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How to specify a Tunnel Dryer

What to put on an RFQ for Tunnel Dryer: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Tunnel DryerTRADINOR · FIGUREWhat to lock for Tunnel DryerUtilitiesHygiene fileThroughputContact materials
Put these on the RFQ for Tunnel Dryer before you compare prices.

A buyer searching for Tunnel Dryer is usually trying to stop a bad substitute. Food equipment is specified by throughput, the food it touches, cleanability, and the hygiene standard you will be audited against. The notes below are selection criteria for a Tunnel Dryer. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Tunnel Dryer

Food equipment is specified by throughput, the food it touches, cleanability, and the hygiene standard you will be audited against. For a Tunnel Dryer, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Tunnel Dryer is easy to confuse with Can Filler. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Tunnel Dryer
Utilities Power, water, steam, and drains.
Hygiene file The food-contact and machinery documents the plant’s audit expects.
Throughput Kilograms or pieces per hour of a named food.
Contact materials Stainless grade or another food-contact material.
Cleanability Open frame, CIP, or a stated wash method.
Temperature Chilled, ambient, or cooked product.

How to compare two offers

Lay both quotes for Tunnel Dryer on one sheet and line up utilities, hygiene file, and throughput. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Tunnel Dryer with a cheaper line that omitted utilities.

Documents worth having before the deposit

Ask for a cleaning procedure and a general arrangement with drains. The file should name Tunnel Dryer and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Understating throughput at the real product, not a demo product.
  • Buying a machine that cannot be cleaned to the plant’s audit.
  • Ignoring product temperature.

On a Tunnel Dryer, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Tunnel Dryer — State food, throughput, contact material, cleaning method, and utilities.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like IP67 belong

Searches often add a constraint to Tunnel Dryer: IP67, or automotive grade. Keep those on this page. IP67 is dust-tight plus a defined temporary immersion. It is not a rating for living underwater, and it says nothing about sunlight or salt. Automotive grade is a temperature, vibration, and documentation claim. Ask which AEC or customer spec is actually met, and for which part number. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Can Filler.

Questions buyers actually ask

What should an RFQ for Tunnel Dryer include?

State food, throughput, contact material, cleaning method, and utilities.

Is a cheaper Tunnel Dryer the same part?

Only if utilities, hygiene file, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Tunnel Dryer they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.