INDUSTRY COMPONENT

Bottom Ring

Bottom ring is a structural component in filter bag cages that provides stability and sealing at the base of the filter assembly.

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Component Specifications

Definition
The bottom ring is a circular metal component positioned at the base of a filter bag cage in industrial filtration systems. It serves as the foundation that supports the vertical cage structure, ensures proper alignment of filter bags, and creates a sealed interface with the filter housing or support grid. This component maintains structural integrity during pressure differentials and prevents bypass of unfiltered media.
Working Principle
The bottom ring functions as a load-bearing base that distributes mechanical stress evenly across the filter bag cage structure. During operation, it maintains dimensional stability under varying pressure conditions (typically 0-150 psi), prevents lateral movement of filter bags, and ensures a tight seal against the filter housing through precision machining and gasket interfaces. Its circular design minimizes stress concentrations and allows for uniform media flow distribution.
Materials
Carbon steel (ASTM A36), 304/316 stainless steel, or powder-coated mild steel; thickness: 3-6 mm; surface finish: Ra 3.2 μm or better; corrosion resistance per ASTM A967.
Technical Parameters
  • Height 25-50 mm
  • Weight 0.5-8 kg
  • Diameter 150-600 mm
  • Pressure Rating 0-150 psi
  • Temperature Range -20°C to 200°C
  • Flatness Tolerance ±0.5 mm
Standards
ISO 9001, DIN 2458, ASME B46.1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Bottom Ring.

filter cage bottom ring industrial filtration components bag filter base ring stainless steel bottom ring filtration system parts Bottom Ring Bottom Ring in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Filter Bag Cage

A structural support frame that holds filter bags in place within a bag filter house, maintaining their shape and preventing collapse during operation.

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Engineering Analysis

Risks & Mitigation
  • Corrosion in aggressive media
  • Deformation under overpressure
  • Seal failure causing bypass
  • Improper installation leading to leaks
FMEA Triads
Trigger: Material corrosion from chemical exposure
Failure: Structural weakening and potential collapse
Mitigation: Use corrosion-resistant alloys and protective coatings
Trigger: Exceeding pressure rating
Failure: Plastic deformation and loss of sealing
Mitigation: Implement pressure relief valves and regular inspection
Trigger: Improper installation alignment
Failure: Media bypass and reduced filtration efficiency
Mitigation: Use alignment guides and torque-controlled installation

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm diameter, ±0.2 mm thickness, ±0.3° angularity
Test Method
Dimensional verification per ISO 2768, pressure testing per ASME Section VIII, material certification per ASTM standards

Buyer Feedback

★★★★☆ 4.9 / 5.0 (39 reviews)

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Bottom Ring arrived with full certification."

"Great transparency on the Bottom Ring components. Essential for our Machinery and Equipment Manufacturing supply chain."

"The Bottom Ring we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

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Frequently Asked Questions

What is the primary function of a bottom ring in filter bag cages?

The bottom ring provides structural support, ensures proper sealing at the base, and maintains alignment of filter bags during operation.

Can bottom rings be customized for different filter sizes?

Yes, bottom rings are typically manufactured to match specific cage diameters and can be customized for material, thickness, and connection types.

How often should bottom rings be inspected?

Inspect during every filter bag change (typically every 3-12 months) for corrosion, deformation, or seal damage.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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