Industry-Verified Manufacturing Data (2026)

Orifice Plate/Insert

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Orifice Plate/Insert 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 Orifice Plate/Insert is characterized by the integration of Orifice Bore and Plate Body. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision component with a calibrated opening that controls and meters fluid flow within a steam or spray nozzle assembly.

View Full Specifications Explore Manufacturing Sources

Product Specifications

Technical details and manufacturing context for Orifice Plate/Insert

Definition
The orifice plate/insert is a critical flow control element within steam nozzles and spray nozzles. It is a thin plate or insert with a precisely machined hole (orifice) that creates a restriction in the flow path. This restriction causes a pressure drop across the plate, which is used to measure, regulate, or atomize the flow of steam or liquid. In spray nozzles, it helps determine the flow rate and influences the spray pattern and droplet size.
Working Principle
Fluid (steam or liquid) is forced through the calibrated orifice in the plate. The constriction accelerates the fluid, converting pressure energy into kinetic energy. This creates a measurable pressure differential (ΔP) between the upstream and downstream sides. According to Bernoulli's principle and flow equations, this pressure drop is proportional to the square of the flow rate, allowing for flow measurement, control, or, in the case of spray nozzles, aiding in liquid atomization.
Common Materials
Stainless Steel (e.g., 304, 316), Hastelloy, Titanium, Ceramic
Technical Parameters
  • Orifice diameter (bore size), plate thickness, and outer dimensions. (mm) Standard Spec
Components / BOM
  • Orifice Bore
    The precisely machined hole that meters and controls the fluid flow.
    Material: Same as plate base material
  • Plate Body
    The structural base that holds the orifice and seals within the nozzle housing.
    Material: Stainless Steel, Hastelloy, etc.
  • Sealing Surface
    The machined face(s) that create a leak-proof seal against the nozzle body or gaskets.
    Material: Same as plate body, often with specific finish
Engineering Reasoning
0.5-100 bar differential pressure, 0-250°C fluid temperature
Material yield strength exceeded at 275 MPa stress, or erosion rate exceeds 0.1 mm/year
Design Rationale: Cavitation-induced pitting at vapor pressure threshold (0.023 bar at 20°C water), or erosion-corrosion synergy at flow velocities >15 m/s
Risk Mitigation (FMEA)
Trigger Solid particle impingement from contaminated fluid stream
Mode: Orifice edge erosion leading to flow coefficient deviation >2% from calibrated value
Strategy: Installation of 10-micron upstream filtration with differential pressure monitoring
Trigger Thermal cycling between 50°C and 200°C exceeding 1000 cycles
Mode: Thermal fatigue cracking initiating at stress concentration points
Strategy: Material selection of 316L stainless steel with controlled grain structure (ASTM E112 grain size 5-8)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Orifice Plate/Insert.

stainless steel orifice plate for steam nozzles precision orifice insert flow control Hastelloy orifice plate chemical resistance custom orifice bore calibration services ceramic orifice insert high temperature applications

Applied To / Applications

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

Steam Nozzle / Spray Nozzle
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 6000 psi (413 bar)
flow rate: 0.1 to 1000 GPM (0.38 to 3785 L/min)
temperature: -50°C to 400°C
slurry concentration: Not recommended for slurries >5% solids by weight
Media Compatibility
✓ Steam (saturated/superheated) ✓ Water (clean/treated) ✓ Compressed air/dry gases
Unsuitable: Abrasive slurries with high particulate content
Sizing Data Required
  • Required flow rate (mass or volumetric)
  • Upstream pressure and pressure drop (ΔP)
  • Fluid properties (density, viscosity, temperature)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Erosion
Cause: High-velocity flow of abrasive particles in the fluid stream, leading to gradual material loss and altered flow characteristics.
Cavitation
Cause: Pressure drop across the orifice causing vapor bubble formation and subsequent implosion, resulting in pitting and material fatigue.
Maintenance Indicators
  • Unusual whistling or hissing noise from the orifice plate assembly
  • Visible distortion, pitting, or thinning of the plate edge during inspection
Engineering Tips
  • Select orifice plate material (e.g., hardened stainless steel, ceramic) based on fluid abrasiveness and corrosion potential
  • Install upstream strainers/filters to reduce particulate loading and maintain proper upstream/downstream straight pipe lengths to minimize turbulence

Compliance & Manufacturing Standards

Reference Standards
ISO 5167: Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full ANSI/ASME MFC-3M: Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi DIN 1952: Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
Manufacturing Precision
  • Bore diameter: +/-0.05% of nominal bore size
  • Flatness: 0.1 mm per 100 mm diameter
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Dye penetrant testing for surface defects

Factories Producing Orifice Plate/Insert

Verified manufacturers with capability to produce this product in China

Add your factory

✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Jan 08, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Procurement Specialist from Singapore Jan 05, 2026
★★★★☆
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Orifice Plate/Insert meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Jan 02, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Orifice Plate/Insert arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Orifice Plate/Insert from Germany (42m ago).

Supply Chain Compatible Machinery & Devices

Heavy-Duty CNC Plasma Cutting Machine

Industrial machine for precision metal cutting using plasma arc technology

Explore Specs →
Automated Assembly Line System

Integrated production system for sequential component assembly operations

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

Rotating component that transfers energy to fluid in centrifugal pumps.

Explore Specs →

Frequently Asked Questions

What materials are best for corrosive fluid applications?

For corrosive environments, Hastelloy (C-276, C-22) and titanium orifice plates offer superior chemical resistance compared to standard stainless steel grades.

How is orifice bore size calibrated for specific flow rates?

Orifice bore calibration involves precise machining based on fluid properties, pressure differentials, and desired flow rates, following standards like ASME MFC-14M for accurate metering.

Can orifice plates be customized for high-temperature steam applications?

Yes, we manufacture high-temperature orifice plates using materials like ceramic or specialized alloys with appropriate sealing surfaces to withstand steam temperatures up to 1000°F (538°C).

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

Get Quote for Orifice Plate/Insert

Request technical pricing, lead times, or customized specifications for Orifice Plate/Insert directly from verified manufacturing units.

Your business information is encrypted and only shared with verified Orifice Plate/Insert suppliers.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Orifice Plate/Insert?

Connect with verified factories specializing in this product category

Add Your Factory Contact Us
Previous Product
Orifice Plate
Next Product
Oscillating Blade Assembly