Baffle Plate/Vanes: Plate Thickness 1.5-6 mm

Component Specifications

Definition

Baffle plates, also known as vanes, are structural elements installed within moisture separators to alter the flow path of gas streams containing liquid droplets. They create turbulence or directional changes that force droplets to impinge on surfaces, coalesce, and drain away from the gas flow, thereby improving separation performance in industrial systems.

Working Principle

Baffle plates operate on inertial separation principles. As gas flows through the separator, the plates change flow direction abruptly. Liquid droplets, due to their higher inertia compared to gas molecules, cannot follow the rapid turns and collide with the plate surfaces. These droplets then coalesce and drain by gravity, while the cleaned gas continues through the system.

Materials

Typically constructed from corrosion-resistant materials: stainless steel (AISI 304, 316), aluminum alloys, or coated carbon steel. Material selection depends on operating temperature, pressure, and chemical compatibility with process fluids.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Surface Finish	Ra ≤ 3.2 μm
Plate Thickness	1.5-6 mm
Pressure Rating	Up to 10 bar
Separation Efficiency	≥ 99% for droplets > 10 μm
Spacing Between Vanes	10-50 mm
Operating Temperature Range	-40°C to 300°C

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 29461, DIN 24190

Parent Products

This component is used in the following industrial products

Moisture Separator

A component within an air dryer system that removes liquid water droplets and aerosols from compressed air.

View Product Details

Engineering Analysis

Risks & Mitigation

Corrosion from aggressive media
Fouling and blockage
Erosion from high-velocity particles
Structural fatigue from vibration

FMEA Triads

Trigger: Material corrosion due to chemical exposure
Failure: Reduced structural integrity and separation efficiency
Mitigation: Use corrosion-resistant materials and protective coatings

Trigger: Improper installation or alignment
Failure: Reduced separation efficiency and increased pressure drop
Mitigation: Follow manufacturer installation guidelines and verify alignment

Trigger: Accumulation of solids or viscous materials
Failure: Blockage and increased pressure drop
Mitigation: Implement regular cleaning schedules and upstream filtration

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, angular alignment within ±1°

Test Method

ASME PTC 19.3 TW for moisture separator performance testing

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

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Supplier transparency

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Manufacturers of Baffle Plate/Vanes

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Frequently Asked Questions

What is the primary function of baffle plates in moisture separators?

Baffle plates redirect gas flow to create inertial forces that separate liquid droplets from the gas stream through impaction and coalescence.

How do baffle plates differ from mesh pads in moisture separators?

Baffle plates use inertial separation through directional changes, while mesh pads use filtration through interception and diffusion. Baffles handle higher velocities and larger droplets more effectively.

What maintenance is required for baffle plates?

Regular inspection for corrosion, fouling, and structural integrity. Cleaning to remove accumulated deposits that could reduce separation efficiency.

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.

Baffle Plate/Vanes