Industry-Verified Manufacturing Data (2026)

Silencer

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Silencer used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Silencer is characterized by the integration of Housing and Baffle Chamber. In industrial production environments, manufacturers listed on CNFX commonly emphasize Sintered Bronze construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A component designed to reduce noise generated by airflow in vacuum systems.

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Product Specifications

Technical details and manufacturing context for Silencer

Definition
A silencer is an integral part of a vacuum generator/valve system that attenuates noise produced during the suction or exhaust phases of operation. It functions by disrupting sound waves through internal baffles, porous materials, or expansion chambers, thereby reducing acoustic emissions to acceptable levels for workplace safety and environmental compliance.
Working Principle
The silencer operates on principles of acoustic damping. As compressed air or vacuum flow passes through the device, sound energy is absorbed by porous materials (like sintered bronze or foam) or dissipated through reflection and interference within specially designed chambers and baffles, converting acoustic energy into minimal heat.
Common Materials
Sintered Bronze, Stainless Steel, Aluminum, Sound-Absorbing Foam
Technical Parameters
  • Noise reduction level measured in decibels on the A-weighted scale (dB(A)) Per Request
Components / BOM
  • Housing
    Provides structural integrity and contains internal components
    Material: Aluminum or Stainless Steel
  • Baffle Chamber
    Creates multiple sound wave reflections to dissipate acoustic energy
    Material: Stainless Steel
  • Porous Element
    Absorbs sound energy through friction in microscopic pores
    Material: Sintered Bronze
  • Mounting Flange
    Secures the silencer to the vacuum generator/valve
    Material: Stainless Steel
Engineering Reasoning
0.1-1.5 bar absolute pressure, 0-150°C ambient temperature, 0-100 m/s airflow velocity
Structural failure at 2.0 bar internal pressure differential, acoustic performance degradation beyond 200 m/s airflow velocity, material embrittlement below -40°C
Design Rationale: Resonant frequency excitation at 800-1200 Hz causing structural fatigue, boundary layer separation at Reynolds numbers > 5×10⁵ generating turbulent noise, polymer degradation at 180°C glass transition temperature
Risk Mitigation (FMEA)
Trigger Particle accumulation exceeding 50 g/m³ concentration in airflow
Mode: Acoustic impedance mismatch causing 15 dB noise increase at 1000 Hz
Strategy: Integrated 10 μm mesh pre-filter with automatic backflush at 500 Pa differential pressure
Trigger Thermal cycling between -20°C and 120°C at 5 cycles/hour
Mode: Polyurethane foam delamination from aluminum housing at 0.5 mm separation
Strategy: Epoxy-based adhesive with 25 MPa shear strength and -60°C to 200°C operational range

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Silencer.

vacuum system airflow silencer industrial noise reduction component sintered bronze silencer baffle machinery equipment sound dampener stainless steel vacuum silencer

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Vacuum Generator/Valve
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (g)
flow rate: Up to 5000 m³/h
temperature: -20°C to 120°C
slurry concentration: Not applicable - designed for clean air/gas streams only
Media Compatibility
✓ Compressed air systems ✓ Vacuum pump exhaust ✓ Industrial ventilation systems
Unsuitable: Corrosive chemical vapors (e.g., chlorine, strong acids)
Sizing Data Required
  • Maximum flow rate (m³/h)
  • Operating pressure (bar)
  • Required noise reduction (dB(A))

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Internal Baffle Degradation
Cause: High-velocity gas flow causing erosion of internal baffles and perforated tubes, often accelerated by particulate matter in the gas stream.
External Corrosion and Structural Fatigue
Cause: Exposure to environmental elements (moisture, chemicals, salt) combined with vibration-induced stress leading to cracks, rust, or weld failures.
Maintenance Indicators
  • Significant increase in noise levels or change in exhaust tone indicating internal component failure
  • Visible external damage such as cracks, rust holes, or loose mounting brackets
Engineering Tips
  • Implement regular ultrasonic thickness testing on critical areas to monitor erosion/corrosion rates before failure occurs
  • Install vibration monitoring sensors and maintain proper alignment/clearance to prevent resonance-induced structural fatigue

Compliance & Manufacturing Standards

Reference Standards
ISO 14001:2015 (Environmental Management Systems for noise control equipment) ANSI S12.15 (American National Standard for Acoustics - Measurement and Evaluation of Industrial Silencers) DIN 45635-1 (Measurement of Airborne Noise Emitted by Machines - Enveloping Surface Method for Silencers)
Manufacturing Precision
  • Bore Diameter: +/-0.05 mm (for precision fit to exhaust piping)
  • Flatness of Mounting Flanges: 0.2 mm (to prevent exhaust leaks)
Quality Inspection
  • Pressure Drop Test (to verify flow resistance within design specifications)
  • Acoustic Performance Test (to measure noise reduction in dB across specified frequency ranges)

Factories Producing Silencer

Verified manufacturers with capability to produce this product in China

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✓ 95% Supplier Capability Match Found

S Sourcing Manager from Brazil Feb 09, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Silencer arrived with full certification."
Technical Specifications Verified
P Procurement Specialist from Canada Feb 06, 2026
★★★★☆
"Great transparency on the Silencer components. Essential for our Machinery and Equipment Manufacturing supply chain. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from United States Feb 03, 2026
★★★★★
"The Silencer we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

14 sourcing managers are analyzing this specification now. Last inquiry for Silencer from Poland (49m ago).

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Frequently Asked Questions

What materials are used in this industrial silencer?

Our silencer is constructed from durable materials including sintered bronze for porous elements, stainless steel or aluminum for housing, and sound-absorbing foam for optimal noise reduction in vacuum systems.

How does this silencer reduce noise in vacuum systems?

The silencer uses a baffle chamber design with porous sintered bronze elements to disrupt and absorb airflow turbulence, while sound-absorbing foam further dampens noise, significantly reducing decibel levels in machinery applications.

What are the main components of this silencer?

Key components include a robust housing, internal baffle chamber, porous sintered bronze element for airflow filtration, and a mounting flange for secure installation in vacuum systems and industrial equipment.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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