Nozzle Body/Orifice: Pressure Range 0.5-100 bar

Component Specifications

Definition

The nozzle body/orifice is a critical fluid dynamics component consisting of a housing (body) and a precisely machined opening (orifice) that converts pressurized liquid into controlled spray patterns. It regulates flow characteristics including velocity, distribution, and atomization through geometric design and dimensional accuracy.

Working Principle

Fluid under pressure enters the nozzle body and accelerates through the constricted orifice, converting pressure energy to kinetic energy. The orifice geometry (diameter, length, shape) determines spray angle, droplet size distribution, and flow rate according to Bernoulli's principle and fluid dynamics equations.

Materials

Stainless steel (AISI 316L, 304), brass (C36000), ceramic (alumina, zirconia), PTFE, or engineered polymers (PEEK, PVDF) selected for chemical compatibility, wear resistance, and temperature tolerance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	0.1-100 L/min at 3 bar
Spray Angle	15-120 degrees
Pressure Range	0.5-100 bar
Surface Finish	Ra ≤ 0.8 μm
Connection Type	NPT, BSP, flange, quick-connect
Orifice Diameter	0.1-10.0 mm

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 2852, DIN 11851, ASME B16.5

Parent Products

This component is used in the following industrial products

Spray Nozzle / Distribution Tray

A component within a deaerator that distributes incoming water as a fine spray over the heating zone to facilitate oxygen removal.

View Product Details

Engineering Analysis

Risks & Mitigation

Orifice erosion changing flow characteristics
Chemical incompatibility causing corrosion
Clogging from particulate contamination
Improper installation causing leaks or misalignment

FMEA Triads

Trigger: Abrasive particles in fluid
Failure: Orifice diameter enlargement beyond tolerance
Mitigation: Install upstream filtration, use hardened materials (ceramic), implement regular dimensional inspection

Trigger: Chemical attack from process fluids
Failure: Corrosion pitting and surface degradation
Mitigation: Material compatibility testing, protective coatings, scheduled replacement based on service life data

Trigger: Improper torque during installation
Failure: Body distortion affecting spray alignment
Mitigation: Use torque wrenches, training on installation procedures, alignment verification tools

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Orifice diameter: ±0.5% of nominal size, Surface finish: Ra 0.4-0.8 μm, Concentricity: ≤0.05 mm TIR

Test Method

Flow rate testing per ISO 5167, spray pattern analysis using laser diffraction, material certification per ASTM standards, pressure testing at 1.5x operating pressure

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 Nozzle Body/Orifice

Manufacturer profiles associated with Nozzle Body/Orifice.

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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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Frequently Asked Questions

What factors determine orifice size selection?

Orifice diameter is calculated based on required flow rate, fluid viscosity, pressure drop, and desired droplet size using fluid dynamics equations, typically with safety factors for wear and clogging.

How does material selection affect nozzle performance?

Materials determine chemical resistance (acids, solvents), abrasion resistance (slurries), temperature limits, and maintenance frequency. Stainless steel offers broad compatibility, ceramics provide extreme wear resistance.

What maintenance is required for nozzle bodies?

Regular inspection for erosion/corrosion, cleaning to prevent clogging, verification of spray patterns, and replacement when orifice tolerances exceed ±5% of original dimensions.

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.

Nozzle Body/Orifice