TPU vs PVC Layflat Hose — Two Materials, Weighed Duty by Duty

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This comparison is written by a manufacturer that sells both — PVC layflat and TPU layflat in the same catalogue family — and whose commercial interest is served by either choice, provided the hose survives its duty and the buyer reorders.

What is documented for each material

The documentary positions are not symmetrical, and the asymmetry is itself the first fact of the comparison. For PVC layflat, this range publishes a complete specification: sizes from 3/4 in to 16 in, working pressure 2 to 10 bar, burst pressure 6 to 30 bar, roll lengths and colours — all carried on the layflat product page. For TPU layflat, the record on this site is its listing in the same catalogue family, and the figures for your bore and duty are confirmed per enquiry in the written quotation. Questions of wear behaviour, handling and service life — the questions this material choice actually turns on — are not answered by either material's name; they are answered by the single-length trial method set out later in this article, run on the buyer's own ground.

The arithmetic that matters: cost per season

Metre price is the wrong unit for this decision. The right unit is cost per season of service in your duty: purchase price divided by realistic service life, plus the handling and freight differences, plus the cost of a mid-season failure if the duty has one. Neither input in that division can be taken from this page: the price comes from the side-by-side quotation for your bore and metres, and the service life comes from your own fleet records or from a trial length run in your conditions. Buyers should also price the failure term honestly — and which term dominates in a given duty is read off those same records, not a weight this page assigns in advance. There is no universal answer — there is an answer per duty profile, computed from the buyer's own numbers.

Two runs to put to the trial

Neither row below is a duty listed for either material. Each row is a run on the buyer's own ground, read as a worked example and tested by the trial method set out later in this article; what each material is documented for is set out in the section above.

Two specification cautions complete the comparison. First, TPU sizes and pressures are confirmed per enquiry in the written quotation; the productive way to buy is to ask for a side-by-side quotation — both materials priced against your bore, pressure and metres on one sheet. Second, a material switch is not a paperwork change: the couplings and the suction side of the set must be re-confirmed against the material actually ordered — tail fit against the hose wall, gasket against the medium, the suction line's construction against the intake duty — because hardware fitted to one material's wall cannot be assumed to serve the other unchanged. Name the coupling standard in the enquiry and the quotation confirms the hardware for the material on the order, so a switch mid-programme is specified as a set, not assumed.

Sectioning a line by duty: the hybrid question

Whether a line can be sectioned by material at all is not a question this page answers in advance. How abrasion is distributed over a real installation is a fact of that installation, read off the buyer's own ground: which metres are dragged when the line moves, which crossings take vehicle and boot traffic, and which runs sit static are different facts on different sites. That uneven map is reason to put the question in the enquiry: whether different lengths in different materials can serve different sections of one line. Which material belongs in which section is exactly the question the trial method above settles on your own ground, so no section assignment is stated here as a rule. The joining is the other half of the same question: whether the two materials can be joined in your line at all, and with what hardware, is confirmed in the enquiry for the specific pair — sizes, classes and hardware for both materials stated there, against each material's wall and the coupling standard you name — before a mixed-material line is quoted as one programme.

Storage behaviour completes the programme picture. The storage discipline this site publishes — drained, dried, coiled without twists, out of sun and away from rodents — is set out for the PVC layflat range in the storage and repair guide; what storage a TPU length needs on your programme is a point to raise in the enquiry. Plan the fleet as a system — trial lengths by duty, spares by failure consequence, storage by the book — and the TPU-versus-PVC question becomes what it always was: not a contest, but an allocation problem your own records answer.

Qualifying TPU on your own ground before the programme

Because the material choice is duty-dependent, it should be qualified empirically rather than believed. The efficient trial is a single lead length: one TPU roll placed in the hardest position of an existing PVC system — the dragged section, the crossing, the reel line — and run for a season beside the PVC it may replace. Wear depth, handling reports from the crew and condition at season's end give you the two numbers the whole comparison turns on: the wear each length shows after the same season in your abrasion, and how your people rate working with each. Both are unobtainable from any datasheet; they are figures only your own trial produces. The figures the written quotation settles for this manufacturer's TPU line are the specification figures for your bore and duty, confirmed per enquiry. A season later the side-by-side quotation stops being a negotiation about claims and becomes arithmetic about your own trial. It is the same sample-first structure this site recommends for every family, worth most where the money is largest.

One further trial detail is worth recording while the lead length runs: photograph the wear zones at fitting and at season's end. File those photographs beside the purchase record: dated pictures of cover condition give the factory precise evidence of the trial length's state if a construction change is requested for the follow-on programme.

Is TPU stronger than PVC at the same size?

Pressure strength comes from the whole construction, not the polymer name. Compare rated working pressure at your bore for both offers — the quotation stage — rather than assuming the polymer name wins the axis.

Can TPU and PVC layflat be joined in one line?

Whether the two materials can be joined in your line is itself part of what the enquiry settles, not something this page answers in advance: state the layout in the enquiry, and the quotation confirms whether a joint is offered for it and, if so, the sizes, classes and hardware for both materials together — hardware fitted to one material's wall is not assumed to serve the other unchanged.