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Rotary Disc Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

The Rotary Disc is a critical rotating component within S-Valve Assemblies, designed to regulate, divert, or shut off the flow of bulk materials, powders, or granular substances in pneumatic conveying and processing systems. It operates through controlled rotational movement to align ports or channels, ensuring precise material handling with minimal leakage.

Working Principle

The disc rotates on a central axis within a housing, aligning its ports with corresponding inlet and outlet channels in the valve body. This rotational alignment controls material flow direction, rate, or isolation. Sealing is achieved through tight tolerances, gaskets, or sealing rings between the disc and housing surfaces.

Materials

Typically manufactured from wear-resistant materials: hardened stainless steel (e.g., AISI 304, 316), carbon steel with coatings, or engineered polymers (e.g., UHMW-PE, PTFE) for corrosion or contamination resistance. Surface treatments like hardening or plating may be applied.

Technical Parameters

Diameter 50-500 mm
Thickness 10-50 mm
Rotation Speed Up to 60 RPM
Temperature Range -20°C to 200°C
Operating Pressure Up to 10 bar
Port Configuration 2 to 4 ports

Standards

ISO 5211, DIN 3337

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Rotary Disc.

Parent Products

This component is used in the following industrial products

S-Valve Assembly

A specialized valve assembly designed for precise material flow control in delivery systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Wear from abrasive materials
Seal failure leading to leakage
Misalignment causing flow disruption
Corrosion in harsh environments

FMEA Triads

Trigger: Abrasive material flow
Failure: Excessive wear on disc surface
Mitigation: Use hardened materials or wear-resistant coatings; implement regular inspection schedules.

Trigger: Seal degradation
Failure: Material leakage
Mitigation: Use compatible seal materials; monitor and replace seals periodically; ensure proper installation.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.05 mm for critical dimensions

Test Method

Pressure testing per ISO 5208, dimensional inspection, and rotational torque measurement

Buyer Feedback

★★★★☆ 4.7 / 5.0 (8 reviews)

"The Rotary Disc we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 46+ suppliers for Rotary Disc on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Rotary Disc is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the primary function of a Rotary Disc in an S-Valve Assembly?

It controls the direction and flow of materials by rotating to align ports, enabling diversion, shut-off, or metering in processing systems.

How do you maintain a Rotary Disc?

Regular inspection for wear, cleaning to prevent material buildup, lubrication of bearings if applicable, and replacement of seals to ensure proper sealing.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Rotary Disc