Ceramic disc valves high precision technical ceramic cartridge tap valve elements
- Materials：Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4 /SiC ...etc
- Sizes：Custom according to the drawings
- Delivery times：2 -25 days(depends on the quantity)
- Precision：Ra 0.1um tolerance: 0.001mm... etc
- Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation...
- Customized：yle="color: rgb(115 115 115); font-family: Arial "Times New Roman"; font-size: 16px;">Can be custom for special sizes and shapes
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Ceramic Disc Valves High Precision Technical Ceramic Cartridge Tap Valve Elements
Ceramic Disc Valves is the valve body with its movement to achieve direction control, pressure control or flow control of the basic functions of the valve parts.
Spool movement mode:
According to the movement way into rotary (45 °, 90 °, 180 °, 360 °), horizontally (radial, oriented).
The valve core shape:
According to the general shape can be divided into spherical (ball valve), conical (plug), pie (butterfly valve and gate valve), cover (globe valve and check valve) cylindrical (reversing valve)
Part of ceramic disc valve specifications:
|
Diameter (inch) |
Thickness (inch) |
|
0.312 |
0.125 |
|
0.37 |
0.25 |
|
0.37 |
0.25 |
|
0.492 |
0.15 |
|
0.495 |
0.23 |
|
0.5 |
0.2 |
|
0.75 |
0.125 |
|
0.71 |
0.2 |
|
0.71 |
0.2 |
|
0.71 |
0.25 |
Ceramic disc valve material composition:
· 95%--99.99% Alumina (Al2O3) · Silicon Carbide · Silicon Nitride
· TTZ: Magnesia partially stabilized Zirconia (ZrO2) · YTZP: Yttria partially stabilized Zirconia (ZrO2)
· ZDY: Yttria fully stabilized Zirconia (ZrO2)
The property of the ceramic tubes:
·Excellent physical & chemical stability ·High temperature resistance(up to1750℃)
·Excellent wear & pressure & corrosion& insulation resistance and thermal conductivity..
Ceramic disc valve precision process:
|
Precision of manufacture |
|
Dimensional accuracy |
Up to 0.001mm |
|
Smoothness |
Highest possible mirror |
|
Concentricity |
Up to 0.003mm |
|
Parallelism |
Up to 0.002mm |
|
The inner hole tolerance |
The minimum 0.005mm |
|
Straight flute |
The narrowest 0.1x100mm |
|
The thickness of the size |
Minimum to 0.02mm |
|
The screw thread |
Minimum internal thread M2 |
|
Cylindricity |
Up to 0.004mm |
|
The linear tolerance |
Up to 0.001mm |
|
The smallest aperture |
The minimum 0.07mm |
|
Precision process |
CNC maching,grinding,lapping |
|
Surface finish |
Glazed,polishing or metallized |
Visual quality:
1. No cracks, no dark dots, no contamination and sharp edges;
2. Evenly distributed glaze with very smooth surface |
Raw materials-Molding process - Sintering - Machining & Grinding - Quality Inspector
|
|
Ceramic Parameter:
|
Properties |
Units |
AL2O3 |
ZrO2 |
SiC |
Si3N4 |
|
Density |
g/cm3 |
3.65-3.93 |
5.95-6.0 |
3.12 |
3.23 |
|
Water absorption |
0 |
0 |
0 |
0 |
0 |
|
Coefficientof thermal expansion |
10-16/k |
7.9-8.5 |
10.5 |
3 |
3.2 |
|
Modulus of elasticity young`s mod |
GPa |
280-340 |
210 |
440 |
300 |
|
Poission`s ratio |
/ |
0.21-0.22 |
0.3 |
0.17 |
0.26 |
|
HV hardness hv |
MPa |
1650 |
1300-1365 |
2800 |
1500 |
|
Flexural strength |
MPa |
310 |
950 |
390 |
720 |
|
Flexural strength(700℃) |
MPa |
230 |
210 |
380 |
450 |
|
Compressive strength |
MPa |
2200 |
2000 |
1800 |
2300 |
|
Fracture toughness |
MPa*m1/2 |
4.2 |
10 |
3.9 |
6.2 |
|
Heat conductivity |
W/m*k |
26-30 |
2-2.2 |
120 |
25 |
|
Electrical resistivity |
Ω*mm2/m |
>1016 |
>1015 |
>103 |
>1013 |
|
Max use temperature |
℃ |
1750 |
1050 |
1550 |
1050 |
|
Resistance to acid alkaline |
/ |
high |
high |
high |
high |
|
Dielectric constant |
/ |
9.6 |
29 |
9.66-10.03 |
/ |
|
Dielectric strength |
KV/mm |
8.7 |
9 |
/ |
/ |
|
Thermal shock resistance |
△T（℃） |
180-220 |
280-350 |
230-260 |
/ |
|
Tensile strength |
MPa |
248 |
250 |
/ |
/ |
|
Customization & Machining Service：
As a professional manufacturer of industrial ceramic components.We can custom the sepcial specifications of Ceramic disc valve or other ceramic parts.High quality,Factory price, on-time delivery, High composition of ceramics
|
For more information about ceramics parts,please contact our engineers in time >>> |
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Moble: +86 18122974730
Phone: +86 0769-85090316-8038
Email: admin@cerampart.com
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