Structured Manufacturing Data (2026)

Flow Sensor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Flow Sensor 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 Flow Sensor is characterized by the integration of Sensor Element/Probe and Housing/Body. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (wetted parts) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A device that measures the flow rate of liquid fertilizer in a precision injection system.

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Product Specifications

Technical details and manufacturing context for Flow Sensor

Definition

A critical component within the Precision Liquid Fertilizer Injection System that continuously monitors and measures the volumetric or mass flow rate of liquid fertilizer as it moves through the distribution lines. It provides real-time data essential for maintaining precise application rates, ensuring accurate dosing, and enabling automated control of the injection process.

Working Principle

Typically operates by measuring the physical effect of the moving fluid (e.g., using a turbine, ultrasonic waves, thermal dispersion, or a differential pressure across an orifice) and converting this measurement into an electrical signal proportional to the flow rate. This signal is transmitted to the system's control unit for processing and feedback.

Common Materials

Stainless Steel (wetted parts), Polymers (housing/seals), Electronic components (sensor element, PCB)

Technical Parameters

Flow rate measurement range and accuracy (L/min or GPM) Customizable

Components / BOM

Sensor Element/Probe Part
Directly interacts with the fluid to detect flow (e.g., turbine blade, ultrasonic transducer, thermal sensor)

Material: Stainless steel, ceramic, or specialized polymer
Housing/Body Part
Encases the sensor element and provides connection points to the fluid line

Material: Stainless steel, brass, or engineered plastic
Signal Transmitter/Converter
Converts the raw sensor signal into a standardized output signal for the control system

Material: Electronic components on a PCB within a sealed enclosure

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Flow Sensor.

Applied To / Applications

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

Precision Flow Controller

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Process Analytics

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Flow Controller

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Mass Flow Controller (MFC)

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Precision Metering Assembly

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Precision Mass Flow Controller (MFC)

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Gas Flow Controller

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Sampling System (for aspirated detectors)

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	0 to 10 bar
flow rate:	0.1 to 100 L/min
temperature:	0°C to 80°C
slurry concentration:	Up to 20% solids by weight

Media Compatibility

✓ Liquid fertilizers (ammonium nitrate, urea solutions) ✓ Water-based nutrient solutions ✓ Agricultural chemical mixtures with pH 4-9

Unsuitable: Abrasive slurries with high particulate content (>20% solids or particles >200 microns)

Sizing Data Required

Required flow rate range (minimum and maximum)
Pipe diameter and connection type
Required accuracy and response time

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Sensor drift

Cause: Accumulation of debris or scaling on sensing elements, or electronic component degradation due to temperature fluctuations and aging

Mechanical obstruction

Cause: Build-up of particulate matter or biological growth within the flow path, or physical damage from foreign objects in the fluid stream

Maintenance Indicators

Erratic or inconsistent flow readings compared to system expectations
Audible clicking, grinding, or unusual vibrations from the sensor housing

Engineering Tips

Implement regular calibration schedules and install upstream filtration to protect sensing elements from contaminants
Ensure proper installation with adequate straight pipe runs before and after the sensor to maintain laminar flow conditions

Compliance & Manufacturing Standards

Reference Standards

ISO 5167: Measurement of fluid flow by means of pressure differential devices ANSI/ASME MFC-3M: Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi DIN EN 60534-2-1: Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions

Manufacturing Precision

Flow rate accuracy: +/-1.5% of reading
Pressure rating: +/-5% of specified maximum operating pressure

Quality Inspection

Leak test: Pressure decay or bubble emission test per ISO 15848
Calibration verification: Flow loop comparison against NIST-traceable standards

Factories Producing Flow Sensor

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.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 the wetted parts of this flow sensor?

The wetted parts are constructed from stainless steel for corrosion resistance and durability when measuring liquid fertilizer flow.

How does this flow sensor integrate with precision injection systems?

The sensor provides accurate flow rate data to control systems, enabling precise fertilizer dosing and injection in agricultural machinery.

What maintenance is required for this flow sensor?

Minimal maintenance is needed due to stainless steel construction and polymer seals. Periodic calibration checks are recommended for optimal accuracy.

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.

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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