Material IntroductionThis valve core and sleeve is made from high-performance zirconia ceramic (ZrO₂), a material valued for its hardness, wear resistance, corrosion resistance, and stable performance in clean fluid environments. It is well suited for pharmaceutical liquids, solvents, and precision fluid control applications. Functional Features     Precision-polished sealing surface for more stable sealing performance     Controlled tolerances to support accurate matching between the valve core and sleeve     Good wear and corrosion resistance for long-term pump operation      Custom holes, grooves, chamfers, and special structures available based on drawingsThis component is commonly used as part of ceramic pump components and ceramic valve components for dosing, filling, and precision liquid control systems. Application Industries    Pharmaceutical metering pumps    Dosing and filling systems    Medical fluid control equipment    Biotechnology equipment    Fine chemical processing systems    Laboratory liquid handling equipment Delivery Time    Standard specifications: about 15–25 days    Customized specifications: about 20–35 days    Complex or high-precision parts: evaluated according to drawingsFor custom zirconia ceramic valve core and sleeve manufacturing, please contact CERAMPRO with your drawings, tolerance requirements, surface finish requirements, application details, and estimated order quantity.

Material Introduction This high-pressure pump ceramic piston and plunger is mainly made from zirconia ceramic, alumina ceramic or ZTA ceramic, depending on the pressure level, fluid medium and working conditions. Zirconia ceramic is often preferred for high-pressure pump applications because it offers good toughness, wear resistance and stable performance during repeated plunger movement. Functional Features Good wear resistance for high-pressure pump operation Corrosion resistance in fluid and chemical environments Precision-ground and polished surface for smoother movement Stable dimensions for piston and plunger assembly Custom diameter, length, tolerance and surface finish available Suitable for OEM ceramic pump and fluid control components Application Industries This ceramic piston and plunger is commonly used in ceramic pump components, high-pressure pumps, metering pumps, chemical pumps, industrial cleaning pumps, water treatment systems, fluid control equipment and precision machinery. Delivery Time Sample production usually takes 15–25 working days after drawings, material and tolerance requirements are confirmed. Bulk order lead time is usually 25–40 working days, depending on quantity, material selection, machining difficulty and inspection requirements.

Product Name:Alumina Ceramic Metering Pump Core Components Product Material:High-Purity Alumina Ceramic (Al₂O₃ ≥99.6%). For pump liners and valve seats, monolithic alumina structures are used; for reciprocating plungers/piston rods or diaphragms承受高冲击, Zirconia Toughened Alumina (ZTA) can be employed to enhance toughness. Material Characteristics:Extremely high hardness (Mohs hardness 9) and superior wear resistance, Excellent chemical corrosion resistance (resists strong acids, alkalis, organic solvents, and salts), Superior electrical insulation and dielectric strength, Good biocompatibility and low adsorption, High rigidity and low coefficient of thermal expansion for excellent dimensional stability, Surfaces can achieve ultra-low roughness (Ra < 0.05 µm) to reduce flow resistance and wear, Material is pure and non-contaminating, does not leach metal ions. Application Fields:Ceramic plungers/pistons, pump cylinders/sleeves, check valve balls and seats, diaphragms for high-precision, low-pulsation metering pumps; Quantitative transfer of slurries and high-purity chemicals in semiconductor wet processes (e.g., CMP); Precise addition and filling of culture media, buffer solutions, and protein solutions in biopharmaceuticals; Precise metering of corrosive chemicals and additives in the petrochemical industry; Dosing of flocculants and pH adjusters in environmental water treatment. Application Industries:Fluid Control, Biomedical (Pharmaceuticals, In-vitro Diagnostics), Semiconductor Manufacturing, Petrochemical, New Energy (Electrolyte preparation), Advanced Mechanical Equipment (Precision Spraying, Dispensing). Processing Difficulties:Manufacturing ceramic plungers with ultra-high length-to-diameter ratios, straightness, and roundness (straightness can reach

