Editorial Technical Reference

Exhaust System

This page explains how Exhaust System is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A ventilation system that removes fumes, vapors, and particulate matter from the tablet coating chamber to maintain air quality and process safety.

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

Product Specifications

Technical details and manufacturing context for Exhaust System

Definition
The exhaust system in an automated pharmaceutical tablet coating system is a critical component responsible for evacuating solvent vapors, coating material overspray, and airborne particles generated during the coating process. It maintains negative pressure within the coating chamber to prevent cross-contamination, ensures operator safety by removing potentially hazardous fumes, and helps control the drying environment by regulating humidity and temperature through controlled air exchange. Constructed from stainless steel (304 or 316L) with food-grade silicone gaskets and PTFE seals, the system is designed for cleanroom compatibility and corrosion resistance. It operates with an airflow rate of 500–2000 m³/h and static pressure of 500–1500 Pa, driven by a motor rated at 0.75–5.5 kW (380–480 V AC, three-phase). Filtration typically includes pre-filters and HEPA filters with H13–H14 efficiency (EN 1822) to capture particulates, and activated carbon may be used to absorb volatile organic compounds. The system maintains a noise level of ≤75 dB(A) (ISO 3744) and operates within a temperature range of -10 to 60 °C and a pressure range of 1.0–1.6 MPa. Ingress protection is rated IP54–IP65 (IEC 60529), suitable for washdown environments. The weight varies from 80 to 350 kg depending on configuration and material. All parameters are reference ranges that must be verified for the specific model and application. The system is designed to balance coating efficiency with environmental control, ensuring safe and effective tablet coating operations.
Working Principle
The system operates by creating negative pressure through an exhaust fan or blower that draws air from the coating chamber through ductwork. Air passes through filtration stages (typically including pre-filters and HEPA/activated carbon filters) to capture particulate matter and absorb volatile organic compounds before being discharged or recirculated. The system maintains precise airflow rates to balance coating efficiency with environmental control requirements.
Common Materials
Stainless Steel (316L), Food-grade Silicone Gaskets, PTFE Seals
Technical Parameters
ParameterTypical rangeNotes & selection driver
Airflow RateRequired500–2000 m³/hVolume of air moved by the exhaust system per hourISO 5801
Static PressureRequired500–1500 PaPressure differential the system can overcomeISO 5801
Filter EfficiencyRequiredH13–H14 %Particle capture efficiency of HEPA filtersEN 1822
Noise Level≤75 dB(A)Sound pressure level during operationISO 3744
Operating Temperature-10–60 °CExceeding range may damage seals and electronics
Motor Power0.75–5.5 kWMatch to airflow and static pressure requirementsIEC 60034
Power Supply380–480 V ACThree-phase; other voltages on requestIEC 60038
Ingress ProtectionIP54–IP65IP65 for washdown environmentsIEC 60529
Material304/316L SS316L for corrosive or pharmaceutical applicationsASTM A240
Weight80–350 kgDepends on configuration and material

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
  • Exhaust Fan/Blower
    Creates negative pressure to draw air from the coating chamber
    Material: Stainless Steel Housing with Corrosion-resistant Impeller
  • Ductwork Part
    Channels exhaust air from coating chamber to filtration system
    Material: 316L Stainless Steel with Smooth Interior Finish
  • HEPA Filter Assembly
    Removes particulate matter and microorganisms from exhaust air
    Material: Glass Fiber Media with Aluminum Frame
  • Activated Carbon Filter
    Adsorbs volatile organic compounds and solvent vapors
    Material: Impregnated Activated Carbon
  • Dampers/Valves
    Regulates airflow and provides isolation capability
    Material: Stainless Steel with PTFE Seals
  • Pre-Filter
    Takes the coarse dust out first so the HEPA stage lasts.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Exhaust System.

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: -0.5 to +0.2 bar gauge (-7.25 to +2.9 psig)
flow rate: 500 to 10,000 m³/h (294 to 5,886 CFM)
temperature: Ambient to 150°C (302°F) continuous operation
particulate concentration: Up to 100 mg/m³ for particulates, <50% relative humidity for vapors
Media Compatibility
✓ Organic solvent vapors (acetone, ethanol, isopropanol) ✓ Aqueous-based coating mists ✓ Pharmaceutical powder particulates (microcrystalline cellulose, lactose)
Unsuitable: Chlorinated solvent vapors (dichloromethane, chloroform) due to corrosion and explosion risks
Sizing Data Required
  • Coating chamber volume (m³) and air exchange rate (ACH)
  • Maximum solvent evaporation rate (kg/h) during coating process
  • Ductwork layout (length, bends, diameter) and static pressure requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Repeated heating and cooling cycles causing expansion/contraction stresses, especially at welds and bends, leading to crack initiation and propagation.
Corrosion-induced perforation
Cause: Condensation of acidic combustion byproducts (sulfuric, nitric acids) combined with moisture, particularly in low-temperature zones or during cold starts, leading to wall thinning and holes.
Maintenance Indicators
  • Audible exhaust leaks (hissing, ticking, or rumbling) indicating cracks, loose connections, or gasket failures
  • Visible black soot deposits or rust streaks at joints, welds, or along the piping, suggesting leaks or internal corrosion
Engineering Tips
  • Ensure proper thermal management: Use heat shields or insulation to minimize rapid temperature fluctuations, and design with expansion joints or bellows to accommodate thermal movement.
  • Implement corrosion control: Use corrosion-resistant materials (e.g., stainless steel grades for wet sections), ensure proper drainage to avoid condensate pooling, and maintain engine tuning to reduce acidic byproduct formation.

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 3929:2016 (Road vehicles - Exhaust systems - Test methods) ANSI/SAE J1128 (Automotive Exhaust Systems - Performance Requirements) DIN EN 13649 (Stationary source emissions - Determination of the mass concentration of individual gaseous organic compounds - Activated carbon and solvent desorption method)

Quoted from the published standard.

Manufacturing Precision
  • Flange Flatness: +/-0.1mm
  • Pipe Wall Thickness: +/-0.15mm
Quality Inspection
  • Helium Leak Test (for sealing integrity)
  • Vibration Durability Test (for structural fatigue resistance)

Manufacturers of Exhaust System

5 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.

Guangzhou Clean-Link Filtration Technology
Taiwan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Guangzhou GLX Auto Parts Co., Ltd.
Guangzhou, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
JTLD AUTOMOTIVE PARTS CO., LIMITED
Qingdao, Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Toptuning Auto Parts (Nantong) Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Wuxi Honghu Muffler Co., Ltd
Wuxi, 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
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Frequently Asked Questions

What is the typical airflow range for this exhaust system?

The airflow rate is typically between 500 and 2000 m³/h, but the exact value depends on the coating chamber size and process requirements. Always confirm the required airflow for your specific application with the manufacturer.

What filtration stages are used?

The system typically includes pre-filters and HEPA filters with H13–H14 efficiency (EN 1822) to capture particulate matter. Activated carbon filters may be used to absorb volatile organic compounds, depending on the configuration.

What materials are used in construction?

The system is typically made of stainless steel (304 or 316L), with food-grade silicone gaskets and PTFE seals. The choice of material depends on the application and required corrosion resistance.

What are the operating temperature and pressure limits?

The operating temperature range is -10 to 60 °C, and the operating pressure range is 1.0–1.6 MPa. Exceeding these ranges may damage seals and electronics. Verify these limits for your specific model.

Data Basis

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

Preliminary Technical Classification
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