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Износостойкий механический с высокой твердостью термоударный поворотный клапан из

Износостойкий механический с высокой твердостью термоударный поворотный клапан из

Категория: Керамические клапаны >>>
Поставщик: Dongguan,Mingrui,Ceramic,Technology,Co.,Ltd.

Цена:*

Количество:

Описание и отзывы

Трекер стоимости

Месяц	Минимальная цена	Макс. стоимость
Sep-20-2025	0.54 $*	0.5 $*
Aug-20-2025	0.53 $*	0.77 $*
Jul-20-2025	0.2 $*	0.9 $*
Jun-20-2025	0.63 $*	0.59 $*
May-20-2025	0.65 $*	0.57 $*
Apr-20-2025	0.81 $*	0.94 $*
Mar-20-2025	0.61 $*	0.88 $*
Feb-20-2025	0.23 $*	0.20 $*
Jan-20-2025	0.31 $*	0.29 $*

Характеристики

Product Description

Wear Resistance Mechanical Hardness High Thermal Shock Alumina Rotary Valve

Advantages

1. Refractory.

2. Self Lubricating

3. Long Service Life.

4. Good Polished Surface.

5. Environmental and Healthy.

6. Superior Mechanical Strength.

7. High Corrosion and Wear Resistance.

8. Good Insulation Performance Precision.

9. High Temperature and Pressure Resistance.

10. High Purity Zirconia and Alumina Ceramic Material.

Due to these outstanding properties, Ceramic Products are used in a wide range of industrial and advanced appications.

And a lot of practical applications prove that our ceramic products has reached a state of high standard and quality.

Features:

1. Stong Hardness

2. High Toughness

3. High mechanical Strength

4.Resists strong acid and alkali

5.Resistant to thermal shock

6.High Mechanical Strength

7.Low Thermal Conductivity

High Polish zirconia ceramic valve

Ceramic Parameter

Ceramic 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 properties of ceramic:
·Excellent physical & chemical stability ·High temperature resistance
·Excellent wear & pressure & corrosion& insulation resistance and thermal conductivity...

ceramic proerty1.jpg

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
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
Heat conductivity	W/m*k	26-30	2-2.2	120	25
Electrical resistivity	Ω*mm2/m	>1016	>1015	>103	>1013
Dielectric constant	/	9.6	29	9.66-10.03	/
Dielectric strength	KV/mm	8.7	9	/	/
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
Flexural strength(700℃)	MPa	230	210	380	450
Compressive strength	MPa	2200	2000	1800	2300
Max use temperature	℃	1750	1050	1550	1050
Resistance to acid alkaline	/	high	high	high	high
Thermal shock resistance	T(℃)	180-220	280-350	230-260	/
Fracture toughness	MPa*m1/2	4.2	10	3.9	6.2
Tensile strength	MPa	248	250	/	/

Manufacturing parameters:

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

Additional Information:
·In stock items will typically ship in a few working days.
·Unit price and estimated ship dates will be calculated when the length and quantity are specified.
·Diameter tolerance ± 3% or ± 0.003" (0.076 mm), Straightness: ≤ 0.003"/1.000" cumulative.
·Can be customized

Customization:
As a manufacturer of ceramic parts, we offer customization of ceramic special sizes and shapes.High Precision, Fast Delivery Time, High Composition (with test report).

Lead time: 10-20 working days for the mass with free sample of mass ; Minimum order quantity : 1qty

As a manufacturer of ceramic parts, we offer customization of ceramic for special sizes and shapes.High Precision, Fast Delivery Time, High Composition.

CULTURE

We are a leading manufacturer of industrial ceramic parts, who has years of R&D experience in China. And very advanced technologies in the production of zirconia and alumina ceramic tube, ceramic rod, ceramic plate, ceramic ring, ceramic sleeve, ceramic valve, ceramic piston plunger pump, and semiconductor ceramics, etc.

They are applicable to Electrical, Appliance, Mining, Oil & Gas, Energy & Power, Food & Medical, Agriculture, Aerospace, even other high-end fields.

Dongguan Mingrui Ceramic Tech. Co. Ltd.
Add: No.21 Chuangxing Rd., the 2nd Industrial Zone of
Shangsha,Chang'an town, Dongguan city, Guangdong,China
Tel: +86 0769 85090316
Fax: +86 0769 85090326
Skype: +86 18122972636
Mobile: +86 18122972636

Official website: http://www.cerampart.com/