Multi-Lumen Tubing

Custom multi-lumen (multi-bore, multi-core) tubing: twin and multi-line parallel lines for equipment integration. Lumen count, sizes, material and construction are agreed per drawing or sample.

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PRODUCT OVERVIEW

Product overview

Multi-lumen tubing carries two or more lines side by side in one piece, so a machine needs fewer separate tubes to route. We make twin and multi-line parallel tubing to your drawing or sample, with the material, dimensions and construction agreed for the project. It is made to order, so this page has no fixed model table.

Tubing extrusion and coiling line in the Hefei factory

How the tubing is made and checked

Tubing is produced on extrusion and coiling lines and checked with dimensional, pressure-hold, burst-pressure and tensile equipment listed in the company inventory. Product requirements are reviewed against the drawing and order.

IncomingCheck supplier documents, material identity, specification, quantity and packaging.
In processDrawing and route-sheet revision checks, measurement-equipment status and inspection records.
Finished tubingIdentity, surface and tube-end condition, dimensions, marking, cleanliness and packaging.

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Supply terms

MOQ
Standard specifications: 500 m per specification. Custom specifications: from 3,000 m per specification.
Lead time
Standard product: 5–12 working days. Custom product: 10–20 working days. Lead time starts after the technical specification is confirmed and the agreed payment is received.
Samples
Standard specifications: 1–3 m. Sample fee and shipping are paid by the customer; the sample fee can be credited against the first bulk order within 6 months, shipping is not credited.

Final MOQ and lead time are confirmed by material, specification, color, packaging and order quantity.

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Selection notes and conditions

Multi-lumen, multi-bore, multi-core and twin tubing are names for the same idea: tubing with two or more channels joined together. Freelin-Wade defines multi-bore tubing as two or more bores extruded together in a single piece, offered as twin, triple and quad versions (Freelin-Wade multi-bore tubing); Universal Power Conversion describes tubes extruded as one piece and joined by a connecting web (multi-bore PU tubing). A tube bundle is different: separate tubes carried inside a shared jacket. If you need a jacketed bundle, say so in your request.

Two constructions are common in the industry. In single-extrusion tubing with parallel bores, all bores share one compound and one color, and Freelin-Wade notes that this tubing cannot be separated cleanly and should not be used with push-in fittings. In separate tubes bonded side by side, such as Freelin-Wade’s multi-colored ribbon, each line can have its own color; Freelin-Wade states that its single-extrusion multi-bore tubing has a sturdier bond between the bores than ribbon tubing. Which construction is feasible for your size, material and bend requirement is confirmed during technical review. Decide early whether the lines must be separated at the ends, because that sets the fittings you can use.

For a quotation, send: the number of lumens and the OD × ID (or wall) of each, plus the overall width you need; material and hardness, medium, pressure and temperature; whether lines must separate at the ends and the fittings you plan to use; color or identification of each line; bend radius or drag-chain use; length, quantity, marking and packaging. The quotation checklist lists the rest.

TECHNICAL DATA

Specifications & available sizes

This is a made-to-order product. No standard model table, pressure rating or size list is published; values are agreed against the drawing or sample and confirmed on samples.

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Technical specifications
Product	Multi-lumen tubing (made to order)
Structure	Parallel integrated lines: double-row and multi-line, for equipment line integration
Lumens and sizes	Number of lumens and the OD, ID and wall of each line, agreed per drawing or sample
Material	Agreed per project
Construction	Single extrusion with joined bores, or separate tubes bonded side by side; confirmed during technical review
Color, marking, packaging	Custom color, continuous marking and packaging options, agreed per project
Supply terms	Custom products: from 3,000 m per specification; lead time 10-20 working days after the specification is confirmed and payment is received (published supply terms). Samples on request.

DOCUMENTATION

Technical downloads

Application considerations

QUESTIONS

Product FAQ

Is multi-lumen tubing the same as multi-core or multi-bore tubing?

Yes, in general: all describe tubing with two or more channels in one piece. Suppliers use different names, so describe the number of channels, their sizes and how they are joined.

Is multi-lumen tubing the same as a tube bundle?

No. A tube bundle carries separate tubes in a shared jacket. Multi-lumen tubing joins the channels along their length. Tell us which one you mean.

Can the lines be separated at the ends?

It depends on the construction. Single-extrusion multi-bore tubing is generally not separated cleanly, which also affects push-in fittings. State the requirement in your brief and approve a sample.

Can each line have a different size or color?

Send the requirement. Channels extruded together share one compound, so mixed colors or materials usually call for a different construction, which we review with you.

Do you list standard sizes and pressure ratings?

No. It is a custom structure, so dimensions and ratings are agreed against your drawing or sample and the operating conditions.