Gas Inlet Nozzle: Orifice Diameter 10-100 mm

Component Specifications

Definition

A precision-engineered component designed to introduce and distribute gas into a fluidization chamber with controlled velocity and direction, creating optimal fluidization conditions for solid particles. It features specific geometry to minimize pressure drop while ensuring uniform gas distribution across the chamber cross-section.

Working Principle

The nozzle converts high-pressure gas into a controlled, high-velocity stream that enters the fluidization chamber. The geometry (typically convergent-divergent or multi-orifice design) creates turbulent mixing at the particle bed interface, initiating and maintaining fluidization by balancing gas momentum with particle weight and drag forces.

Materials

Stainless steel 316L (ASTM A240), Inconel 625 for high-temperature applications, or ceramic-lined steel for abrasive environments. Surface finish: Ra ≤ 0.8 μm. Maximum operating temperature: 800°C. Pressure rating: 10-50 bar.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Spray Angle	15-90 degrees
Gas Velocity	20-100 m/s
Pressure Drop	0.1-2.0 bar
Connection Type	Flanged (ANSI/ASME B16.5) or threaded (NPT)
Orifice Diameter	10-100 mm
Flow Coefficient (Cv)	5-200

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

Fluidization Chamber

The chamber where fluidization of solid particles occurs through gas flow in a fluidized bed cooler.

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Engineering Analysis

Risks & Mitigation

Erosion from abrasive particles
Corrosion from process gases
Plugging from particle accumulation
Thermal stress cracking
Vibration-induced fatigue failure

FMEA Triads

Trigger: Erosive wear from high-velocity particles
Failure: Increased orifice diameter, reduced flow control, gas bypass
Mitigation: Hard-facing coatings (WC-Co), ceramic inserts, regular inspection schedules

Trigger: Thermal cycling stress
Failure: Crack formation at weld joints, material fatigue
Mitigation: Thermal stress analysis, expansion joints, controlled heating/cooling rates

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm on critical dimensions, ±2% on flow characteristics

Test Method

ASME PTC 19.5 for flow measurement, ASTM E290 for material testing, hydrostatic pressure test at 1.5x design 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

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Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Gas Inlet Nozzle

Manufacturer profiles associated with Gas Inlet 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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Frequently Asked Questions

What is the purpose of the gas inlet nozzle in a fluidization chamber?

The gas inlet nozzle controls the introduction and distribution of gas into the fluidization chamber, creating optimal conditions for solid particle fluidization through controlled velocity, direction, and distribution patterns.

How does nozzle geometry affect fluidization performance?

Nozzle geometry determines gas velocity profiles, pressure drop, and distribution uniformity. Convergent-divergent designs maximize velocity while minimizing pressure loss, while multi-orifice designs improve distribution uniformity across larger chamber cross-sections.

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.

Gas Inlet Nozzle