Structured Manufacturing Data (2026)

Filling Nozzle Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Filling Nozzle Assembly used in the Electrical Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Filling Nozzle Assembly is characterized by the integration of Nozzle Body/Housing and Nozzle Tip/Orifice. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision assembly that controls the dispensing of electrolyte into battery cells during the filling process.

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Product Specifications

Technical details and manufacturing context for Filling Nozzle Assembly

Definition
The Filling Nozzle Assembly is a critical component of the Electrolyte Filling System, responsible for the accurate, controlled, and leak-free transfer of liquid electrolyte from the supply system into individual battery cells. It ensures precise volumetric dosing and prevents contamination or spillage.
Working Principle
The assembly connects to the electrolyte supply line. A valve mechanism within the assembly opens to allow pressurized electrolyte to flow through the nozzle tip into the cell. The flow is precisely controlled by the system's PLC based on set volume parameters, after which the valve closes to seal the line.
Common Materials
Stainless Steel (316L), Fluoropolymer (e.g., PTFE, PFA), Ceramic
Technical Parameters
  • Nozzle tip outer diameter and inner bore diameter, critical for fitting into cell fill ports and controlling flow. (mm) Customizable
Components / BOM
  • Nozzle Body/Housing Part
    Main structural component that houses internal parts and provides connection points.
    Material: Stainless Steel
  • Nozzle Tip/Orifice Part
    Precision-machined end piece that directs electrolyte flow into the cell; often replaceable.
    Material: Stainless Steel or Ceramic
  • Solenoid Valve
    Electrically actuated valve that opens/closes to start/stop electrolyte flow.
    Material: Stainless Steel, Fluoropolymer Seals
  • Seals/Gaskets Part
    Ensure leak-proof connections between components and at the cell interface.
    Material: Fluoropolymer (e.g., PTFE, Viton)
  • Sensor Port (optional) Part
    Port for integrating sensors (e.g., pressure, drip) for process monitoring.
    Material: Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Filling Nozzle Assembly.

precision electrolyte filling nozzle assembly battery cell filling nozzle with solenoid valve stainless steel PTFE filling nozzle for batteries automated electrolyte dispensing nozzle assembly ceramic tip filling nozzle for battery manufacturing

Applied To / Applications

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

Electrolyte Filling System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-5 bar
flow rate: 0.1-10 mL/s
temperature: -20°C to 80°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Lithium-ion battery electrolyte ✓ Aqueous electrolyte solutions ✓ Polymer gel electrolytes
Unsuitable: Highly abrasive slurries with >60% solids content
Sizing Data Required
  • Required flow rate (mL/s)
  • Electrolyte viscosity (cP)
  • Nozzle tip diameter requirement (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity flow of particulate-laden fluids causing material wear at critical sealing surfaces and internal passages.
Cavitation
Cause: Rapid pressure drops below fluid vapor pressure, forming and collapsing vapor bubbles that create localized pitting and material fatigue.
Maintenance Indicators
  • Irregular spray pattern or flow deviation from design specifications
  • Unusual vibration or audible knocking during operation
Engineering Tips
  • Implement inline filtration to reduce particulate concentration in process fluids
  • Maintain operating pressure above fluid vapor pressure threshold and avoid sudden pressure drops

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI B16.5 - Pipe Flanges and Flanged Fittings DIN 11851 - Nozzles for the Food Industry
Manufacturing Precision
  • Bore Diameter: +/-0.02mm
  • Surface Flatness: 0.1mm per 100mm
Quality Inspection
  • Dye Penetrant Test for Surface Defects
  • Pressure Test for Leakage (Hydrostatic/Pneumatic)

Factories Producing Filling Nozzle Assembly

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 materials are used in this filling nozzle assembly and why?

The assembly uses 316L stainless steel for corrosion resistance, fluoropolymers like PTFE/PFA for chemical inertness against electrolytes, and ceramic for wear resistance at the orifice, ensuring long service life in harsh battery manufacturing environments.

How does the solenoid valve in this assembly improve filling accuracy?

The integrated solenoid valve provides precise on/off control of electrolyte flow, enabling consistent dispensing volumes and preventing drips or overfilling, which is critical for battery performance and manufacturing efficiency.

Can this nozzle assembly handle different electrolyte types and viscosities?

Yes, the combination of 316L stainless steel, fluoropolymer seals, and ceramic components makes it compatible with various electrolyte chemistries and viscosities commonly used in lithium-ion, lead-acid, and other battery types.

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 Electrical 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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