Editorial Technical Reference

Suction Box

This page explains how Suction Box is classified within Paper Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A component that creates negative pressure to collect and transport materials within an industrial system

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Suction Box

Definition
The suction box is a critical component within industrial systems that utilizes vacuum pressure to efficiently collect, contain, and transport particulate materials, powders, or granular substances from various process points to designated collection or processing areas, ensuring material flow continuity and preventing contamination or loss. It is commonly used in paper manufacturing and other bulk material handling applications. The device operates by connecting to a vacuum source, creating a pressure differential that draws material into an enclosed chamber. Internal baffles or filters may separate materials from the air stream, while discharge mechanisms allow controlled release. Available in stainless steel (304–316L) or polypropylene, the suction box is designed for operating pressures of 1.0–1.6 MPa, suction capacities of 500–2000 m³/h, and temperatures from -20 to 80°C. Inlet and outlet diameters range from 50 to 150 mm (DIN 2501), with overall dimensions varying from 300 to 800 mm and weights from 50 to 200 kg. Sealing classes range from IP54 to IP65 (IEC 60529), surface finishes from 0.8 to 1.6 µm Ra (ISO 4287), and tolerances of ±0.5 mm (ISO 2768-m). These values are reference ranges and must be verified for the specific model and application. The suction box is not a standalone product; it requires integration with a vacuum system, piping, and controls. Selection depends on material characteristics, conveying distance, and process conditions. Maintenance signals include reduced suction, unusual noise, or leaks. Failure boundaries include seal degradation, filter clogging, or structural damage. Always consult the legal manufacturer or supplier for model-specific specifications and compliance.
Working Principle
The suction box operates by connecting to a vacuum source that creates negative pressure within its enclosed chamber. When material enters through the inlet, the pressure differential draws it into the box where it accumulates or passes through to connected transport lines. Internal baffles or filters may separate materials from the air stream, while discharge mechanisms allow controlled material release when vacuum is released or through mechanical means.
Common Materials
Stainless Steel, Polypropylene
Technical Parameters
ParameterTypical rangeNotes & selection driver
Suction Capacity500–2000 m³/hDepends on material density and conveying distance
Material304–316L SS316L for corrosive or hygienic applicationsASTM A240
Operating Temperature-20–80 °CHigher temperatures may require special seals
Inlet Diameter50–150 mmMatch to existing pipingDIN 2501
Outlet Diameter50–150 mmMatch to existing pipingDIN 2501
Overall Dimensions300–800 mmLength × width × height; varies with capacity
Weight50–200 kgDepends on material and size
Sealing ClassIP54–IP65IP65 for dusty or washdown environmentsIEC 60529
Surface Finish0.8–1.6 µm RaLower Ra for hygienic applicationsISO 4287
Tolerance±0.5 mmFor critical mounting dimensionsISO 2768-m

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Inlet Port Part
    Entry point for materials being suctioned into the box
    Material: Stainless Steel
  • Vacuum Connection Part
    Interface for connecting to vacuum source or system
    Material: Stainless Steel
  • Discharge Valve
    Controls material release from the suction box
    Material: Stainless Steel with elastomer seals
  • Pressure Relief Valve Optional
    Safety device to prevent over-pressurization
    Material: Stainless Steel
  • Internal Baffles Optional
    Slow the incoming stream so material drops out instead of being carried on.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Suction Box.

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 1.5 bar (vacuum)
flow rate: 0.5 to 50 m³/min
temperature: -20°C to 120°C
slurry concentration: Up to 40% solids by weight
Media Compatibility
✓ Wood pulp slurry ✓ Paper stock ✓ Mineral processing tailings
Unsuitable: Highly corrosive acidic environments (pH < 2)
Sizing Data Required
  • Required air flow rate (m³/min)
  • Material density and particle size distribution
  • System vacuum pressure requirement (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation damage
Cause: Excessive vacuum pressure or improper pump operation causing vapor bubble formation and implosion on internal surfaces
Abrasive wear
Cause: Particulate-laden fluid flow eroding internal surfaces, especially at high velocity zones and directional changes
Maintenance Indicators
  • Unusual vibration or audible 'hammering' sounds during operation
  • Visible external leaks or moisture around seams and connections
Engineering Tips
  • Implement regular ultrasonic thickness testing to monitor wall erosion and schedule replacements before failure
  • Install proper filtration upstream and maintain optimal pump operating parameters to minimize cavitation risk

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 1219-1:2012 (Fluid power systems and components) ANSI/ASME B46.1-2019 (Surface Texture) DIN 24340 (Hydraulic fluid power - Suction filters)

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Surface flatness: 0.08mm per 100mm
Quality Inspection
  • Pressure decay leak test
  • Dimensional verification with CMM

Manufacturers of Suction Box

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

JOCHAMP
Rui'an, Zhejiang, CN
Founded 2005
CE ISO9001 SGS
Listed on the company's own website · profile compiled by CNFX from public sources
HUATAO GROUP
Shijiazhuang, Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jiangsu Huadong Paper Machinery Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources

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

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What materials are available for the suction box?

The suction box is available in stainless steel (grades 304–316L) or polypropylene. The choice depends on the application, with 316L recommended for corrosive or hygienic environments.

What is the operating pressure range?

The operating pressure range is 1.0–1.6 MPa. Always verify the specific model's pressure rating with the manufacturer.

How do I select the right suction capacity?

Suction capacity ranges from 500 to 2000 m³/h, depending on material density and conveying distance. Consult the manufacturer to determine the appropriate capacity for your process.

What are the typical maintenance signals?

Reduced suction, unusual noise, or visible leaks indicate potential issues. Regular inspection of seals, filters, and structural integrity is recommended. Always follow the manufacturer's maintenance guidelines.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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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