Industry-Verified Manufacturing Data (2026)

Water Tank

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

Technical Definition & Core Assembly

A canonical Water Tank is characterized by the integration of Fill Opening/Cap and Water Level Indicator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Food-grade plastic (e.g., PP, ABS) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A container that stores water for evaporation in a humidifier.

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Product Specifications

Technical details and manufacturing context for Water Tank

Definition
The water tank is a reservoir component within a humidifier that holds the water supply. It feeds water to the humidification mechanism (ultrasonic transducer, wick, or heating element) and typically features a fill opening, level indicators, and may include anti-microbial treatments to prevent bacterial growth.
Working Principle
The tank stores water at atmospheric pressure. Water is drawn from the tank via gravity, a pump, or capillary action (depending on humidifier type) to the active humidification area where it is converted into moisture vapor.
Common Materials
Food-grade plastic (e.g., PP, ABS), Stainless steel
Technical Parameters
  • Capacity - the volume of water the tank can hold, determining runtime between refills. (L) Per Request
Components / BOM
  • Fill Opening/Cap
    Provides access for adding water and seals the tank to prevent spills and contamination.
    Material: Plastic (often with rubber gasket)
  • Water Level Indicator
    Visual or electronic gauge showing remaining water volume.
    Material: Plastic, glass, or electronic sensor
  • Outlet/Port
    Connection point where water exits the tank to the humidification mechanism.
    Material: Plastic
  • Base/Sealing Surface
    Ensures a tight, leak-proof fit when the tank is seated on the humidifier base.
    Material: Plastic (often with rubber seal)
Engineering Reasoning
0-2 bar gauge pressure, 5-60°C water temperature
Plastic deformation at 2.5 bar internal pressure, brittle fracture at -10°C water temperature
Design Rationale: Yield strength exceedance (HDPE: 26 MPa yield strength), ductile-to-brittle transition temperature (HDPE: -20°C transition)
Risk Mitigation (FMEA)
Trigger Calcium carbonate scaling exceeding 3 mm thickness
Mode: Reduced heat transfer efficiency by 40%, increased pump head requirement
Strategy: Integrated ultrasonic descaling system with 28 kHz transducers
Trigger Polymer chain scission from 254 nm UV-C exposure exceeding 1000 hours
Mode: Material embrittlement with 60% reduction in impact strength
Strategy: Carbon black additive at 2.5% concentration for UV stabilization

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Water Tank.

food grade plastic humidifier water tank stainless steel water tank for electrical equipment industrial humidifier water storage container PP ABS water tank with level indicator water tank for evaporation humidifier systems

Applied To / Applications

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

Humidifier
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Concrete Mixer Truck
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Water Spray System
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Sprinkler System
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Water System
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Water Flushing System
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressurized storage)
flow rate: N/A (static storage vessel)
temperature: 5°C to 50°C (ambient water storage range)
slurry concentration: 0% (clean water only, no suspended solids)
Media Compatibility
✓ Potable water ✓ Deionized water ✓ Humidifier-treated water with additives (e.g., bacteriostatic)
Unsuitable: Corrosive chemicals or high-concentration saline solutions
Sizing Data Required
  • Daily water consumption rate (L/day)
  • Humidifier refill frequency (hours)
  • Available installation footprint (dimensions)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion
Cause: Electrochemical degradation of tank material due to water chemistry (pH, dissolved oxygen, chlorides) or galvanic action from dissimilar metals in contact.
Structural fatigue cracking
Cause: Cyclic stresses from water level fluctuations, thermal expansion/contraction, or inadequate support leading to crack initiation and propagation, often at weld seams or stress concentrators.
Maintenance Indicators
  • Visible rust streaks, pitting, or blistering on tank surfaces (especially at welds or waterline)
  • Audible dripping or hissing from tank shell, or sudden unexplained water level drops indicating leaks
Engineering Tips
  • Implement routine internal inspections and non-destructive testing (e.g., ultrasonic thickness gauging) to monitor corrosion rates and plan proactive repairs.
  • Install cathodic protection systems (sacrificial anodes or impressed current) and maintain proper water treatment to control corrosion chemistry.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI/NSF 61 - Drinking water system components DIN 1988-100 - Technical rules for drinking water installations
Manufacturing Precision
  • Wall thickness: +/-5% of nominal thickness
  • Overall dimensions: +/-10mm for tanks up to 5000L capacity
Quality Inspection
  • Hydrostatic pressure test (typically 1.5x working pressure)
  • Visual and dimensional inspection per manufacturing drawings

Factories Producing Water Tank

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Project Engineer from United States Jan 13, 2026
★★★★★
"Found 27+ suppliers for Water Tank on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Jan 10, 2026
★★★★★
"The technical documentation for this Water Tank is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Australia Jan 07, 2026
★★★★★
"Reliable performance in harsh Electrical Equipment Manufacturing environments. No issues with the Water Tank so far."
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.”

13 sourcing managers are analyzing this specification now. Last inquiry for Water Tank from Turkey (1h ago).

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Frequently Asked Questions

What materials are recommended for water tanks in electrical equipment humidifiers?

Food-grade plastic materials like PP or ABS, or stainless steel, are recommended for corrosion resistance and safety in humidifier applications.

How does the water level indicator work in these tanks?

The water level indicator typically uses a transparent section or float gauge to visually monitor water levels, ensuring proper humidifier operation.

Why is a sealing surface important for humidifier water tanks?

A proper sealing surface prevents leaks and maintains consistent humidity levels, protecting sensitive electrical equipment from moisture damage.

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 Electrical Equipment Manufacturing sector.

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