Editorial Technical Reference

Emulsifier Dosing System

This page explains how Emulsifier Dosing System is classified within Chemical Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A precision dosing system for controlled addition of emulsifiers into hydroxyl emulsion production processes.

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Product Specifications

Technical details and manufacturing context for Emulsifier Dosing System

Definition
The Emulsifier Dosing System is a critical component within Hydroxyl Emulsion production equipment, responsible for the precise measurement, control, and injection of emulsifying agents into the emulsion mixture. It ensures consistent emulsion stability, particle size distribution, and product quality by maintaining accurate emulsifier-to-base ratios throughout the manufacturing process. The system typically consists of storage tanks, precision pumps, flow meters, and control valves that work together under automated control. Emulsifier is drawn from storage, measured volumetrically or gravimetrically, and injected into the emulsion stream at predetermined rates based on process parameters and recipe requirements. Key specifications include a rated flow rate of 0.5–5 m³/h (ISO 5167), dosing accuracy of ±0.5% (ISO 13225), repeatability of ±0.1% (ISO 13225), and operating temperature of 10–80°C (ISO 13709). The system operates on a three-phase power supply of 380 V AC ±10%, 50 Hz (IEC 60038), with power consumption of 1.5–3 kW (IEC 60034). Ingress protection is rated IP54–IP65 (IEC 60529), and wetted parts are made of SS316L (ASTM A240). Control signal is 4–20 mA (IEC 60381), with HART optional. The skid-mounted unit weighs 150–300 kg and has approximate dimensions of 1200×800×1500 mm (L×W×H). Materials on file include Stainless Steel 316L, PTFE seals, and ceramic pump components. These values are reference ranges and must be verified with the legal manufacturer for specific models and applications. Standards listed are procurement references, not certifications of compliance.
Working Principle
The system operates by drawing emulsifier from storage tanks via precision pumps. Flow meters and control valves regulate the flow, and the emulsifier is measured volumetrically or gravimetrically. Under automated control, it is injected into the emulsion stream at rates determined by process parameters and recipe requirements. The control system uses 4–20 mA signals (HART optional) to adjust pump speed and valve positions, ensuring accurate dosing. The system is designed for continuous operation within specified pressure and temperature ranges, with materials selected for corrosion resistance and food-grade compatibility.
Common Materials
Stainless Steel 316L, PTFE Seals, Ceramic Pump Components
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Flow Rate0.5–5 m³/hSelect based on production line capacityISO 5167
Dosing Accuracy±0.5 %Critical for emulsion consistencyISO 13225
Repeatability±0.1 %Ensures batch-to-batch uniformityISO 13225
Operating Temperature10–80 °CAbove 80°C may degrade sealsISO 13709
Power Supply380 V AC ±10%, 50 Hz V/HzThree-phase, other voltages on requestIEC 60038
Power Consumption1.5–3 kWDepends on pump sizeIEC 60034
Ingress ProtectionIP54–IP65IP65 for washdown areasIEC 60529
Material of Wetted PartsSS316LCorrosion-resistant, food-gradeASTM A240
Control Signal4–20 mAAnalog, HART optionalIEC 60381
Weight150–300 kgSkid-mounted unit
Dimensions (L×W×H)1200×800×1500 mmApproximate, varies with configuration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Dosing Pump
    Precisely meters and transfers emulsifier from storage to injection point
    Material: Stainless Steel 316L
  • Flow Meter
    Measures actual emulsifier flow rate for feedback control
    Material: Stainless Steel with Ceramic Rotor
  • Control Valve
    Regulates emulsifier flow based on control signals
    Material: Stainless Steel with PTFE Seats
  • Control Unit
    Processes sensor data and controls dosing parameters
    Material: Aluminum Enclosure with Electronic Components

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
flow rate: 0.1 to 100 L/h
temperature: 5°C to 80°C
Media Compatibility
✓ Hydroxyl emulsions (e.g., polyurethane dispersions) ✓ Aqueous surfactant solutions ✓ Polyol-based chemical additives
Unsuitable: Highly abrasive slurries with particle size >500 microns
Sizing Data Required
  • Required dosing flow rate (L/h)
  • Process pressure at injection point (bar)
  • Emulsifier viscosity and solids content (%)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Pump seal failure
Cause: Chemical incompatibility leading to seal degradation, or improper installation causing misalignment and premature wear
Valve clogging or sticking
Cause: Emulsifier crystallization or buildup due to temperature fluctuations, or contamination from foreign particles in the fluid stream
Maintenance Indicators
  • Irregular or fluctuating dosing flow rates indicated by flow meter readings
  • Unusual noises from pump (cavitation sounds, grinding) or visible leaks around seals/connections
Engineering Tips
  • Implement routine chemical compatibility testing and temperature monitoring to prevent emulsifier phase changes and ensure seal material suitability
  • Establish a preventive maintenance schedule for seal inspection/replacement and install inline filtration to protect valves and pumps from particulate contamination

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/ISA-88.00.01 - Batch Control CE Marking - Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Flow Rate Accuracy: +/- 1% of setpoint
  • Dosing Volume Repeatability: +/- 0.5%
Quality Inspection
  • Pressure Decay Leak Test
  • Calibration Verification with Master Meter
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
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Supplier transparency
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Manufacturers of Emulsifier Dosing System

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Frequently Asked Questions

What is the rated flow rate range of the Emulsifier Dosing System?

The rated flow rate is 0.5–5 m³/h, as per ISO 5167. The specific value should be selected based on production line capacity and confirmed with the manufacturer.

What materials are used for wetted parts?

Wetted parts are made of Stainless Steel 316L (ASTM A240), with PTFE seals and ceramic pump components. These materials are corrosion-resistant and food-grade.

What control signal does the system use?

The control signal is 4–20 mA (IEC 60381), with HART optional. This allows for analog control and integration with process automation systems.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Hydroxyl Emulsion
View system integration details

Industrial Ecosystem & Supply Chain Structure

Specialized Tooling

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Emulsifier Dosing System.

Emulsifier Metering System Emulsifier Injection System

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 13 October 2026

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