Orifice Insert / Nozzle: Temperature Range -50°C to 400°C

Component Specifications

Definition

A precision-engineered orifice insert or nozzle is a critical fluid control component within tip assemblies, designed to regulate, direct, and atomize fluid flow through a precisely calibrated aperture. It ensures consistent flow rates, pressure drop, and spray patterns in industrial applications.

Working Principle

Operates on the principle of fluid dynamics, where fluid passes through a precisely sized orifice, creating a controlled pressure drop and flow restriction. The geometry (diameter, length, entry/exit angles) determines flow characteristics, velocity, and atomization quality.

Materials

Stainless steel (AISI 316L, 304), hardened tool steel, tungsten carbide, ceramic (alumina, zirconia), or engineered plastics (PEEK, PTFE) for corrosion/abrasion resistance

Technical Parameters

Parameter	Typical range	Notes & selection driver
Tolerance	±0.005 mm
Surface Finish	Ra 0.2-0.8 μm
Pressure Rating	Up to 5000 psi
Orifice Diameter	0.1-5.0 mm
Temperature Range	-50°C to 400°C
Flow Coefficient (Cv)	0.01-2.5

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 B16.5

Parent Products

This component is used in the following industrial products

Tip Assembly

The terminal component of an injection lance responsible for precise material delivery and flow control.

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Engineering Analysis

Risks & Mitigation

Clogging from particulate contamination
Erosion/corrosion from abrasive/corrosive fluids
Improper installation causing leaks
Thermal expansion affecting tolerances

FMEA Triads

Trigger: Particulate contamination in fluid
Failure: Orifice clogging leading to flow restriction or complete blockage
Mitigation: Install upstream filtration, use self-cleaning designs, implement regular maintenance schedules

Trigger: Abrasive fluid flow
Failure: Erosion of orifice edges, changing flow characteristics over time
Mitigation: Use wear-resistant materials (tungsten carbide, ceramic), design with replaceable inserts, monitor flow rates regularly

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

ISO 2768-mK for general dimensions, ±0.5% for flow coefficient

Test Method

Flow testing per ISO 5167, pressure testing per ASME B31.3, material certification per ASTM/EN standards

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 Insert / Nozzle

Manufacturer profiles associated with Orifice Insert / Nozzle.

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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

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Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What is the difference between an orifice insert and a nozzle?

An orifice insert is typically a simple disc with a precision hole for flow restriction, while a nozzle includes additional features for flow direction, atomization, or spray pattern shaping.

How do I select the right orifice size?

Selection depends on required flow rate, fluid properties, pressure drop, and application. Use flow equations (e.g., Bernoulli's) or manufacturer charts, considering viscosity and desired spray characteristics.

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.

Orifice Insert / Nozzle