Product Name:Alumina Ceramic Metering Pump Precision Fluid Control Unit Product Material:High-Purity Alumina Ceramic (Al₂O₃ 99.5%-99.8%). For key friction pairs or impact-prone components such as valve seats and cores, Zirconia Toughened Alumina (ZTA) composite reinforcement can be employed. Material Characteristics:Ultra-high hardness (Mohs hardness 9) and exceptional wear resistance, Excellent chemical corrosion resistance (resistant to strong acids, alkalis, organic solvents, and oxidizing/reducing atmospheres), Extremely high rigidity and dimensional stability, Good electrical insulation and dielectric strength, Very low tendency for media adsorption and contamination, Surfaces capable of achieving nano-level smoothness (Ra < 0.05 µm), High material purity with no metal ion leaching. Application Fields:Complete fluid control modules for high-precision metering pumps, including integrated ceramic pump heads, multi-function valve blocks, precision manifold plates, as well as core individual components like plunger/cylinder assemblies, check valves, and relief valves. Application Industries:Fluid Control (Precision chemical processing, water treatment, food & beverage), Petrochemical (Catalyst addition, corrosive media transfer), Biomedical (Pharmaceuticals, in-vitro diagnostic reagent handling), New Energy (Precision metering of lithium battery electrolytes), Semiconductor Manufacturing (Ultra-pure chemical distribution). Processing Difficulties:Achieving defect-free integral molding and sintering of integrated pump heads or valve blocks with multi-chamber and multi-flow channel designs; Ensuring high-dimensional accuracy and superior surface quality of complex internal interconnected flow channels; Controlling geometric tolerances and fit clearances among multiple precision mating surfaces (e.g., plunger and cylinder, valve core and seat); Achieving ultra-high flatness and low roughness on large sealing end faces; Ensuring structural integrity of the module under cyclic high pressure. Processing Flow:Application analysis and modular design → High-purity powder batching and homogenization → Precision isostatic pressing or injection molding (for complex modules) → High-temperature sintering in a controlled atmosphere → Precision grinding of datum surfaces → Multi-axis precision CNC machining center for flow channel and cavity processing → Ultra-precision jig grinding of key bore systems and mating surfaces → Surface finishing via ultrasonic and CMP processes → Helium mass spectrometer leak testing and flow/pressure performance testing → Cleanliness inspection and cleanroom packaging Delivery Period:Standard individual functional components: 40-65 daysCustomized integrated fluid control modules: 80-140 days

Product Name:Zirconia Ceramic Filling Pump Fluid Control Structural Components Product Material:Yttria-Stabilized Tetragonal Zirconia Ceramic (Y-TZP). For areas requiring extreme wear/corrosion resistance or higher thermal conductivity, Zirconia-Silicon Carbide (ZrO₂-SiC) or Zirconia-Aluminum Nitride (ZrO₂-AlN) composite ceramics can be utilized. Material Characteristics:Exceptional fracture toughness (impact resistant, K₁c: 8-12 MPa·m¹ᐟ²), Ultra-high hardness (HV >1200) and extremely low wear rate, Superior chemical corrosion resistance (tolerant to strong acids, alkalis, organic solvents, and Li-ion battery electrolytes), Extremely low metal ion leaching and zero magnetic properties, Good biocompatibility and food safety, Moderate coefficient of thermal expansion (~10×10⁻⁶/K) compatible with various metals, Capable of achieving nano-level ultra-smooth surfaces (Ra < 0.02 µm) to reduce flow resistance and adhesion, High mechanical and flexural strength (>1000 MPa). Application Fields:Pump bodies, chambers, pistons/plungers, valve seats, valve cores, diaphragms, and fluid manifold plates for high-precision filling pumps; Quantitative filling and transfer of lithium battery electrolytes and electrode slurries; Sterile filling of high-value pharmaceuticals and protein preparations in biopharmaceuticals; Precise dispensing of high-purity chemicals in the semiconductor industry; Micro-dosing filling of high-end cosmetics and fragrances. Application Industries:New Energy (Lithium battery manufacturing equipment), Biomedical (Pharmaceuticals, high-end medical devices), Fluid Control (Precision metering and filling), Semiconductor Manufacturing, Advanced Mechanical Equipment. Processing Difficulties:Machining pump bodies and manifolds with complex 3D internal flow channels, high aspect ratio holes, and irregular curved surfaces; Ensuring ultra-high straightness and roundness of pistons/plungers and achieving micron-level dynamic clearance with pump chambers; Achieving nano-level flatness and super-mirror finish on large-area sealing planes (e.g., valve seats); Controlling deformation and stress concentration in thin-walled, multi-cavity structures during sintering and machining; Guaranteeing all flow channels and contact surfaces are free from machining defects to prevent media retention or contamination. Processing Flow:Formulation of high-purity nano-zirconia powder and slurry homogenization → Precision Ceramic Injection Molding (CIM) of complex structural green bodies → Catalytic debinding and staged presintering → High-temperature atmosphere-controlled sintering (HIP optional) for densification → Rough machining and datum establishment using high-rigidity CNC machines → Ultra-precision slow wire cutting/grinding of core flow channels and mating surfaces → Ultrasonic-assisted precision drilling and polishing → Multi-step Chemical Mechanical Polishing (CMP) to achieve ultra-smooth functional surfaces → Full dimensional inspection via Coordinate Measuring Machine (CMM) → Surface cleanliness and ion leaching analysis → Performance simulation testing (flow, pressure) → Vacuum packaging in a class 1000 cleanroom Delivery Period:Standard piston/valve seat components: 55-85 daysComplex integrated pump bodies, manifolds, or multi-component成套 solutions: 90-150 days

