Piping and Hoses: Temperature Range -40°C to 150°C

Component Specifications

Definition

Piping and hoses in coolant circulation systems are engineered conduits that facilitate the controlled flow of coolant fluids (typically water-glycol mixtures or specialized coolants) from the reservoir to heat exchangers, pumps, and machinery components requiring temperature regulation. They maintain system pressure, prevent leaks, and ensure thermal management in industrial applications.

Working Principle

Piping and hoses operate on fluid dynamics principles, utilizing pressure differentials created by pumps to move coolant through closed-loop systems. Rigid piping provides structural support for high-pressure segments, while flexible hoses accommodate vibration, thermal expansion, and movement between connected components, ensuring continuous coolant flow without interruption.

Materials

Materials include stainless steel (AISI 304/316), carbon steel (ASTM A106), PVC, reinforced rubber (EPDM, NBR), and thermoplastic polymers (PTFE, polyurethane). Selection depends on coolant type, temperature range (-40°C to 150°C), pressure requirements (up to 25 bar), and chemical compatibility.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	1/4" to 12"
Flow Rate	5-500 L/min
Burst Pressure	≥4x operating pressure
Connection Type	Flanged, threaded, quick-disconnect
Pressure Rating	10-25 bar
Temperature Range	-40°C to 150°C

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

Standards

ISO 15493, ISO 15494, DIN 11850, DIN 2391

Parent Products

This component is used in the following industrial products

Coolant Circulation System

A system that circulates coolant fluid to transfer heat away from industrial processes or equipment within a cooling zone.

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Engineering Analysis

Risks & Mitigation

Coolant leakage leading to equipment overheating
Hose degradation from chemical incompatibility
Pressure surges causing burst failures
Contamination from material breakdown

FMEA Triads

Trigger: Material fatigue from thermal cycling
Failure: Crack formation and coolant leakage
Mitigation: Use hoses with temperature-resistant materials (e.g., EPDM), implement regular thermal stress testing

Trigger: Improper installation causing misalignment
Failure: Premature wear and connection failure
Mitigation: Follow manufacturer torque specifications, use alignment tools during installation, conduct post-installation pressure tests

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on diameter, ±1% on pressure rating

Test Method

Hydrostatic pressure testing per ISO 1402, leak testing with inert gas, material certification per ASTM standards

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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

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Manufacturers of Piping and Hoses

Manufacturer profiles associated with Piping and Hoses.

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Frequently Asked Questions

What is the difference between piping and hoses in coolant systems?

Piping refers to rigid, fixed conduits (typically metal or plastic) used for main coolant lines, while hoses are flexible connections that accommodate movement, vibration, and thermal expansion between components.

How often should coolant hoses be replaced?

Replace every 3-5 years or according to manufacturer guidelines, with regular inspections for cracks, swelling, or leaks every 6 months in high-temperature applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Piping and Hoses