Heat Resistant Valveless Ceramic Metering Piston Pump

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Heat Resistant Valveless Ceramic Metering Piston Pump

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Heat Resistant Valveless Ceramic Metering Piston Pump

The key advantages that come with using cermaic valveless piston pump:

  • Valveless Design The valveless feature of the Ceramic pump is its most significant feature. There are typically four check valves present in diaphragm, bellows, and traditional piston pumps. Even during normal operation, these will wear over time and not seal properly allowing backflow. As a result, accuracy drifts and minimally the pumps need recalibration. Eventually, the check valves need to be serviced.
  • Ceramic Internals The Ceramic pump uses sapphire-hard ceramics for both the piston and mated liner. These components are dimensionally stable in that they will not change shape or dimension over time. Therefore, the pumping chamber remains stable for millions of dispenses without downtime or recalibration. In addition to dimensionally stable they are chemically inert which allows our pump to work in a greater variety of chemicals.
  • Accuracy & Precision Throughout the pumping cycle the inlet and outlet ports of the Valveless Metering Pump are never interconnect ensuring accurate fluid flow in one direction preventing any backflow (without check valves). As a result pumps accuracy is held from microliters to the full flow range and output does not change more than ± 1% of set value. Inaccurate pumps can generate waste and incur extra costs. 
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)

…

Heat Resistant Valveless Ceramic Metering Piston Pump

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

PropertiesUnitsAL2O3ZrO2SiCSi3N4
Densityg/cm33.65-3.935.95-6.03.123.23
Water absorption00000
Poission`s ratio/0.21-0.220.30.170.26
HV hardness hvMPa16501300-136528001500
Flexural strengthMPa310950390720
Heat conductivityW/m*k26-302-2.212025
Electrical resistivityΩ*mm2/m>1016>1015>103>1013
Dielectric constant/9.6299.66-10.03/
Dielectric strengthKV/mm8.79//
Coefficientof thermal expansion10-16/k7.9-8.510.533.2
Modulus of elasticity young`s modGPa280-340210440300
Flexural strength(700℃)MPa230210380450
Compressive strengthMPa2200200018002300
Max use temperature℃1750105015501050
Resistance to acid alkaline/highhighhighhigh
Thermal shock resistanceT(℃)180-220280-350230-260/
Fracture toughnessMPa*m1/24.2103.96.2
Tensile strengthMPa248250//

 

Manufacturing parameters:

 
Dimensional accuracyUp to 0.001mm
SmoothnessHighest possible mirror
ConcentricityUp to 0.003mm
ParallelismUp to 0.002mm
The inner hole toleranceThe minimum  0.005mm
Straight fluteThe narrowest 0.1x100mm
The thickness of the sizeMinimum to 0.02mm
The screw threadMinimum internal thread M2
CylindricityUp to 0.004mm
The linear toleranceUp to 0.001mm
The smallest apertureThe minimum 0.07mm
Precision processCNC maching,grinding,lapping
Surface finishGlazed,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). 

Heat Resistant Valveless Ceramic Metering Piston Pump

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

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