Industry-Verified Manufacturing Data (2026)

Reservoir Tank

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Reservoir 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 Reservoir Tank is characterized by the integration of Filler Cap and Sight Glass. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A container designed to store and supply fluid to a pump within a reservoir/pump assembly.

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Product Specifications

Technical details and manufacturing context for Reservoir Tank

Definition
The reservoir tank is a critical component of reservoir/pump assemblies that serves as a storage vessel for hydraulic fluid, coolant, lubricant, or other process fluids. It maintains fluid volume and pressure stability, provides surge capacity during pump operation, allows for fluid cooling and de-aeration, and facilitates maintenance access for fluid changes and system inspection.
Working Principle
The reservoir tank operates by providing a contained volume where fluid is stored at atmospheric or slightly pressurized conditions. Fluid enters from return lines and exits through suction lines to the pump. Baffles or internal structures may be incorporated to separate air from fluid, promote settling of contaminants, and maintain consistent fluid temperature through natural or forced convection.
Common Materials
Stainless Steel, Carbon Steel, Polyethylene
Technical Parameters
  • Total fluid capacity of the reservoir tank (L) Per Request
Components / BOM
  • Filler Cap
    Provides access for fluid filling and maintenance, often includes breather function
    Material: Plastic or Metal
  • Sight Glass
    Visual indicator for monitoring fluid level without opening the reservoir
    Material: Tempered Glass or Polycarbonate
  • Baffle Plate
    Internal divider that separates return and suction flows, reduces turbulence and promotes de-aeration
    Material: Same as tank material
  • Drain Plug
    Allows complete drainage of fluid for maintenance or fluid changes
    Material: Steel or Brass
Engineering Reasoning
0.5-3.0 bar (gauge pressure)
4.2 bar internal pressure or -0.8 bar vacuum
Design Rationale: Yield strength exceedance at 4.2 bar (SAE 304 stainless steel, 205 MPa yield) or buckling collapse at -0.8 bar vacuum (Euler critical load for cylindrical shell)
Risk Mitigation (FMEA)
Trigger Corrosion-induced wall thinning (pitting rate >0.5 mm/year in chloride environment)
Mode: Catastrophic rupture at operating pressure
Strategy: 316L stainless steel construction with 2.5 mm corrosion allowance and cathodic protection system
Trigger Thermal cycling (ΔT > 80°C/hour) during fluid exchange
Mode: Fatigue crack propagation from weld seams
Strategy: Post-weld heat treatment (650°C for 2 hours) and finite element analysis-optimized reinforcement rings

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Reservoir Tank.

stainless steel reservoir tank for pumps industrial polyethylene fluid storage tank carbon steel reservoir tank with baffle plate machinery equipment reservoir tank with sight glass heavy-duty reservoir tank drain plug filler cap

Applied To / Applications

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

Reservoir / Pump Assembly
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Material Reservoir/Supply Line
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 2 bar (gauge)
flow rate: Up to 100 L/min
temperature: -20°C to 80°C
slurry concentration: Up to 10% solids by weight
Media Compatibility
✓ Water ✓ Hydraulic Oil (ISO VG 32-68) ✓ Glycol-Water Mixtures (up to 50%)
Unsuitable: Concentrated Acids (e.g., Hydrochloric Acid >10%)
Sizing Data Required
  • Required Fluid Volume (L)
  • Maximum Flow Rate (L/min)
  • System Operating Pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion
Cause: Chemical attack from stored fluids or environmental exposure, leading to material degradation and potential leaks.
Structural fatigue cracking
Cause: Cyclic loading from thermal expansion/contraction, fluid level changes, or vibration, resulting in crack initiation and propagation.
Maintenance Indicators
  • Visible external corrosion, bulging, or weeping at seams/welds
  • Audible hissing or dripping sounds indicating leaks under pressure
Engineering Tips
  • Implement regular internal/external coating inspections and cathodic protection systems for corrosion control
  • Install strain gauges and conduct periodic non-destructive testing (ultrasonic thickness measurements) to monitor structural integrity

Compliance & Manufacturing Standards

Reference Standards
ISO 11439:2013 - Gas cylinders - High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles ASME Boiler and Pressure Vessel Code (BPVC) Section VIII - Rules for Construction of Pressure Vessels EN 13445 - Unfired pressure vessels
Manufacturing Precision
  • Wall thickness: +/-5% of nominal thickness
  • Overall dimensions: +/-2mm for lengths up to 2m
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure)
  • Ultrasonic thickness testing for corrosion assessment

Factories Producing Reservoir Tank

Verified manufacturers with capability to produce this product in China

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✓ 95% Supplier Capability Match Found

T Technical Director from Brazil Feb 27, 2026
★★★★★
"Testing the Reservoir Tank now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Project Engineer from Canada Feb 24, 2026
★★★★☆
"Impressive build quality. Especially the technical reliability is very stable during long-term operation. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from United States Feb 21, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Reservoir Tank meets all ISO standards."
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.”

10 sourcing managers are analyzing this specification now. Last inquiry for Reservoir Tank from Germany (1h ago).

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Frequently Asked Questions

What materials are available for the reservoir tank?

Our reservoir tanks are manufactured in stainless steel, carbon steel, and polyethylene to suit different industrial fluid storage needs and environmental conditions.

What components are included in the reservoir tank assembly?

Each reservoir tank includes a baffle plate for fluid stability, a drain plug for easy maintenance, a filler cap for secure access, and a sight glass for fluid level monitoring.

How does the reservoir tank integrate with a pump system?

The reservoir tank is designed to store and supply fluid directly to a pump within a reservoir/pump assembly, ensuring consistent fluid flow and system reliability in machinery applications.

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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