Structured Manufacturing Data (2026)

Manifold

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Manifold used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Manifold is characterized by the integration of Inlet port and Distribution chamber. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A fluid distribution component within a slot-die coating head that evenly distributes coating material across the die width.

Product Specifications

Technical details and manufacturing context for Manifold

Definition
The manifold is a critical internal component of a slot-die coating head responsible for receiving coating fluid from the inlet and distributing it uniformly across the entire width of the die slot. It ensures consistent flow rates and pressure to achieve uniform coating thickness on the substrate.
Working Principle
Coating fluid enters the manifold through a central or side inlet. The internal geometry of the manifold (often with a tapered or specially designed flow channel) gradually expands to distribute the fluid across the width. It maintains laminar flow and minimizes pressure variations to deliver a consistent fluid curtain through the die slot.
Common Materials
Stainless steel 316L, Aluminum alloy, PTFE-coated steel
Technical Parameters
  • Manifold width must match the coating die width; typical range from 100mm to 3000mm depending on application. (mm) Customizable
Components / BOM
  • Inlet port Part
    Receives coating fluid from the pump system
    Material: Stainless steel
  • Distribution chamber
    Internal volume where fluid is distributed across width
    Material: Stainless steel or aluminum
  • Flow distribution channels Part
    Guides fluid evenly to the die slot
    Material: Machined metal with polished surfaces

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Manifold.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 bar (1500 psi) maximum operating pressure
flow rate: 0.1 to 100 L/min (depending on manifold size and design)
temperature: Typically -20°C to 200°C (dependent on seal materials)
slurry concentration: Up to 60% solids by weight (varies with particle size and viscosity)
Media Compatibility
✓ Aqueous polymer solutions ✓ Solvent-based coatings ✓ UV-curable resins
Unsuitable: Highly abrasive slurries with large particles (>100 μm)
Sizing Data Required
  • Coating width (mm)
  • Target wet film thickness (μm)
  • Coating material viscosity (cP)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Crevice corrosion
Cause: Stagnant fluid accumulation in low-flow areas or under gaskets, combined with corrosive media or chlorides, leading to localized pitting and material degradation.
Thermal fatigue cracking
Cause: Cyclic thermal stresses from repeated heating/cooling cycles or temperature fluctuations, particularly at welded joints or sharp transitions, causing crack initiation and propagation.
Maintenance Indicators
  • Visible weeping or small leaks at flange connections or welded seams, indicating seal degradation or crack formation.
  • Unusual vibration or audible hammering noises during operation, suggesting flow-induced resonance, water hammer, or internal component failure.
Engineering Tips
  • Implement regular ultrasonic thickness testing at high-risk areas (e.g., bends, welds, outlets) to monitor wall thinning and schedule predictive replacements before failure.
  • Design and maintain proper drainage slopes and avoid dead legs to prevent fluid stagnation, and consider corrosion inhibitors or material upgrades (e.g., duplex stainless steel) for aggressive service environments.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASME B16.5 - Pipe Flanges and Flanged Fittings PED 2014/68/EU - Pressure Equipment Directive (CE marking)
Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Surface flatness: 0.1mm per 100mm
Quality Inspection
  • Hydrostatic Pressure Test
  • Dimensional Verification with CMM

Factories Producing Manifold

Manufacturer profiles with relevant production capability in China

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for the manifold in slot-die coating applications?

Our manifolds are manufactured in stainless steel 316L for corrosion resistance, aluminum alloy for lightweight applications, and PTFE-coated steel for handling corrosive coating materials.

How does the manifold ensure uniform coating distribution?

The manifold features precisely engineered flow distribution channels and a distribution chamber that evenly disperses coating material across the entire die width, preventing streaks and ensuring consistent coating thickness.

What are the key components of the manifold assembly?

The manifold consists of three main components: the distribution chamber for initial material collection, flow distribution channels for even dispersion, and the inlet port for connecting to your coating material supply system.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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