Alumina Ceramic Disc For Water Pump
Lapped alumina discs for pump and tap cartridges that have to seal on water for years.
- MaterialAlumina ceramic
- ShapeRound or custom
- ColorWhite
Machinery Ceramic Parts
Discs, pistons and wear parts that go straight into pumps, taps and textile machinery as a drop-in replacement for metal.
What This Range Is For
Discs, pistons and wear parts that go straight into pumps, taps and textile machinery as a drop-in replacement for metal.
Performance Advantages
- Good electrical insulation
- High mechanical strength
- Excellent wear resistance
- Excellent corrosion resistance
- Low dielectric constant
Industry Applications
- Machinery
- Electronics
- Chemicals
- Petroleum
Typical Parts
- Water pump discs
- Tap discs
- Pump seals and other components
- Ceramic plunger for high pressure cleaner
- Wear resistant inserts
Material: Alumina and zirconia. Everything in this range can be made in a custom size, shape and, where the material allows it, colour.
One Product In This Range
Parts We Have Made In Machinery
Photographed in our own plant, not rendered.
Published Properties
| Item | Unit | Typical value |
|---|---|---|
| Physical Properties | ||
| Color | Ivory/Beige | |
| Density | g/cm3 | 3.85 |
| Alumina Content | % | 99% |
| Gas permeability | 0 | |
| Water Absorption | 0 | |
| Mechanical Properties | ||
| MONS' Hardness | Grade | 9 |
| Rockwell Hardness | HRA | 92 |
| Vickers Hardness (Hv50) | Gpa(Kg/mm2) | 15.7 (1600) |
| Flexural Strength (20C) | Mpa | 330 |
| Compressive Strength (20C) | Mpa | 2000 |
| Fracture Toughness (20C) | MPam1/2 | 4 |
| Modulus of Elasticity | Gpa | 350-400 |
| Thermal Properties | ||
| Thermal Conductivity (20C-400C) | W(m.K) | 27.5 |
| Thermal Expansion Coefficient | 10-6/C | 7.6 |
| Thermal Shock Resistance | dT C | 200 |
| Maximum Use Temperature | C | 1650 |
| Electronic Properties | ||
| Dielectric Strength | KV/mm | > 10 |
| Dielectric Constant | Er | 9.1 |
| Dielectric Loss Angle (1MHz) | 0.0002-0.0003 | |
| Volume Resistivity (20C) | ohm.cm | > 10^14 |
Where This Range Is Used
Related Reading
- Zirconia Or Alumina Which To SpecifyToughness against hardness, cost and temperature
- Alumina 95% Or 99% PurityWhat the extra four percent changes
- Silicon Nitride And Silicon Carbide ComparedTwo hard ceramics with different jobs
- Steatite For Electrical InsulationWhy heating elements still use talc ceramic
Questions About Machinery Ceramic Parts
Which parts in this range are made to drawing?
All of them. We can supply the products according to the customer's drawings, samples and performance requirement.
What is the lead time?
Sample delivery in 4 to 7 working days. Production is 15 to 30 days if the goods are not in stock, according to the dimension and quantity.
Do you charge for a sample?
We offer the sample free of charge but do not pay the cost of freight.
How is quality confirmed before shipment?
We inspect according to your drawings and issue an inspection report, and provide photographic documentation of the packing and shipping process.
Other Ranges
Zirconia Ceramic Parts
High toughness zirconia parts for wear surfaces that run against metal, fluid or fibre without picking up magnetism or corroding.
See the range
Al2O3 Alumina Ceramic Parts
95% and 99% alumina rings, tubes, substrates and plates for insulation, wear and high temperature service up to 1650C.
See the range
Steatite Ceramic Parts
Talc based steatite beads, strips and insulators for electrical heating assemblies where dielectric strength matters more than toughness.
See the range
Metallized Ceramic Parts
Mo/Mn metallized and plated alumina ready for brazing into vacuum interrupters, feedthroughs and hermetic assemblies.
See the rangeGet A Quote On A Machinery Part
Send the drawing or the sample. We quote on the part, not on a catalogue number.