Product Name:Custom Machining Service for Alumina Ceramic Metering Pump Critical Components Product Material:High-Purity Alumina Ceramic (Al₂O₃ 96%-99.9%). Depending on the specific stress, impact, and wear resistance requirements of the components, customized solutions using composite materials like Zirconia Toughened Alumina (ZTA) or full-component customization with materials such as high-purity Yttria-Stabilized Zirconia (Y-TZP) are available. Material Characteristics:Exceptional wear resistance and high hardness (Mohs hardness 9), Excellent chemical corrosion resistance (resistant to strong acids, alkalis, solvents, and salts), High rigidity and outstanding dimensional stability, Good electrical insulation and dielectric strength, Extremely low risk of media adsorption and contamination, Surfaces can achieve various finish levels from matte to mirror (Ra < 0.05 µm), High biocompatibility and material purity. Application Fields:Custom machining of metering pump core moving parts (ceramic plungers/pistons, piston rods), precision mating parts (pump cylinders/sleeves, valve balls, valve seats), static structural components (pump bodies, end covers, diaphragms), and special fluid channel components. Application Industries:Fluid Control (Precision chemical processing, water treatment), Biomedical (Pharmaceuticals, in-vitro diagnostic equipment), New Energy (Lithium battery electrolyte preparation and transfer), Petrochemical (Precise dosing of catalysts and additives), Semiconductor Manufacturing (High-purity chemical distribution), Advanced Mechanical Equipment (Precision dispensing, spraying). Processing Difficulties:Reverse engineering and personalized design based on customer's fluid properties, pressure profiles, and life expectancy requirements; Machining plungers/pistons with special length-to-diameter ratios, complex stepped or irregular profiles; Processing high-precision deep holes (pump cylinders) and controlling micron-level dynamic fit tolerances with moving parts; Ensuring cumulative accuracy in multi-component assembly to guarantee overall pump performance; Meeting requirements for special surface treatments (e.g., specific roughness, hydrophilic/hydrophobic coatings). Processing Flow:Customer requirement analysis and technical liaison → Collaborative design (including fluid simulation and stress analysis) → Material selection and powder preparation → Near-net-shape forming (dry pressing, isostatic pressing, injection molding) → Customized sintering process development and implementation → Precision CNC rough machining → Ultra-precision grinding/lapping to design dimensions → Paired machining and selection using dedicated tooling → Customized surface treatment and post-processing → Full dimensional inspection and performance testing (flow, pressure, life simulation) → Cleaning, packaging, and document delivery (including inspection reports, installation guidelines) Delivery Period:Simple custom parts based on existing drawings: 35-60 daysComplex custom projects requiring co-design, mold development, or process validation: 70-120 days (Specific timeline to be determined per technical agreement)

Product Name:Fine-Structured Zirconia Ceramic Plunger Material Introduction We primarily use Yttria-Stabilized Tetragonal Zirconia (Y-TZP) for most pump applications, offering a balanced performance of toughness, wear resistance and cost-effectiveness. For extreme wear, high-temperature or highly corrosive working conditions, we also provide Silicon Carbide (SiC) and Silicon Nitride (Si₃N₄) as material options. Custom material combinations or local reinforcement solutions are available to meet your exact working requirements. Functional Characteristics Compared with metal or plastic parts, our ceramic components feature:     High hardness and extremely low wear rate, greatly extending service life      Excellent corrosion resistance to acids, alkalis, solvents and electrolytes     High mechanical strength and structural rigidity     Low friction coefficient with good self-lubricating properties     Non-magnetic, with no risk of metal ion leaching, suitable for high-purity media     Good thermal stability and compatibility with various mating metal parts Application Industries Fluid Control & Pump Equipment (Chemical, Pharmaceutical, Industrial) Semiconductor Manufacturing Biopharmaceutical & Biotechnology New Energy (Fuel Cells, Lithium Battery Production) Petrochemical Processing Advanced Mechanical Equipment Delivery Period Standard structure high-precision plungers: 55–85 days Custom plungers with complex internal structures, ultra-high length-to-diameter ratios, or special performance requirements (e.g., resistance to specific media): 100–160 days Our fine-structured plunger, made from premium zirconium oxide ceramic, delivers exceptional durability and precision for high-end fluid drive systems. Ideal for engineers requiring advanced industrial ceramic solutions with contamination-free operation. 

Material Introduction This PEEK + zirconia ceramic liquid crystal injection pump is designed for precision dispensing, micro-dosing and clean fluid control. The PEEK body provides chemical resistance and low-friction performance, while zirconia ceramic contact parts offer wear resistance and a smooth working surface. View more related products in our Ceramic Pump Components category. Functional Features PEEK + zirconia ceramic composite structure Good chemical resistance for clean fluid handling Low-friction movement for precision injection Zirconia ceramic contact parts for better wear resistance Custom machining and assembly based on drawings Application Industries Liquid crystal injection and dispensing equipment Precision chemical dosing systems Laboratory fluid control instruments Pharmaceutical preparation equipment Medical device fluid control systems For high-pressure ceramic pump plungers, please refer to our High-Pressure Pump Ceramic Piston / Plunger. Delivery Time Standard samples usually take 30–35 days after drawing confirmation. Customized PEEK + zirconia ceramic pump structures usually take 35–50 days, depending on machining difficulty and quantity.