Metering Valve/Pump for Compound Applicators

Product Specifications

Technical details and manufacturing context for Metering Valve/Pump

Definition

The metering valve/pump is a critical component of compound applicators that ensures precise volumetric control of adhesives, sealants, coatings, or other compounds during application processes. It functions as the dosing mechanism that regulates flow rates and maintains consistent material delivery according to preset parameters. This component is designed for use in machinery and equipment manufacturing, specifically within systems that require accurate dispensing of multi-component or single-component materials. The metering valve/pump operates through mechanical displacement (piston, diaphragm, or gear mechanisms) or pressure regulation to extract, measure, and dispense precise volumes of compound. Typically controlled by electronic or pneumatic systems that coordinate with the applicator's overall operation cycle, it ensures that the correct amount of material is applied at the right time and location. Key specifications include a flow rate adjustable from 0.5 to 5 L/min, metering accuracy of ±0.5%, and repeatability of ±0.1% under constant conditions. The operating pressure range is 1.0–1.6 MPa, with a maximum pressure of 2.5 MPa. Fluid temperature should be maintained between 5 and 80°C, while ambient temperature for control electronics is 0–50°C. The viscosity range is 1–10000 mPa·s, and higher viscosities may require pressure boost. Supply voltage is 24 V DC (±10%), with typical power consumption of 12 W. Ingress protection ranges from IP54 to IP65 (per IEC 60529), suitable for washdown environments. Body material is 316L stainless steel (per ASTM A276), and seal material is PTFE for chemical compatibility. The approximate weight is 2.5 kg. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The metering valve/pump is available in materials such as stainless steel, PTFE, and ceramic, ensuring corrosion resistance and compatibility with various compounds. Proper selection requires consideration of fluid properties, required flow rate, pressure, and temperature. Regular maintenance and verification of parameters are essential to ensure accurate and reliable operation.

Working Principle

The metering valve/pump operates through mechanical displacement or pressure regulation to extract, measure, and dispense precise volumes of compound. Mechanical displacement mechanisms include piston, diaphragm, or gear designs that physically move a defined volume per cycle. Pressure regulation systems control flow by maintaining a constant pressure differential across an orifice or valve. The device is typically actuated by electronic or pneumatic signals that synchronize with the applicator's cycle, ensuring accurate dosing. The control system adjusts the displacement or pressure to achieve the desired flow rate and volume. The metering accuracy and repeatability are maintained through precise machining and calibration. The valve/pump is designed to handle a range of viscosities and pressures, with materials selected for chemical compatibility and durability. The working principle ensures consistent material delivery, which is critical for applications requiring uniform coating or bonding.

Common Materials

Stainless Steel, PTFE (Polytetrafluoroethylene), Ceramic

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	0.5–5 L/min	Adjustable per application
Metering Accuracy	±0.5 %	Of set value
Repeatability	±0.1 %	Under constant conditions
Operating Pressure	1.0–1.6 MPa	Below 1.0 MPa seat load insufficientISO 5208
Max Pressure	2.5 MPa	Do not exceed
Fluid Temperature	5–80 °C	Higher may damage seals
Ambient Temperature	0–50 °C	For control electronics
Viscosity Range	1–10000 mPa·s	Higher viscosity may require pressure boost
Supply Voltage	24 ±10% V DC	For solenoid actuation
Power Consumption	12 W	Typical
Ingress Protection	IP54–IP65	IP65 for washdownIEC 60529
Body Material	316L	Corrosion resistantASTM A276
Seal Material	PTFE	Chemical compatible
Weight	2.5 kg	Approximate

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

Piston/Cylinder Assembly
Creates displacement for precise volume measurement and fluid movement

Material: Stainless Steel or Ceramic
Seals/Gaskets Part
Prevents leakage and maintains pressure integrity

Material: PTFE or Viton
Drive Mechanism
Provides mechanical force for piston/diaphragm movement (electric motor, pneumatic actuator, or stepper motor)

Material: Steel/Aluminum Alloy
Control Valve
Regulates fluid intake and discharge timing

Material: Stainless Steel
Diaphragm Optional
Displaces the dose without a sliding seal on diaphragm builds — nothing rubs the compound.
Metering Gears Optional
Meter by tooth volume per revolution on gear-pump builds.

Applied To / Applications

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

Compound Applicator

View system integration details

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Frequently Asked Questions

What is the function of a metering valve/pump in a compound applicator?

The metering valve/pump ensures precise volumetric control of compounds such as adhesives, sealants, or coatings. It measures and dispenses specific volumes according to preset parameters, maintaining consistent material delivery during application.

What are the key specifications to consider when selecting a metering valve/pump?

Key specifications include flow rate (0.5–5 L/min), metering accuracy (±0.5%), repeatability (±0.1%), operating pressure (1.0–1.6 MPa), maximum pressure (2.5 MPa), fluid temperature (5–80°C), viscosity range (1–10000 mPa·s), and supply voltage (24 V DC). Always verify these values for your specific model and application with the manufacturer.

What materials are commonly used for the metering valve/pump?

Common materials include stainless steel (e.g., 316L), PTFE, and ceramic. These materials provide corrosion resistance and chemical compatibility with various compounds. The body material is typically 316L stainless steel, and seals are made of PTFE.

How should the metering valve/pump be maintained to ensure accurate operation?

Regular maintenance includes checking for wear on seals and moving parts, verifying calibration, and ensuring that operating parameters (pressure, temperature, viscosity) are within specified ranges. Follow the manufacturer's guidelines for cleaning and servicing. If performance deviates, inspect for blockages or damage.

Data Basis

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

Preliminary Technical Classification

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pressure:	0 to 100 bar
flow rate:	0.1 to 500 mL/min
temperature:	-20°C to 150°C
slurry concentration:	Up to 40% solids by weight

Metering Valve/Pump

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards