INDUSTRY COMPONENT

Hopper Body

Hopper body is the main structural component of an ingredient feed hopper that stores and controls the flow of bulk materials in food processing.

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Component Specifications

Definition
The hopper body is a critical component in ingredient feed systems, designed as a tapered or conical vessel that stores bulk materials (powders, granules, pellets) and facilitates controlled discharge through gravity flow. It prevents material bridging, segregation, and ensures consistent feed rates to downstream processing equipment. Engineered with specific angles of repose and flow aids to maintain material integrity and prevent contamination in food-grade applications.
Working Principle
Operates on gravity flow principles where material moves downward through the tapered section toward the discharge outlet. The hopper angle and surface smoothness are designed to exceed the material's angle of repose, ensuring reliable flow without mechanical assistance. May incorporate vibration, aeration, or mechanical agitators to prevent arching or ratholing in cohesive materials.
Materials
Food-grade stainless steel (AISI 304, 316L), polished to Ra ≤ 0.8 μm, with electropolished interior surfaces. Optional FDA-approved polymer liners (UHMW-PE, PTFE) for specific applications. Welded construction with continuous seams, passivated and certified for food contact.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Capacity100-5000 liters
Surface FinishRa ≤ 0.8 μm
Wall Thickness2-6 mm
Connection TypeFlanged (ISO 2852), Clamp (DIN 32676)
Discharge Angle60-70 degrees
Temperature Range-20°C to 150°C
Operating PressureAtmospheric to 0.5 bar

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 14159, DIN 11850, FDA 21 CFR Part 177, EHEDG

Parent Products

This component is used in the following industrial products

Ingredient Hopper

A storage and dispensing vessel for raw materials in industrial processing systems.

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Loading Hopper

A container designed to receive and temporarily store catalyst material before it is fed into the automated loading system.

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Ingredient Feed Hopper

A storage and controlled discharge component for dry or liquid ingredients in automated food processing systems.

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Engineering Analysis

Risks & Mitigation
  • Material bridging/arching
  • Segregation during discharge
  • Contamination from improper cleaning
  • Corrosion in corrosive environments
  • Structural failure from overloading
FMEA Triads
Trigger: Inadequate hopper angle or surface roughness
Failure: Material bridging blocks discharge
Mitigation: Design hopper angle > material angle of repose + safety margin. Use polished surfaces and flow aids.
Trigger: Improper material compatibility
Failure: Corrosion or contamination
Mitigation: Use food-grade stainless steel (316L for corrosive materials) with proper passivation. Regular inspection and material certification.
Trigger: Structural overloading
Failure: Deformation or collapse
Mitigation: Calculate design loads including material weight, dynamic forces, and safety factors. Use reinforced construction at stress points.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Dimensional tolerance ±1 mm on critical interfaces, surface finish Ra ≤ 0.8 μm, weld seam continuity 100%
Test Method
Material certification (mill test reports), surface roughness testing (profilometer), pressure testing (leak test), cleanability testing per EHEDG methods

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
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Hopper Body

Manufacturer profiles associated with Hopper Body.

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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

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Frequently Asked Questions

What is the optimal discharge angle for a food-grade hopper body?

60-70 degrees is optimal for most food materials to prevent bridging while maintaining controlled flow. The angle must exceed the material's angle of repose by at least 10-15 degrees.

How do you prevent material segregation in hopper bodies?

Use mass flow design with steep hopper angles, smooth surfaces, and proper outlet sizing. Mechanical flow aids like vibrators or air pads can be added for cohesive materials.

What cleaning standards apply to food hopper bodies?

Must comply with EHEDG guidelines, featuring drainable design, CIP capability, and surfaces cleanable to microbiological standards. No dead zones or crevices allowed.

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.

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