Structured Manufacturing Data (2026)

Solenoid/Piezoelectric Actuator

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Solenoid/Piezoelectric Actuator used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Solenoid/Piezoelectric Actuator is characterized by the integration of Coil Assembly and Plunger/Core. In industrial production environments, manufacturers listed on CNFX commonly emphasize Electrical steel laminations construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An electromechanical component that converts electrical signals into precise mechanical motion to control fluid dosing in valves and injectors.

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Product Specifications

Technical details and manufacturing context for Solenoid/Piezoelectric Actuator

Definition
A critical actuation component within dosing valves and injectors that uses either electromagnetic (solenoid) or piezoelectric principles to generate controlled linear or rotary motion. It serves as the primary mechanism for opening, closing, or modulating fluid flow with high precision, enabling accurate metering of liquids or gases in industrial applications.
Working Principle
Solenoid actuators operate by energizing a coil to create a magnetic field that moves a ferromagnetic plunger. Piezoelectric actuators use the inverse piezoelectric effect where applied voltage causes dimensional changes in piezoelectric materials, generating precise displacement. Both convert electrical input into mechanical output to actuate valve mechanisms.
Common Materials
Electrical steel laminations, Copper wire, Piezoelectric ceramics (PZT), Stainless steel housing
Technical Parameters
  • Stroke length - the maximum linear displacement the actuator can produce (mm) Customizable
Components / BOM
  • Coil Assembly
    Generates electromagnetic field when energized in solenoid actuators
    Material: Copper wire with insulation
  • Plunger/Core Part
    Ferromagnetic component that moves in response to magnetic field in solenoid actuators
    Material: Electrical steel
  • Piezoelectric Stack
    Multiple piezoelectric elements that expand/contract with applied voltage in piezo actuators
    Material: Lead zirconate titanate (PZT) ceramics
  • Housing Part
    Protects internal components and provides mounting interface
    Material: Stainless steel or aluminum
  • Return Spring Part
    Returns actuator to default position when de-energized
    Material: Spring steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Solenoid/Piezoelectric Actuator.

Electromagnetic Actuator Piezo Actuator Valve Actuator precision solenoid actuator fluid dosing piezoelectric actuator valve control electromechanical actuator for injectors PZT ceramic solenoid components stainless steel housing actuator BOM

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Dosing Valve / Injector
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 500 bar
flow rate: 0.1 mL/min to 10 L/min
temperature: -40°C to +150°C
slurry concentration: Up to 20% solids by weight
Media Compatibility
✓ Hydraulic oils ✓ Water-based fluids ✓ Chemical solvents
Unsuitable: Abrasive slurries with high particulate content
Sizing Data Required
  • Required flow rate
  • Operating pressure differential
  • Response time/cycle frequency

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Coil burnout or insulation failure
Cause: Overvoltage, excessive duty cycle, or thermal overload due to poor heat dissipation, leading to insulation breakdown and short circuits.
Mechanical binding or sticking
Cause: Contamination ingress (e.g., dirt, moisture), wear of internal components (springs, plunger), or misalignment causing increased friction and restricted movement.
Maintenance Indicators
  • Audible buzzing, humming, or chattering during operation indicating electrical issues or mechanical obstruction.
  • Visible leakage of hydraulic/ pneumatic fluid or erratic/ slow actuation response signaling seal failure or internal damage.
Engineering Tips
  • Implement predictive maintenance using vibration analysis and thermal imaging to detect early signs of coil degradation or mechanical wear before catastrophic failure.
  • Ensure proper environmental protection (IP-rated enclosures, clean/dry air supply) and adhere to manufacturer-specified voltage/ duty cycle limits to prevent electrical and contamination-related failures.

Compliance & Manufacturing Standards

Reference Standards
ISO 13849-1:2015 (Safety of machinery) IEC 60068-2-6:2007 (Vibration testing) CE Marking (EU Machinery Directive 2006/42/EC)
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Parallelism of mounting surfaces: 0.02mm
Quality Inspection
  • Force/stroke curve verification
  • Insulation resistance test (>100 MΩ at 500VDC)

Factories Producing Solenoid/Piezoelectric Actuator

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the key differences between solenoid and piezoelectric actuators in fluid dosing applications?

Solenoid actuators use electromagnetic coils for linear motion, offering high force and speed, while piezoelectric actuators use ceramic stacks for nanometer precision with faster response but lower displacement. Both provide reliable dosing control in valves and injectors.

How does the material selection impact the performance and durability of these actuators?

Electrical steel laminations reduce eddy currents in solenoids, copper wire ensures efficient coil operation, PZT ceramics enable precise piezoelectric effects, and stainless steel housing provides corrosion resistance and structural integrity in harsh industrial environments.

What maintenance considerations are important for solenoid/piezoelectric actuators in machinery manufacturing?

Regular inspection of coil insulation, piezoelectric stack integrity, spring tension, and housing seals is essential. Ensure proper electrical connections and protect against contamination to maintain precise dosing performance and extend service life.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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