Servo-driven, milligram-level ceramic valveless metering pump

Servo-Driven, Milligram-Level Ceramic Valveless Metering Pump — Product Specification & Description

1. Product Overview

The Servo-Driven, Milligram-Level Ceramic Valveless Metering Pump combines high-torque closed-loop servo control with precision valveless ceramic pumping technology. Designed for ultra-precise liquid dispensing, this system eliminates internal check valves, elastomeric seals, and dynamic packings. By utilizing continuous 360° rotation paired with axial stroke displacement of a sapphire-grade ceramic piston, it provides milligram-level dosing accuracy, high-speed repeatability, and pulse-free micro-fluidic delivery for automated production lines.

2. Key Features & Advantages

• Closed-Loop Servo Drive: High-resolution servo motor integration with absolute encoders allows real-time speed, position, and torque monitoring for instant volume adjustments and dynamic flow profiling.

• Valveless Positive Displacement: Eliminates check valves and springs, preventing mechanical jamming, valve lag, clogging, and backflow when pumping viscous or abrasive fluids.

• Milligram-Level Precision: Achieves dispensing volumes as low as 0.1 mg with exceptional volumetric accuracy ($le pm0.3%$) and repeatability ($le 0.15%$).

• Wear-Resistant Ceramic Fluid Path: Sapphire-grade zirconia ($ZrO_2$) or alumina ($Al_2O_3$) piston and sleeve assemblies feature tight clearance fits ($le 2mutext{m}$), providing self-lubricating, non-galling operation for tens of millions of cycles.

• Wide Chemical & Temperature Range: Inert ceramic wetted components resist harsh acids, alkalis, organic solvents, and high-temperature bio-fluids without leaching ions or shedding particulates.

3. Technical Specifications

Henan ZG Industrial Products Co. Ltd. was founded by specialists of leading industrial institutes in Zhengzhou city, China in 2007.
Our company manufactures, complex develops, supplies, introduces and upgrades products from technical ceramics, heating elements and graphite. We provide services for the manufacture, repair and renovation of special high-temperature equipment as well. In addition, our company provides services for R&D, analytical research within our specialization.
We have established contacts with the world’s leading and domestic manufacturers of ceramic and heating elements, leading industry institutes and track all the latest trends in this field.
The introduction of ceramic and heating elements in production requires a special study of each case, taking into account technological and market nuances. The specialists of our company have all the necessary experience for the most complete solution of the customer’s problem and developing an optimal offer.
Among our customers are chemical, petrochemical, oil refining, oil and gas, mining, mining and concentrating, paper, metallurgy, power, electrical, electronic, glass and other industries.
We will be glad to answer all your questions.