Hoses/Piping: Temperature Range -40°C to +120°C

Component Specifications

Definition

Hoses and piping are critical components in coolant systems designed to transport cooling fluids between heat exchangers, pumps, reservoirs, and machinery components. They maintain precise temperature control by facilitating efficient heat transfer through continuous fluid circulation, preventing overheating and ensuring optimal operational conditions in industrial equipment.

Working Principle

Coolant hoses/piping operate on fluid dynamics principles, creating closed-loop circuits where coolant absorbs heat from machinery components and transfers it to cooling units. The system relies on pressure differentials created by pumps to maintain consistent flow rates, with hose/piping design minimizing friction losses and ensuring thermal stability through material properties that resist degradation from temperature fluctuations and chemical exposure.

Materials

Reinforced synthetic rubber (EPDM, NBR), thermoplastic polymers (PVC, polyurethane), stainless steel (304/316), aluminum alloys, with inner liners resistant to glycol-based coolants, oils, and additives.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bend Radius	3×OD minimum
Burst Pressure	≥40 bar
Inner Diameter	6-50 mm
Pressure Rating	10-25 bar
Temperature Range	-40°C to +120°C
Chemical Resistance	ASTM D471 compliant

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 18752, DIN 20018, SAE J20, ISO 1402

Parent Products

This component is used in the following industrial products

Coolant System

A system that circulates coolant fluid to manage heat, lubricate, and remove chips during aluminum CNC drilling operations.

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Engineering Analysis

Risks & Mitigation

Chemical degradation from coolant additives
Pressure-induced burst failures
Thermal expansion/contraction stress
Abrasion from adjacent components
Improper installation causing leaks

FMEA Triads

Trigger: Chemical incompatibility between hose material and coolant additives
Failure: Inner liner degradation leading to particulate contamination and flow restriction
Mitigation: Implement material compatibility testing protocols and use manufacturer-approved coolant formulations

Trigger: Excessive system pressure exceeding hose rating
Failure: Catastrophic burst causing coolant loss and machinery overheating
Mitigation: Install pressure relief valves and regular pressure testing at 1.5× operating pressure

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2% on inner diameter, ±5% on pressure rating verification

Test Method

Hydrostatic pressure testing per ISO 1402, chemical resistance per ASTM D471, impulse testing per SAE J343

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 Hoses/Piping

Manufacturer profiles associated with Hoses/Piping.

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Frequently Asked Questions

How often should coolant hoses be replaced in industrial machinery?

Replace coolant hoses every 2-5 years depending on operating conditions, or immediately if showing signs of cracking, swelling, or leakage. Regular inspections should check for abrasion, chemical degradation, and connection integrity.

What materials are best for high-temperature coolant applications?

Silicone-reinforced EPDM hoses withstand temperatures up to 180°C, while stainless steel piping is preferred for extreme temperatures above 200°C. Material selection must consider both thermal stability and chemical compatibility with coolant formulations.

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.

Hoses/Piping