INDUSTRY COMPONENT

Header Pipe

Header pipe for distributing coolant in industrial cooling headers

Component Specifications

Definition
A header pipe is a primary distribution component in cooling header systems that collects and distributes coolant (water or air) to multiple branch lines or cooling circuits. It serves as the main manifold that ensures uniform flow distribution and pressure regulation across parallel cooling channels in industrial heat exchange applications.
Working Principle
Operates on fluid dynamics principles where coolant enters through a single inlet and is distributed through multiple outlets. The pipe's internal geometry and diameter maintain laminar flow to minimize pressure drop while ensuring equal distribution to all connected cooling circuits.
Materials
Stainless steel (AISI 304/316), carbon steel (ASTM A106), copper alloys (C12200), or aluminum alloys (6061-T6) depending on coolant type and operating conditions
Technical Parameters
ParameterTypical rangeNotes & selection driver
Diameter25-200 mm
Surface FinishRa ≤ 3.2 μm for internal surfaces
Connection TypeFlanged, threaded, or welded
Pressure Rating10-40 bar
Temperature Range-20°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 1127, DIN 2448, ASME B36.10M

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Corrosion from coolant chemistry
  • Thermal stress cracking
  • Flow imbalance leading to uneven cooling
  • Pressure surge damage
  • Leakage at connection points
FMEA Triads
Trigger: Corrosive coolant chemistry
Failure: Wall thinning and eventual rupture
Mitigation: Use corrosion-resistant materials (stainless steel), implement regular thickness testing, maintain proper coolant pH levels
Trigger: Thermal cycling
Failure: Fatigue cracking at welded joints
Mitigation: Design with expansion loops or bellows, use stress-relieved welds, implement gradual temperature changes
Trigger: Improper installation alignment
Failure: Leakage at flange connections
Mitigation: Use precision alignment tools during installation, follow torque specifications for bolts, use appropriate gasket materials

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.5% of nominal diameter for roundness, ±1.0 mm for straightness per meter length
Test Method
Hydrostatic pressure testing at 1.5x working pressure for 30 minutes, visual inspection per ASME B31.3, ultrasonic thickness testing

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
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Header Pipe

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

CHAL Aluminium Corporation
Chongqing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Aluminium Header Pipe”
View source page ↗ chaluminium.com · recorded 2026-09-04
Jinan Yuanda Power Equipment Co., Ltd.
Jinan, Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Boiler header pipe”
View source page ↗ jnyuandaboiler.com · recorded 2026-09-11

Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

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Frequently Asked Questions

What is the difference between header pipe and manifold?

Header pipe refers specifically to the main distribution pipe in cooling systems, while manifold is a broader term that includes the complete assembly with valves, fittings, and branch connections. The header pipe is the core component of a cooling manifold system.

How to select the right header pipe diameter?

Diameter selection depends on total flow rate, pressure drop requirements, and number of branch circuits. Use flow calculations considering Reynolds number for laminar flow (Re < 2300) and consult ASME B31.3 for pressure piping design guidelines.

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.

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