Editorial Technical Reference

Distribution Manifold & Tubing

This page explains how Distribution Manifold & Tubing is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A component that distributes purge air through multiple outlets in a controlled manner

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Product Specifications

Technical details and manufacturing context for Distribution Manifold & Tubing

Definition
The Distribution Manifold & Tubing is a component of a purge air system. It receives compressed air from a main supply and distributes it through multiple tubing branches to various points in the system. The manifold body has a single inlet port and multiple outlet ports. Its internal design aims to maintain consistent pressure across all outlets while minimizing pressure drop. Tubing connects these outlets to system components, enabling controlled air distribution for purging applications.

Typical configurations include operating pressures from 1.0 to 1.6 MPa, with 4 to 12 outlets, outlet spacing from 50 to 200 mm, and tube outer diameters from 6 to 12 mm (per ISO 1127). Flow rate per outlet ranges from 10 to 50 L/min at 1.0 MPa inlet pressure. Operating temperature range is -20 to 80 °C in non-condensing environments. Materials commonly used include stainless steel (grade 304 per ASTM A240), aluminum, and brass. Connections are BSPP threads (G1/4 to G1/2 per ISO 228-1). Weight varies from 0.5 to 2.5 kg depending on configuration. Surface finish is Ra ≤ 0.8 μm (per ISO 1302) for clean applications.

These values are reference ranges and must be verified for the specific model and application. Standards listed are procurement references, not proof of certification. Always confirm model-specific parameters and compliance with the legal manufacturer or supplier before selection or installation.
Working Principle
Compressed air enters the manifold body through a single inlet port. Inside, the air is divided into multiple outlet ports. The manifold's internal design maintains consistent pressure across all outlets while minimizing pressure drop. Tubing connects these outlets to various system components, allowing controlled air distribution for purging applications. The number of outlets, spacing, and tube diameter affect flow distribution and pressure consistency. Proper selection of these parameters ensures effective purging.
Common Materials
Stainless Steel, Aluminum, Brass
Technical Parameters
ParameterTypical rangeNotes & selection driver
Number of Outlets4–12 portsCustomizable per application
Outlet Spacing50–200 mmUniform spacing for balanced flow
Tube Outer Diameter6–12 mmCompatible with standard fittingsISO 1127
Flow Rate per Outlet10–50 L/minAt 1.0 MPa inlet pressure
Operating Temperature-20–80 °CNon-condensing environment
Material304 stainless steelCorrosion-resistantASTM A240
Connection TypeG1/4–G1/2 threadBSPP threadsISO 228-1
Weight0.5–2.5 kgDepends on configuration
Surface FinishRa ≤ 0.8 μmFor clean applicationsISO 1302

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

Components / BOM
  • Manifold Body
    Main housing that receives and distributes air flow
    Material: Stainless Steel
  • Inlet Port Part
    Connection point for main air supply
    Material: Brass
  • Outlet Ports Part
    Multiple connection points for tubing distribution
    Material: Brass
  • Tubing Connectors Part
    Fittings that secure tubing to manifold ports
    Material: Stainless Steel
  • Distribution Tubing Part
    Flexible or rigid piping that carries air to system components
    Material: Polyurethane

Applied To / Applications

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

Purge Air System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar (g)
flow rate: Up to 500 L/min total
temperature: -20°C to +80°C
slurry concentration: Not recommended for abrasive slurries >5% solids by weight
Media Compatibility
✓ Clean dry air ✓ Inert gases (N2, Ar) ✓ Non-corrosive process gases
Unsuitable: Corrosive chemicals or high-particulate slurries
Sizing Data Required
  • Total required purge flow rate (L/min)
  • Number of outlet ports needed
  • Maximum allowable pressure drop across manifold

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic pressure fluctuations or vibration from pumps/compressors leading to stress concentration at welds, bends, or connections
Corrosion-induced leakage
Cause: Chemical incompatibility between fluid/media and manifold/tubing material, exacerbated by temperature variations and stagnant flow conditions
Maintenance Indicators
  • Visible weeping or droplet formation at joints/fittings indicating seal degradation
  • Audible hissing or whistling sounds suggesting gas leaks or flow restriction from internal damage
Engineering Tips
  • Implement pulsation dampeners or flexible couplings to absorb vibration and reduce cyclic stress on rigid connections
  • Use corrosion coupons or inline sensors for real-time material degradation monitoring, and establish preventive replacement schedules based on corrosion rates

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 12151-1: Hydraulic fluid power - Quick-action couplings - Part 1: Couplings for use with hoses ANSI B31.3: Process Piping DIN 2353: Tube fittings with 24° cone

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Flatness of sealing surfaces: 0.1mm
Quality Inspection
  • Pressure test: 1.5x working pressure for 30 minutes
  • Dimensional verification with CMM (Coordinate Measuring Machine)

Manufacturers of Distribution Manifold & Tubing

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Frequently Asked Questions

What is the operating pressure range for this manifold?

The reference operating pressure range is 1.0 to 1.6 MPa. However, the actual allowable pressure depends on the specific model and materials. Always verify with the manufacturer.

How many outlets can the manifold have?

The number of outlets typically ranges from 4 to 12, but it can be customized per application. The exact number should be confirmed based on system requirements.

What materials are available?

Common materials include stainless steel (grade 304 per ASTM A240), aluminum, and brass. The choice depends on corrosion resistance and application needs.

What connection types are used?

Connections are BSPP threads, sizes G1/4 to G1/2, per ISO 228-1. Ensure compatibility with your system's fittings.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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