Editorial Technical Reference

Water Tank

This page explains how Water Tank is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

The water tank is a reservoir component within a humidifier that holds the water supply.

Representative product image. Confirm appearance and specifications with the manufacturer.

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. The tank is designed to store water at atmospheric pressure, and water is drawn from it via gravity, a pump, or capillary action, depending on the humidifier type, to the active humidification area where it is converted into moisture vapor. The tank is typically made from food-grade plastic (e.g., PP, ABS) or stainless steel, with a capacity ranging from 2 to 10 liters, dimensions from 150×100×200 mm to 300×200×400 mm, and a wall thickness of 1.5 to 3.0 mm. The material grade is PP (Polypropylene), which is food-grade and UV-stabilized for longevity. The operating temperature range is 5 to 60 °C, and the leakage test pressure is 0.03 to 0.05 MPa. Dimensional tolerances are ±0.5 mm per ISO 2768-m. The weight ranges from 0.2 to 1.5 kg, and the water inlet/outlet diameter is 6 to 12 mm. The tank may be clear or translucent for visual water level checks, and the surface finish is smooth with no sharp edges to prevent algae growth and ease cleaning. The material is resistant to water and mild detergents. These specifications are typical ranges; actual values must be confirmed for the specific model and application. Always verify with the legal manufacturer or supplier.
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. The tank's design ensures a steady supply of water to the humidification mechanism, and its capacity determines the duration between refills. The tank must maintain watertight integrity under normal operation, as verified by leakage tests. The operating temperature range and material properties ensure safe and reliable performance within the specified conditions.
Common Materials
Food-grade plastic (e.g., PP, ABS), Stainless steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Capacity2–10 LDetermines humidification duration between refills.
Dimensions (L×W×H)150×100×200–300×200×400 mmMust fit within appliance enclosure.
Wall Thickness1.5–3.0 mmThicker walls improve rigidity and reduce deformation.
Material GradePP (Polypropylene)Food-grade PP for safety; UV-stabilized for longevity.
Operating Temperature5–60 °CExceeding range may cause warping or leakage.
Leakage Test Pressure0.03–0.05 MPaEnsures watertight integrity under normal operation.
Tolerance (Dimensions)±0.5 mmCritical for mating with pump and seals.ISO 2768-m
Weight0.2–1.5 kgAffects shipping cost and handling.
Water Inlet/Outlet Diameter6–12 mmMust match pump and tubing connections.
TransparencyClear or translucentAllows visual water level check.
Surface FinishSmooth, no sharp edgesPrevents algae growth and eases cleaning.
Chemical ResistanceResistant to water and mild detergentsWithstands cleaning agents without degradation.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Tank Body
    The tank shell itself: holds the contents and carries the static and operating loads.
  • Fill Opening/Cap Part
    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 Part
    Connection point where water exits the tank to the humidification mechanism.
    Material: Plastic
  • Base/Sealing Surface Part
    Ensures a tight, leak-proof fit when the tank is seated on the humidifier base.
    Material: Plastic (often with rubber seal)

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

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.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/NSF 61 - Drinking water system components DIN 1988-100 - Technical rules for drinking water installations

Quoted from the published standard.

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

Manufacturers of Water Tank

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

JASIC Technology Co., Ltd.
Shenzhen, Guangdong, CN
Founded 2005
Listed on the company's own website · profile compiled by CNFX from public sources
ANSON Industry
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Best Crown China
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Center Enamel
Shijiazhuang, Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Changzhou Treering Plastics Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Chillerone
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Foshan Blueway Electric Appliances Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Guangzhou Chunke Environmental
Guangzhou, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hebei Tengjun FRP Co., Ltd.
Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hebei Yongchang Composite Material Technology Co., Ltd.
Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Huili Water Tank
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Huntop
Zhejiang, CN
Also makes: Proportioning Pumps, Dosing Pump, Spray Nozzle and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
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Frequently Asked Questions

What materials are used for the water tank?

The water tank is typically made from food-grade plastic (e.g., PP, ABS) or stainless steel. The material grade on file is PP (Polypropylene), which is food-grade and UV-stabilized for longevity.

What is the typical capacity range?

The capacity ranges from 2 to 10 liters, which determines the humidification duration between refills. The exact capacity depends on the specific model and application.

What standards apply to the water tank?

The leakage test pressure is specified, and dimensional tolerances are per ISO 2768-m. These standards serve as verification references; actual compliance must be confirmed with the manufacturer.

How should the water tank be maintained?

The tank's smooth surface and resistance to water and mild detergents facilitate cleaning. Regular cleaning prevents algae growth and ensures proper operation. Always follow the manufacturer's maintenance instructions.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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