Product Heating and Holding Tube for Aseptic Hot-Fill Systems

Product Specifications

Technical details and manufacturing context for Product Heating and Holding Tube

Definition

The Product Heating and Holding Tube is a critical component within an Aseptic Hot-Fill Beverage Bottling Line, designed to heat liquid products to specific sterilization temperatures and maintain them at those temperatures for a predetermined holding time to ensure microbial destruction while preserving product quality before aseptic filling into containers. Constructed from Stainless Steel 316L, the tube is available in inner diameters from 25 to 100 mm (ISO 1127), lengths from 1000 to 6000 mm, and wall thicknesses from 1.5 to 3.0 mm (ISO 1127). It operates at pressures of 1.0 to 1.6 MPa and temperatures of 85 to 140 °C, with a temperature uniformity of ±1.0 °C. The internal surface roughness is ≤0.4 μm Ra (ISO 4287) to prevent bacterial adhesion and ensure cleanability. Heating power density ranges from 2 to 4 W/cm² to avoid product scorching. Electrical specifications include insulation resistance ≥100 MΩ (IEC 60364-6) and dielectric strength of 1500 V AC (IEC 60335-1). Weight varies from 15 to 80 kg depending on size and wall thickness. These parameters serve as reference ranges; actual values must be confirmed for the specific model and application. The tube interfaces with upstream heating systems and downstream filling equipment, and its design must match the aseptic line's pipe size and layout. Verification questions include confirming the required time-temperature profile, flow rate, and compatibility with the product's characteristics. Maintenance signals include temperature deviations, pressure drops, or surface degradation. Failure boundaries include loss of temperature uniformity, leakage, or material fatigue. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

Beverage product flows through the tube while heat transfer occurs through the tube walls from an external heating medium (typically steam or hot water). The tube length and flow rate are designed to achieve the required time-temperature profile for pasteurization or sterilization, with insulation or additional heating elements maintaining temperature during the holding phase. The tube's dimensions and operating parameters are selected based on the product's thermal properties and the desired microbial reduction. Proper flow ensures uniform heating, and the holding section provides the necessary residence time. The system must be monitored for temperature uniformity and pressure stability to ensure effective processing.

Common Materials

Stainless Steel 316L

Technical Parameters

Parameter	Typical range	Notes & selection driver
Inner Diameter	25–100 mm	Matches aseptic filling line pipe sizeISO 1127
Length	1000–6000 mm	Customizable to line layout
Wall Thickness	1.5–3.0 mm	Pressure rating and heat transferISO 1127
Operating Temperature	85–140 °C	For hot-fill aseptic processes
Temperature Uniformity	±1.0 °C	Ensures product quality
Surface Roughness (internal)	≤0.4 μm Ra	Prevents bacterial adhesionISO 4287
Material Grade	316L	Corrosion resistance and cleanabilityASTM A269
Heating Power Density	2–4 W/cm²	Avoids product scorching
Insulation Resistance	≥100 MΩ	Electrical safetyIEC 60364-6
Dielectric Strength	1500 V AC	Withstands high voltageIEC 60335-1
Weight	15–80 kg	Depends on size and wall thickness

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

Tube Section Part
Primary conduit for product flow and heat transfer

Material: Stainless Steel 316L
Insulation Jacket Part
Minimizes heat loss during holding phase

Material: Food-grade insulation material
Temperature Sensors Part
Monitor product temperature at inlet and outlet

Material: Stainless Steel with PTFE coating
Support Brackets Part
Secure tube in position within the system

Material: Stainless Steel 304
Steam Heating Jacket
The outer annulus the heating medium flows through; heat crosses the tube wall from here.

Manufacturers of Product Heating and Holding Tube

Manufacturer profiles associated with Product Heating and Holding Tube.

Sourcing Product Heating and Holding Tube from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical material and surface finish?

The tube is made of Stainless Steel 316L with an internal surface roughness of ≤0.4 μm Ra (ISO 4287) to prevent bacterial adhesion and facilitate cleaning.

What operating temperature and pressure ranges are listed?

The reference operating temperature is 85–140 °C, and the operating pressure is 1.0–1.6 MPa. These are directory ranges; confirm the exact values for your specific model.

How is temperature uniformity maintained?

The tube is designed with a temperature uniformity of ±1.0 °C, achieved through controlled heating and insulation. Actual performance depends on flow rate and heating medium.

What standards are referenced for verification?

Standards include ISO 1127 for dimensions, ISO 4287 for surface roughness, ASTM A269 for material, and IEC 60364-6 and IEC 60335-1 for electrical safety. Always verify compliance with the manufacturer.

Data Basis

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

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.

Buyer enquiry

Request manufacturing insight for Product Heating and Holding Tube

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 10 bar (145 psi)
flow rate:	Up to 20,000 L/h (5,283 gal/h)
temperature:	80-150°C (176-302°F)
slurry concentration:	Up to 30% solids by weight

Product Heating and Holding Tube

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards