 | 50 |
| AT80-40-15-4 | 80 | 40 | 15 | 4 | 2890 | 57 |
| AT80-65-25-7.5 | 80 | 65 | 25 | 7.5 | 2900 | 56 |
| AT100-80-10-4 | 100 | 80 | 10 | 4 | 1440 | 62 |
| AT100-110-10-5.5 | 100 | 110 | 10 | 5.5 | 1440 | 66 |
| AT100-100-15-7.5 | 100 | 100 | 15 | 7.5 | 1440 | 67 |
| AT100-85-20-7.5 | 100 | 85 | 20 | 7.5 | 1440 | 68 |
| AT100-100-25-11 | 100 | 100 | 25 | 11 | 1460 | 65 |
| AT100-100-30-15 | 100 | 100 | 30 | 15 | 1460 | 66 |
| AT100-100-35-18.5 | 100 | 100 | 35 | 18.5 | 1470 | 65 |
| AT125-130-15-11 | 125 | 130 | 15 | 11 | 1460 | 62 |
| AT120-130-20-15 | 125 | 130 | 20 | 15 | 1460 | 63 |
| AT150-145-9-7.5 | 150 | 145 | 9 | 7.5 | 1440 | 63 |
| AT150-180-15-15 | 150 | 180 | 15 | 15 | 1460 | 65 |
| AT150-180-20-18.5 | 150 | 180 | 20 | 18.5 | 1470 | 75 |
| AT150-180-25-22 | 150 | 180 | 25 | 22 | 1470 | 76 |
| AT150-130-30-22 | 150 | 130 | 30 | 22 | 1470 | 75 |
| AT150-180-30-30 | 150 | 180 | 30 | 30 | 1470 | 73 |
| AT150-200-30-37 | 150 | 200 | 30 | 37 | 1480 | 70 |
| AT200-300-7-11 | 200 | 300 | 7 | 11 | 970 | 73 |
| AT200-250-11-15 | 200 | 250 | 11 | 15 | 970 | 74 |
| AT200-400-10-22 | 200 | 400 | 10 | 22 | 1470 | 76 |
| AT200-400-13-30 | 200 | 400 | 13 | 30 | 1470 | 73 |
| AT200-250-15-18.5 | 200 | 250 | 15 | 18.5 | 1470 | 72 |
| AT200-300-15-22 | 200 | 300 | 15 | 22 | 1470 | 73 |
| AT200-250-22-30 | 200 | 250 | 22 | 30 | 1470 | 71 |
| AT200-350-25-37 | 200 | 350 | 25 | 37 | 1980 | 75 |
| AT200-400-30-55 | 200 | 400 | 30 | 55 | 1480 | 70 |
| AT250-600-9-30 | 250 | 600 | 9 | 30 | 980 | 74 |
| AT250-600-12-37 | 250 | 600 | 12 | 37 | 1480 | 78 |
| AT250-600-15-45 | 250 | 600 | 15 | 45 | 1480 | 75 |
| AT250-600-20-55 | 250 | 600 | 20 | 55 | 1480 | 73 |
| AT250-600-25-75 | 250 | 600 | 25 | 75 | 1480 | 73 |
| AT300-800-12-45 | 300 | 800 | 12 | 45 | 980 | 76 |
| AT300-500-15-45 | 300 | 500 | 15 | 45 | 980 | 70 |
| AT300-800-15-55 | 300 | 800 | 15 | 55 | 980 | 73 |
| AT300-600-20-55 | 300 | 600 | 20 | 55 | 980 | 75 |
| AT300-800-20-75 | 300 | 800 | 20 | 75 | 980 | 78 |
| AT300-950-20-90 | 300 | 950 | 20 | 90 | 980 | 80 |
| AT300-1000-25-110 | 300 | 1000 | 25 | 110 | 980 | 82 |
| AT350-1100-10-55 | 350 | 1100 | 10 | 55 | 980 | 84.5 |
| AT350-1500-15-90 | 350 | 1500 | 15 | 90 | 980 | 82.5 |
| AT350-1200-18-90 | 350 | 1200 | 18 | 90 | 980 | 83.1 |
| AT350-1100-28-132 | 350 | 1100 | 28 | 132 | 740 | 83.2 |
| AT350-1000-36-160 | 350 | 1000 | 36 | 160 | 740 | 78.5 |
| AT400-1500-10-75 | 400 | 1500 | 10 | 75 | 980 | 82.1 |
| AT400-2000-15-132 | 400 | 2000 | 15 | 132 | 740 | 85.5 |
| AT400-1700-22-160 | 400 | 1700 | 22 | 160 | 740 | 82.1 |
| AT400-1500-26-160 | 400 | 1500 | 26 | 160 | 740 | 83.5 |
| AT400-1700-30-200 | 400 | 1700 | 30 | 200 | 740 | 83.5 |
| AT400-1800-32-250 | 400 | 1800 | 32 | 250 | 740 | 82.1 |
| AT500-2500-10-110 | 500 | 2500 | 10 | 110 | 740 | 82 |
| AT500-2600-15-160 | 500 | 2600 | 15 | 160 | 740 | 83 |
SiC Material Data for Component Selection
Compare the selected route with the liquid composition, temperature, particles and contact-pair requirements. These values describe material selection; define the component grade and acceptance requirements with the order.
| Material selection characteristic | RBSiC / SiSiC (AD-SIC-RB) | SSiC (AD-SIC-SS) |
|---|---|---|
| Route | Reaction bonding/silicon infiltration | Pressureless sintering |
| SiC content | 85 wt% nominal | ≥99 wt% |
| Structure | Dense SiC with 15 wt% nominal residual free silicon | Dense sintered SiC; no silicon-infiltration phase |
| Bulk density (g/cm³) | ≥3.02; material selection value | 3.10 typical; material selection value |
| Apparent open porosity (vol%) | ≤0.1 | <0.1 |
| Flexural strength (MPa, typical) | 250 at 20 °C | 380; test temperature not stated |
| Young's modulus (GPa, typical) | 330 at 20 °C | 420 |
| Thermal conductivity (W/(m·K), typical) | Not listed at ambient | 100–120; exact temperature not stated |
| Application-temperature ceiling (°C, initial selection) | 1380 | 1600 |
Select the Pump Duty and the SiC Part
A vertical sump pump places its liquid-handling section below the mounting level of a tank or pit. Silicon carbide vertical sump pump components provide hard working surfaces at bearing, shaft-protection and wear-control positions. Select the material route for the actual liquid, particles, temperature and contact pair.
| Supply option | Working role | Selection focus |
|---|---|---|
| Pump unit / matched assembly | Transfer liquid from a tank or pit with the selected hydraulic and shaft-support layout | Catalogue model, flow/head, installed length, liquid duty and assembly scope |
| SiC bearing/bushing | Support the shaft at the specified bearing position | Bore/OD/length, mating material, fits, grooves, lubrication/flush and load |
| SiC sleeve/wear ring | Protect the shaft surface or define a working clearance | Interface geometry, working surfaces, fit/clearance, retention and liquid exposure |
| Drawing-defined wetted part | Provide the specified hydraulic or wear-protection surface | Impeller, throat/cover or liner geometry; attachment and flow-path clearance |
Match the shaft-support layout
| Configuration input | Define on the assembly drawing | Selection it supports |
|---|---|---|
| Cantilever arrangement | Upper support, shaft length, lower hydraulic section and operating duty | Component positions and the shaft/interface requirements for that configuration |
| Guide-bearing arrangement | Each guide-bearing position, span, mating surfaces and fluid/flush route | Bearing/bushing geometry, clearance and lubrication conditions |
| Extended installed length | Installed-length datum, support positions, liquid levels and shaft drawing | The requested extension and its support, alignment and service requirements |
RBSiC or SSiC for Sump Pump Service
RBSiC / SiSiC — Complex Shapes & Cost Control
- Structure: Dense reaction-bonded SiC with 15 wt% nominal residual free silicon.
- Typical parts: Larger liners, covers and thick-walled bushings.
- Compatibility check: Confirm the liquid, concentration and temperature, particularly for strongly alkaline or specific acid media.
SSiC — Chemical Resistance & Precision Surfaces
- Structure: Dense pressureless-sintered SiC with no silicon-infiltration phase.
- Typical parts: Bearings, sleeves and precision contact surfaces.
- Selection focus: Chemical compatibility, dimensional stability and the required surface finish.
Combining Materials in One Pump
A pump may use SSiC bearing pairs alongside RBSiC liners or wear parts. Each component has its own material grade and acceptance requirements recorded on the order.
Material Data Scope
This page covers dense RBSiC and SSiC components. Porous NBSiC and recrystallized SiC use separate material data; values must not be transferred between dense and porous grades.
Packaging for SiC Pump Components and Matched Assemblies
ADCERAX protects SiC pump components with moisture-resistant wrapping, cushioning and reinforced export packaging. Bearings, sleeves, wear rings and long-shaft assemblies are fixed carefully to reduce impact, vibration and edge damage during international transport.


