Industry-Verified Manufacturing Data (2026)

Impregnation Tank

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Impregnation Tank 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 Impregnation Tank is characterized by the integration of Tank Body/Cylinder and Lid/Door with Seal. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A sealed pressure vessel designed to hold materials for impregnation under vacuum conditions.

Product Specifications

Technical details and manufacturing context for Impregnation Tank

Definition
The impregnation tank is a critical component of a vacuum impregnation system, serving as the primary chamber where porous materials (such as castings, composites, or wood products) are subjected to vacuum to remove air, then flooded with impregnating resin or sealant under pressure to fill voids and pores, thereby enhancing material properties like strength, sealing, or corrosion resistance.
Working Principle
The tank is first evacuated to create a vacuum, drawing air and moisture from the material's pores. Impregnation fluid is then introduced, often under pressure, forcing it into the evacuated pores. The tank maintains a sealed environment throughout the cycle to ensure effective penetration and curing.
Common Materials
Stainless Steel (e.g., 304, 316L), Carbon Steel
Technical Parameters
  • Internal diameter and height defining the tank's working volume capacity. (mm) Customizable
Components / BOM
  • Tank Body/Cylinder
    Main structural shell providing the sealed impregnation chamber.
    Material: Stainless Steel
  • Lid/Door with Seal
    Access point with gasket or O-ring to ensure vacuum and pressure integrity.
    Material: Stainless Steel with Silicone/Viton Gasket
  • Pressure/Vacuum Ports
    Connections for vacuum pump, pressure supply, and fluid intake/drainage.
    Material: Stainless Steel
  • Safety Valve
    Prevents over-pressurization by releasing excess pressure.
    Material: Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impregnation Tank.

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: Full vacuum to 10 bar
other spec: Slurry concentration up to 60% solids by weight
temperature: -20°C to 150°C
Media Compatibility
✓ Epoxy resins ✓ Polyurethane foams ✓ Ceramic slurries
Unsuitable: Hydrofluoric acid or highly corrosive halogenated compounds
Sizing Data Required
  • Required batch volume (liters)
  • Maximum viscosity of impregnation media (cP)
  • Required vacuum level (mbar absolute)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and chemical attack
Cause: Exposure to aggressive impregnation chemicals (e.g., resins, solvents, acids) leading to material degradation, pitting, or stress corrosion cracking, especially at welds, seams, or material imperfections.
Mechanical failure of seals and gaskets
Cause: Thermal cycling, chemical swelling, or compression set from repeated opening/closing of tank lids or access points, resulting in leaks, loss of vacuum/pressure, or contamination.
Maintenance Indicators
  • Visible leaks or weeping at seams, welds, or flange connections, indicating seal failure or material breach.
  • Unusual audible hissing or bubbling sounds during operation, suggesting vacuum/pressure loss or chemical reaction issues.
Engineering Tips
  • Implement a regular non-destructive testing (NDT) schedule using ultrasonic thickness gauging or dye penetrant inspection to monitor wall thickness and detect early corrosion or cracking.
  • Use compatible, chemically resistant gasket materials (e.g., PTFE, Viton) and establish a preventive replacement schedule based on cycle counts or operating hours to prevent seal failures.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASME BPVC Section VIII - Rules for construction of pressure vessels DIN EN 13445 - Unfired pressure vessels
Manufacturing Precision
  • Wall thickness: +/- 0.5 mm
  • Weld seam alignment: +/- 1.0 mm
Quality Inspection
  • Hydrostatic pressure test
  • Visual and dimensional inspection

Factories Producing Impregnation Tank

Verified manufacturers with capability to produce this product in China

✓ 94% Supplier Capability Match Found

S Sourcing Manager from United Arab Emirates Jan 15, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Impregnation Tank so far."
Technical Specifications Verified
P Procurement Specialist from Australia Jan 12, 2026
★★★★☆
"Testing the Impregnation Tank now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Singapore Jan 09, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
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 Impregnation Tank from USA (21m ago).

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Frequently Asked Questions

What materials are used to construct impregnation tanks?

Impregnation tanks are typically constructed from durable materials like Stainless Steel (grades 304 or 316L for corrosion resistance) or Carbon Steel, chosen based on the specific chemical and pressure requirements of the application.

What are the key safety features of an impregnation tank?

Key safety features include a robust lid/door with a reliable seal to maintain vacuum, integrated pressure/vacuum ports for controlled operation, and a critical safety valve to prevent over-pressurization and ensure operator safety.

What industries use impregnation tanks?

Impregnation tanks are essential in Machinery and Equipment Manufacturing for processes like sealing porous materials (e.g., metal castings, wood, or composites) with resins or oils under vacuum to enhance durability and performance.

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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