Editorial Technical Reference

Water Reservoir

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

Technical Definition & Core Assembly

A container that stores water for use in steam generation or water atomization systems

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

Product Specifications

Technical details and manufacturing context for Water Reservoir

Definition
A water reservoir is a critical component within steam generators or water atomizers that serves as a storage vessel for water before it undergoes heating, pressurization, or atomization processes. It ensures a continuous and stable water supply to the system, maintaining operational efficiency and preventing interruptions in steam production or water mist generation. The reservoir is typically constructed from materials such as stainless steel, carbon steel, or food-grade plastic, selected based on the application's requirements for corrosion resistance, pressure, and temperature. Key parameters include nominal capacity ranging from 0.5 to 100 m³, design pressure from 1.0 to 1.6 MPa, and design temperature from -20 to 150°C. Shell thickness varies from 6 to 30 mm, and material grades may include Q235B, 304, or 316L, depending on the media and environmental conditions. Corrosion allowance is typically 1 to 3 mm, and inlet/outlet diameters range from DN50 to DN300. The reservoir's weight can range from 200 to 5000 kg, affecting foundation and transport considerations. Surface treatment options include sandblasting with primer or pickling passivation to prevent corrosion during transport. Inspection standards such as GB/T 150 or ASME VIII are used for hydrostatic testing at 1.25 times the design pressure. These specifications serve as reference ranges and must be verified for the specific model and application. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement or installation.
Working Principle
The water reservoir operates by receiving and storing water from an external source, such as a water supply line or pump. It maintains water at atmospheric or slightly pressurized conditions, allowing it to be drawn into the steam generator's heating system or the atomizer's pumping mechanism as needed. The reservoir may include level sensors, overflow protection, and temperature monitoring to ensure proper water management and system safety. The stored water is kept at a stable level to provide a consistent supply, preventing fluctuations that could affect steam production or mist generation. The reservoir's design must accommodate the required capacity and pressure while ensuring structural integrity and corrosion resistance.
Common Materials
Stainless Steel, Carbon Steel, Food-Grade Plastic
Technical Parameters
ParameterTypical rangeNotes & selection driver
Nominal Capacity0.5–100 Select based on required water storage timeGB/T 150
Design Pressure1.0–1.6 MPaHigher pressure increases wall thickness and costGB/T 150
Design Temperature-20–150 °CAbove 150°C requires special materialsGB/T 150
Shell Thickness6–30 mmDetermined by pressure and diameterGB/T 150
Material GradeQ235B / 304 / 316LStainless steel for corrosive mediaGB/T 3274 / ASTM A240
Corrosion Allowance1–3 mmHigher for aggressive water chemistryGB/T 150
Inlet/Outlet DiameterDN50–DN300Match piping system requirementsGB/T 9119
Weight200–5000 kgAffects foundation and transport
Surface TreatmentSandblasting + primer / pickling passivationPrevents corrosion during transportISO 8501-1
Inspection StandardGB/T 150 / ASME VIIIHydrostatic test at 1.25× design pressureGB/T 150 / ASME BPVC

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
  • Reservoir Body
    The reservoir itself: holds the working fluid and lets air and contaminants separate out.
  • Inlet Valve Part
    Controls water entry into the reservoir
    Material: Brass or Stainless Steel
  • Outlet Port Part
    Connects to downstream components for water distribution
    Material: Stainless Steel
  • Level Sensor
    Monitors water level to prevent overflow or dry running
    Material: Stainless Steel with Electronic Components

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: 0 to 10 bar (gauge)
flow rate: 0 to 100 m³/h
temperature: -20°C to 150°C
slurry concentration: 0 to 30% solids by weight
Media Compatibility
✓ Potable water ✓ Demineralized water ✓ Industrial process water
Unsuitable: Highly corrosive chemical solutions (e.g., concentrated acids)
Sizing Data Required
  • Required water storage volume (m³)
  • Maximum system pressure (bar)
  • Required flow rate (m³/h)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced leakage
Cause: Electrochemical degradation of reservoir walls due to water chemistry (pH, dissolved oxygen, chlorides) or galvanic corrosion from dissimilar metals in construction materials.
Structural fatigue cracking
Cause: Cyclic stress from fluctuating water levels, thermal expansion/contraction, or seismic activity leading to crack propagation in welds or stress concentration points.
Maintenance Indicators
  • Visible rust streaks or weeping at seams/welds indicating active corrosion
  • Unusual audible creaking or groaning during filling/emptying cycles suggesting structural stress
Engineering Tips
  • Implement cathodic protection systems and apply corrosion-resistant linings (epoxy/polyurethane) based on water chemistry analysis
  • Install automated water level controls to minimize rapid level fluctuations and add expansion joints to accommodate thermal movement

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/AWWA D100-21 (Welded Steel Tanks for Water Storage) DIN 1988-1:2011 (Technical rules for drinking water installations - Part 1: Planning and installation)

Quoted from the published standard.

Manufacturing Precision
  • Wall thickness: +/-5% of nominal thickness
  • Vertical alignment: 1:1000 of total height
Quality Inspection
  • Hydrostatic pressure test (leakage verification)
  • Ultrasonic thickness testing (corrosion assessment)

Manufacturers of Water Reservoir

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

Center Enamel
Shijiazhuang, Hebei, CN
Also makes: Storage Tank, Water Tank
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What materials are commonly used for water reservoirs?

Common materials include stainless steel, carbon steel, and food-grade plastic. The choice depends on the application's requirements for corrosion resistance, pressure, and temperature. For example, stainless steel grades like 304 or 316L are used for corrosive media, while Q235B carbon steel is typical for less demanding conditions.

What is the typical capacity range for industrial water reservoirs?

The nominal capacity typically ranges from 0.5 to 100 m³, depending on the required water storage time and system demand. The specific capacity should be selected based on the operational needs and must be confirmed with the manufacturer.

How is the design pressure determined?

The design pressure is typically between 1.0 and 1.6 MPa, but it depends on the system's operating conditions. Higher pressures require increased wall thickness and cost. The design pressure must be verified against the actual system requirements and applicable standards.

What inspection standards apply to water reservoirs?

Inspection standards such as GB/T 150 or ASME VIII are commonly referenced. Hydrostatic testing is performed at 1.25 times the design pressure. Always confirm the applicable standards and testing procedures with the legal manufacturer or supplier.

Data Basis

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

Preliminary Technical Classification
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