Industry-Verified Manufacturing Data (2026)

Cold Trap/Condenser

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Cold Trap/Condenser 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 Cold Trap/Condenser is characterized by the integration of Cooling Coil/Jacket and Trap Body. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A vacuum system component that condenses vapors and traps contaminants by cooling surfaces below their dew points.

Product Specifications

Technical details and manufacturing context for Cold Trap/Condenser

Definition
A critical component in vacuum systems that removes condensable vapors and contaminants from the gas stream by cooling surfaces to temperatures where these substances condense or freeze, preventing them from reaching sensitive components like vacuum pumps or process chambers.
Working Principle
Operates by maintaining a cooled surface (typically using liquid nitrogen, chilled water, or mechanical refrigeration) within the vacuum path. When gas molecules with sufficient vapor pressure contact this cold surface, they lose kinetic energy and transition from gas to liquid or solid phase, effectively removing them from the vacuum environment.
Common Materials
Stainless Steel, Copper, Aluminum
Technical Parameters
  • Internal diameter of the trap/condenser body (mm) Standard Spec
Components / BOM
  • Cooling Coil/Jacket
    Provides cooling surface for condensation, typically circulating coolant
    Material: Copper or Stainless Steel
  • Trap Body
    Main vacuum chamber housing the cooling elements
    Material: Stainless Steel
  • Vacuum Flanges
    Connects the trap to the vacuum system
    Material: Stainless Steel
  • Drain Valve
    Allows removal of condensed liquids
    Material: Stainless Steel
Engineering Reasoning
1e-6 to 1e-3 mbar (vacuum pressure), -196°C to -80°C (coolant temperature)
Vapor pressure exceeds 1e-2 mbar at operating temperature, or coolant temperature rises above -70°C
Design Rationale: Vapor pressure-temperature equilibrium shift (Clausius-Clapeyron relation) causing re-vaporization of trapped contaminants when surface temperature exceeds dew point
Risk Mitigation (FMEA)
Trigger Coolant flow interruption for >30 seconds
Mode: Rapid temperature rise to ambient, immediate loss of condensation efficiency
Strategy: Dual redundant cryogenic coolant loops with automatic switchover at 5-second detection threshold
Trigger Mechanical vibration exceeding 2.5 mm/s RMS at 50-200 Hz
Mode: Micro-fractures in brazed joints leading to vacuum leak rate >1e-6 mbar·L/s
Strategy: Kinematic mounting with tuned mass dampers and vibration isolation at 85% critical damping ratio

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cold Trap/Condenser.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 10^-6 Torr to 1 atm (high vacuum to atmospheric)
flow rate: 0.1 to 1000 sccm (standard cubic centimeters per minute)
temperature: -196°C to 150°C (liquid nitrogen to ambient cooling)
slurry concentration: Not applicable - designed for vapor phase only
Media Compatibility
✓ Organic solvent vapors (acetone, ethanol) ✓ Water vapor ✓ Volatile process byproducts
Unsuitable: Corrosive halogen gases (e.g., chlorine, fluorine) without specialized coatings
Sizing Data Required
  • Vapor load (mass flow rate)
  • Required condensation efficiency (%)
  • Available cooling capacity (W)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced perforation
Cause: Exposure to corrosive process fluids, moisture ingress, or chemical attack from condensates, leading to wall thinning and eventual leaks.
Fouling and blockage
Cause: Accumulation of solid deposits, ice, or viscous condensates inside the trap or condenser tubes, reducing heat transfer efficiency and increasing pressure drop.
Maintenance Indicators
  • Visible frost or ice buildup on external surfaces indicating internal blockage or insufficient insulation
  • Audible hissing or whistling sounds from the unit, suggesting leaks or abnormal pressure differentials
Engineering Tips
  • Implement regular thermal imaging inspections to detect early-stage fouling or insulation failures before they cause operational issues
  • Use corrosion-resistant materials (e.g., stainless steel, specialized alloys) and apply protective coatings in areas exposed to aggressive condensates or atmospheric conditions

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASME B31.3 - Process Piping DIN 28136 - Dimensions of Glass Components for Chemical Apparatus
Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Surface Flatness: 0.1mm/m
Quality Inspection
  • Helium Leak Test
  • Pressure Test (Hydrostatic/Pneumatic)

Factories Producing Cold Trap/Condenser

Verified manufacturers with capability to produce this product in China

✓ 93% Supplier Capability Match Found

S Sourcing Manager from Germany Feb 25, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Procurement Specialist from Brazil Feb 22, 2026
★★★★☆
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Cold Trap/Condenser meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Canada Feb 19, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Cold Trap/Condenser arrived with full certification."
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.”

12 sourcing managers are analyzing this specification now. Last inquiry for Cold Trap/Condenser from India (14m ago).

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Frequently Asked Questions

What materials are available for cold trap construction?

Our cold traps are constructed from high-quality materials including stainless steel for corrosion resistance, copper for superior thermal conductivity, and aluminum for lightweight applications.

How does a cold trap improve vacuum system performance?

Cold traps condense vapors and trap contaminants by cooling surfaces below their dew points, preventing backstreaming into vacuum pumps and maintaining system purity and efficiency.

What components are included in the cold trap assembly?

Each cold trap includes a cooling coil/jacket for heat exchange, drain valve for contaminant removal, trap body, and vacuum flanges for secure system integration.

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.

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