INDUSTRY COMPONENT

Orifice Plate

Precision orifice plate for beverage carbonation systems controlling CO2 flow and bubble size.

Component Specifications

Definition
A calibrated orifice plate is a critical flow-restricting component in precision beverage carbonation nozzles, designed to create a pressure differential that meters carbon dioxide (CO2) injection into liquids. It features a precisely machined aperture that controls gas flow rate, bubble nucleation size, and dissolution efficiency during carbonation processes. Engineered for food-grade applications, it ensures consistent beverage quality by maintaining exact carbonation levels while preventing over-pressurization.
Working Principle
Operates on the Bernoulli principle and orifice flow equations, where gas passing through the restricted aperture accelerates, creating a pressure drop (ΔP) proportional to flow rate. This controlled restriction: 1) Meters CO2 volume per time unit, 2) Generates fine bubble streams through shear forces at the aperture edge, 3) Maintains stable downstream pressure for consistent carbonation. The plate's thickness-to-diameter ratio and edge geometry determine flow characteristics and bubble size distribution.
Materials
316L stainless steel (food-grade, corrosion-resistant), with optional PEEK or PTFE coatings for chemical inertness. Surface finish: Ra ≤ 0.8 μm. Hardness: 150-200 HV. Complies with FDA 21 CFR and EU 10/2011 for food contact.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Thickness1.5-3.0 mm
Pressure RatingUp to 10 bar
Aperture Diameter0.2-1.5 mm (±0.01 mm tolerance)
Temperature Range-10°C to 80°C
Bubble Size Generated50-200 μm
Flow Coefficient (Cv)0.05-0.3

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

Standards
ISO 5167, DIN 1952, ASME B31.3

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Aperture clogging from mineral deposits
  • Corrosion from acidic beverages
  • Fatigue cracking from pressure cycling
  • Improper installation causing leaks
FMEA Triads
Trigger: Mineral scale buildup from hard water
Failure: Reduced flow rate and inconsistent carbonation
Mitigation: Install upstream water softeners, implement regular acid cleaning cycles
Trigger: Cyclic pressure stress
Failure: Fatigue cracks around aperture edge
Mitigation: Use stress-relieved materials, design with radiused aperture edges, implement pressure surge protection
Trigger: Improper gasket seating during installation
Failure: CO2 leakage and pressure loss
Mitigation: Use alignment pins, torque-controlled installation, and leak-test protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Aperture diameter: ±0.01 mm, Flatness: 0.005 mm, Surface roughness: Ra ≤ 0.8 μm
Test Method
Flow calibration per ISO 5167 using water/CO2, bubble size analysis via high-speed imaging, material certification per ASTM A240

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Orifice Plate

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Sino-Inst
Shanxi, CN
Also makes: Level Transmitter, Paddle Wheel, Flow Meter and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources

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

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Frequently Asked Questions

How does orifice plate aperture size affect carbonation?

Smaller apertures (0.2-0.5 mm) create higher pressure drops and finer bubbles for rapid dissolution, ideal for still beverages. Larger apertures (0.8-1.5 mm) allow higher flow rates for pre-carbonated liquid topping.

What maintenance is required for carbonation orifice plates?

Monthly inspection for mineral deposits or corrosion, cleaning with food-grade citric acid solutions, and annual calibration check using flow meters. Replace if aperture deformation exceeds 5% of specified diameter.

Can orifice plates be used with different gas types?

Yes, but flow characteristics change with gas density. Recalibration is needed when switching between CO2, N2, or mixed gases. Material compatibility must be verified for each gas type.

Data Basis

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

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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