Editorial Technical Reference

Coolant Reservoir/Pump

This page explains how Coolant Reservoir/Pump is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A combined unit that stores and circulates coolant fluid within a quenching system to control temperature during metal heat treatment processes.

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Product Specifications

Technical details and manufacturing context for Coolant Reservoir/Pump

Definition
The Coolant Reservoir/Pump is an integrated component of industrial quenching systems, consisting of a storage tank for holding coolant fluid (typically water, oil, or polymer solutions) and a pumping mechanism that circulates this fluid through the system. Its primary function is to maintain consistent coolant flow and temperature during the quenching process, where heated metal parts are rapidly cooled to achieve desired material properties like hardness and strength. The reservoir provides volume capacity and temperature stabilization, while the pump ensures proper fluid circulation and pressure. This unit is designed for basic metal manufacturing environments, where it supports heat treatment operations. The reservoir is typically constructed from stainless steel (grades 304 or 316), cast iron, or polypropylene, depending on the coolant type and corrosion requirements. The pump may be made of CF8 or CF8M stainless steel for higher corrosion resistance. Key parameters include tank capacity (100–500 L), flow rate (20–120 L/min), operating pressure (1.0–1.6 MPa), motor power (0.75–7.5 kW), voltage (380–480 V AC per IEC 60038), frequency (50–60 Hz), maximum fluid temperature (60–90°C), ambient temperature (-10 to 50°C), ingress protection (IP54–IP65 per IEC 60529), and weight (150–600 kg). These values are reference ranges and must be verified for the specific model and application. The unit operates as a closed-loop system: coolant is stored in the reservoir, pumped to spray nozzles or immersion baths, contacts hot metal parts, and returns to the reservoir for cooling before recirculation. This ensures consistent quenching performance. For procurement, verify model-specific specifications, material grades, and compliance with relevant standards with the legal manufacturer or supplier.
Working Principle
The reservoir stores coolant at a controlled temperature, often with cooling coils or heat exchangers. When quenching is initiated, the pump draws coolant from the reservoir and circulates it through spray nozzles or immersion baths to contact hot metal parts. The heated coolant returns to the reservoir where it's cooled before recirculation, creating a closed-loop system that maintains consistent quenching performance.
Common Materials
Stainless Steel, Cast Iron, Polypropylene
Technical Parameters
ParameterTypical rangeNotes & selection driver
Tank Capacity100–500 LSelect based on system flow rate and heat load.
Flow Rate20–120 L/minMust match quenching requirements.
Operating Pressure1.0–1.6 MPa
Motor Power0.75–7.5 kWDepends on flow and head requirements.
Voltage380–480 V ACThree-phase, 50/60 Hz.IEC 60038
Frequency50–60 HzCompatible with motor ratings.
Max Fluid Temperature60–90 °CAbove 90°C may degrade seals.
Ambient Temperature-10–50 °COutside range may affect motor cooling.
Ingress ProtectionIP54–IP65IP65 for dusty or wet environments.IEC 60529
Tank Material304–316 SS316 for corrosive coolants.ASTM A240
Pump MaterialCF8–CF8MCF8M for higher corrosion resistance.ASTM A351
Weight150–600 kgAffects installation and foundation.

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
  • Impeller
    Rotating component that moves coolant through the pump
    Material: Stainless Steel
  • Tank Baffles Part
    Internal plates that control coolant flow and prevent vortex formation
    Material: Stainless Steel
  • Seal Assembly Part
    Prevents coolant leakage around the pump shaft
    Material: Carbon/Ceramic
  • Reservoir Tank
    The tank that holds and cools the coolant; the baffles sit inside it.
  • Cooling Coils Optional
    Take heat out of the returning coolant inside the tank, on cooled reservoirs.

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: 0-6 bar (operating), 10 bar (max burst)
flow rate: 5-500 L/min (typical range)
temperature: -20°C to 120°C (operating), -40°C to 150°C (material limits)
slurry concentration: ≤5% solids by weight (max for standard pump)
Media Compatibility
✓ Water-glycol mixtures ✓ Mineral oil-based coolants ✓ Synthetic quench oils
Unsuitable: Highly acidic or caustic solutions (pH <4 or >10)
Sizing Data Required
  • Required cooling capacity (kW)
  • System volume and required circulation rate (L/min)
  • Maximum operating temperature and ambient conditions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation
Cause: Insufficient net positive suction head (NPSH) due to low coolant level, clogged inlet filter, or excessive pump speed causing vapor bubble formation and implosion damage to impeller and housing.
Seal leakage
Cause: Mechanical seal failure from abrasive particles in coolant, improper alignment causing shaft deflection, or thermal cycling leading to seal face wear and coolant loss.
Maintenance Indicators
  • Unusual high-pitched whining or grinding noise from pump indicating cavitation or bearing failure
  • Visible coolant leakage around pump seals or reservoir connections with dripping or pooling fluid
Engineering Tips
  • Maintain proper coolant level and ensure inlet strainers are clean to prevent cavitation by maintaining adequate NPSH
  • Implement regular coolant filtration and analysis to remove abrasive particles and maintain proper chemical balance to protect seals and internal components

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
ISO 1219-1:2012 (Fluid power systems and components) ANSI/ASME B46.1-2019 (Surface Texture) DIN 7150-1:2007 (Tolerances for fits)

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Flatness of mounting surface: 0.1mm
Quality Inspection
  • Pressure test: 1.5x operating pressure for 30 minutes
  • Material verification: Spectrographic analysis for alloy composition

Manufacturers of Coolant Reservoir/Pump

Manufacturer profiles associated with Coolant Reservoir/Pump.

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Frequently Asked Questions

What is the typical tank capacity range for this coolant reservoir/pump?

The tank capacity is typically in the range of 100 to 500 liters, but the exact value depends on the system's flow rate and heat load. Always confirm the required capacity with the manufacturer for your specific application.

What materials are commonly used for the tank and pump?

The tank may be made of stainless steel (grades 304 or 316), cast iron, or polypropylene. The pump is often made of CF8 or CF8M stainless steel. Material selection depends on the coolant type and corrosion resistance requirements.

What operating pressure is typical for this unit?

The operating pressure is typically between 1.0 and 1.6 MPa. Verify the pressure rating for your specific model.

What is the recommended ingress protection rating?

The ingress protection rating is typically IP54 to IP65, per IEC 60529. IP65 is recommended for dusty or wet environments. Confirm the rating for your installation conditions.

Data Basis

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

Preliminary Technical Classification
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