Industry-Verified Manufacturing Data (2026)

Asphalt Tank

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Asphalt 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 Asphalt Tank is characterized by the integration of Heating Coils and Agitator System. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Storage and heating container for liquid asphalt in asphalt distributor trucks

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Product Specifications

Technical details and manufacturing context for Asphalt Tank

Definition
The asphalt tank is a critical component of asphalt distributor vehicles that stores, maintains temperature, and dispenses liquid asphalt for road construction and maintenance applications. It features insulation, heating systems, and discharge mechanisms to ensure asphalt remains at optimal viscosity for spraying operations.
Working Principle
The asphalt tank stores liquid asphalt at controlled temperatures using internal heating coils or external heating systems. Insulation minimizes heat loss, while agitation systems prevent asphalt settling. During operation, asphalt is pumped from the tank through spray bars for uniform application on road surfaces.
Common Materials
Carbon Steel, Stainless Steel, Insulation Materials
Technical Parameters
  • Tank capacity ranging from 2,000 to 20,000 liters depending on distributor size (L) Per Request
Components / BOM
  • Heating Coils
    Maintain asphalt temperature through thermal transfer
    Material: Stainless Steel
  • Agitator System
    Prevent asphalt settling and ensure uniform consistency
    Material: Carbon Steel
  • Thermal Insulation Layer
    Minimize heat loss and improve energy efficiency
    Material: Mineral Wool or Polyurethane Foam
  • Discharge Valve
    Control asphalt flow from tank to distribution system
    Material: Cast Iron or Stainless Steel
Engineering Reasoning
0.1-0.5 MPa (1-5 bar) at 150-190°C
Tank wall stress exceeds 250 MPa yield strength of ASTM A516 Grade 70 steel at 200°C
Design Rationale: Thermal fatigue from cyclic heating (150-190°C) combined with pressure cycling (0.1-0.5 MPa) causes crack initiation at weld seams due to coefficient of thermal expansion mismatch (12.0×10⁻⁶/°C for steel vs 8.0×10⁻⁶/°C for insulation)
Risk Mitigation (FMEA)
Trigger Asphalt solidification at 93°C pour point due to insufficient heating element power density (below 500 W/m²)
Mode: Thermal stratification causing differential expansion stresses exceeding 150 MPa at tank bottom
Strategy: Install helical baffle plates with 45° pitch angle to maintain turbulent flow (Re > 4000) and uniform temperature distribution
Trigger Corrosive sulfur compounds (H₂S concentration > 50 ppm) in asphalt at 180°C
Mode: Sulfide stress cracking initiating at 0.1 mm depth with crack growth rate of 1×10⁻⁸ m/s
Strategy: Apply 3 mm thick Inconel 625 cladding (Ni-Cr-Mo alloy) on internal surfaces with 99.7% weld coverage

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Asphalt Tank.

Bitumen Tank Asphalt Storage Tank asphalt storage tank for distributor trucks heated asphalt tank with insulation carbon steel asphalt heating container asphalt tank with agitator system industrial asphalt tank discharge valve

Applied To / Applications

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

Asphalt Distributor
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar (7.25 psi) max, typically non-pressurized with venting
flow rate: Dependent on pump system: 50-200 L/min (13-53 gal/min) typical for distributor trucks
temperature: 150-200°C (302-392°F) typical operating range, up to 250°C (482°F) max with insulation
slurry concentration: Not applicable - designed for pure liquid asphalt, not slurry mixtures
Media Compatibility
✓ PG 64-22 asphalt binder ✓ Polymer-modified asphalt (PMA) ✓ Cutback asphalt (MC-3000)
Unsuitable: Water-based emulsions or aqueous solutions (risk of phase separation and tank corrosion)
Sizing Data Required
  • Required asphalt volume capacity (liters/gallons)
  • Truck chassis weight and space constraints
  • Required heating rate and temperature maintenance capability

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Rapid temperature cycling between hot asphalt storage (150-200°C) and ambient conditions, causing differential expansion/contraction in tank walls and welds
Internal corrosion and material degradation
Cause: Chemical attack from sulfur compounds and organic acids in asphalt, combined with moisture ingress during storage or temperature changes leading to acidic condensation
Maintenance Indicators
  • Visible weeping or asphalt seepage along weld seams or tank shell, indicating material fatigue or corrosion
  • Abnormal temperature readings or hot spots on tank exterior during thermal imaging, suggesting insulation failure or internal heating element problems
Engineering Tips
  • Implement controlled heating/cooling protocols with maximum temperature gradients of 25°C per hour to minimize thermal shock and stress accumulation
  • Install and maintain proper nitrogen blanketing systems to create inert atmosphere above asphalt level, preventing oxidation and moisture condensation

Compliance & Manufacturing Standards

Reference Standards
ASTM D3142/D3142M - Standard Specification for Asphalt for Undersealing Portland-Cement Concrete Pavements ISO 9001 - Quality Management Systems CE Marking - EU Directive 2014/68/EU for Pressure Equipment
Manufacturing Precision
  • Wall Thickness: +/-5% of nominal thickness
  • Overall Dimensions: +/-10mm for length/width/height
Quality Inspection
  • Ultrasonic Thickness Testing
  • Hydrostatic Pressure Test

Factories Producing Asphalt Tank

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

S Sourcing Manager from Canada Feb 09, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Asphalt Tank arrived with full certification."
Technical Specifications Verified
P Procurement Specialist from United States Feb 06, 2026
★★★★☆
"Great transparency on the Asphalt Tank 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 Arab Emirates Feb 03, 2026
★★★★★
"The Asphalt Tank 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.”

15 sourcing managers are analyzing this specification now. Last inquiry for Asphalt Tank from Poland (1h ago).

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Frequently Asked Questions

What materials are used in asphalt tank construction?

Our asphalt tanks are primarily constructed from carbon steel or stainless steel, with thermal insulation materials to maintain optimal asphalt temperature during storage and transport.

How does the heating system work in asphalt tanks?

Heating coils integrated into the tank design maintain liquid asphalt at required temperatures, preventing solidification and ensuring proper viscosity for distribution applications.

What components are included in the asphalt tank BOM?

The bill of materials includes an agitator system for consistent asphalt mixing, discharge valves for controlled release, heating coils for temperature maintenance, and thermal insulation layers for energy efficiency.

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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