Editorial Technical Reference

Distribution Tray/Manifold

This page explains how Distribution Tray/Manifold 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 evenly distributes fluid to multiple spray nozzles in industrial systems.

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Distribution Tray/Manifold in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Distribution Tray/Manifold

Definition
A distribution tray or manifold is a critical component within spray nozzle systems that receives fluid from a single inlet and distributes it evenly to multiple outlet ports connected to individual spray nozzles. It ensures uniform flow distribution, pressure equalization, and precise fluid delivery across all connected nozzles in applications such as cooling, cleaning, coating, and chemical processing. The manifold is designed to minimize pressure drop variations and prevent preferential flow to certain nozzles, ensuring consistent performance. It is available in materials such as stainless steel, carbon steel, PVC, and polypropylene, with material grades like 304/316L for corrosion resistance. Key parameters include operating pressure (1.0–1.6 MPa), flow rate (10–100 L/min), number of outlets (4–24), inlet connection size (1–4 inch), outlet connection size (1/4–1 inch), operating temperature (-40–120 °C), pressure drop (0.05–0.2 MPa), surface roughness (Ra 0.8–1.6 µm), and weight (5–50 kg). These values are reference ranges and must be verified for the specific model and application. The manifold complies with standards such as ANSI B16.5 for connection dimensions, ASTM A240 for material grade, and ISO 1302 for surface roughness. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
Fluid enters the distribution tray/manifold through a central inlet port. The internal chamber design (often with baffles, channels, or specific geometry) creates uniform pressure distribution throughout the manifold body. This pressure equalization ensures that fluid flows evenly to all outlet ports, regardless of their position along the manifold. The design minimizes pressure drop variations and prevents preferential flow to certain nozzles.
Common Materials
Stainless Steel, Carbon Steel, PVC, Polypropylene
Technical Parameters
ParameterTypical rangeNotes & selection driver
Flow Rate10–100 L/minPer manifold, depending on nozzle count
Number of Outlets4–24Evenly spaced for uniform distribution
Inlet Connection Size1–4 inchFlanged or threadedANSI B16.5
Outlet Connection Size1/4–1 inchThreaded per nozzleANSI B16.5
Material Grade304/316LStainless steel for corrosion resistanceASTM A240
Operating Temperature-40–120 °CFor standard seals; higher with special O-rings
Pressure Drop0.05–0.2 MPaAt rated flow, affects pump sizing
Surface RoughnessRa 0.8–1.6 µmInternal surfaces for cleanabilityISO 1302
Weight5–50 kgDepends on size and material

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 structural component containing fluid distribution channels
    Material: Stainless Steel
  • Inlet Port Part
    Connection point for main fluid supply line
    Material: Stainless Steel
  • Outlet Ports Part
    Multiple connection points for individual spray nozzles
    Material: Stainless Steel
  • Mounting Brackets Part
    Attachment points for securing the manifold to supporting structure
    Material: Carbon Steel
  • Baffles Optional
    Even out the pressure inside the manifold so every nozzle gets the same flow.

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (150 psi)
flow rate: 0.5 to 50 m³/h
temperature: -20°C to 150°C
slurry concentration: Up to 20% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Chemical solutions (pH 3-10) ✓ Food-grade liquids
Unsuitable: Highly abrasive slurries with >20% solids or corrosive acids (pH <2)
Sizing Data Required
  • Total system flow rate (m³/h)
  • Number of spray nozzles required
  • Required pressure drop across manifold (bar)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced leakage
Cause: Chemical attack from process fluids or environmental exposure, leading to material degradation and loss of containment integrity.
Fatigue cracking at weld joints
Cause: Cyclic thermal expansion/contraction or mechanical vibration causing stress concentration and eventual fracture initiation.
Maintenance Indicators
  • Visible weeping or drips at connections indicating seal failure
  • Unusual audible hissing or whistling suggesting flow restriction or internal damage
Engineering Tips
  • Implement regular ultrasonic thickness testing at high-stress areas to monitor material loss trends
  • Install expansion loops or flexible connectors to absorb thermal movement and reduce weld stress

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
ASME B31.3 Process Piping EN 10204:2004 Metallic Products - Types of Inspection Documents

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Surface Flatness: 0.1mm per meter
Quality Inspection
  • Hydrostatic Pressure Test
  • Dimensional Verification with CMM
Technical documentation
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Manufacturing capability
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Inspection readiness
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Manufacturers of Distribution Tray/Manifold

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Frequently Asked Questions

What is the primary function of a distribution tray/manifold?

It receives fluid from a single inlet and distributes it evenly to multiple outlet ports connected to spray nozzles, ensuring uniform flow and pressure across all nozzles.

What materials are available for this component?

Stainless steel, carbon steel, PVC, and polypropylene. Stainless steel grades 304/316L are common for corrosion resistance.

What are typical operating pressure and temperature ranges?

Operating pressure is typically 1.0–1.6 MPa, and operating temperature ranges from -40 to 120 °C. These are reference values; verify for your specific model.

How do I verify that a manifold meets my requirements?

Check the manufacturer's datasheet for parameters like flow rate, number of outlets, connection sizes, and pressure drop. Confirm compliance with relevant standards such as ANSI B16.5 and ASTM A240.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Spray Nozzle / Distribution Tray
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

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

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.

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 · Page last updated 12 October 2026

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