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Against your drawing

Sanitary valve dimensional inspection, before anything is packed

Sanitary valve dimensional inspection is the last thing between a finished part and the crate. A valve that will not meet the ferrule on your line is scrap, however good the steel was. Size, roundness and straightness are measured against your drawing.

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All of our checks
Sanitary valve dimensional inspection: a stainless steel tube measured with a caliper at Joneng
Diameter detection

Instrument

Vernier and dial calipers

How often

First article, then 10% of the run

What you get

A first-article report before the run

The method

How sanitary valve dimensional inspection is done

What the check is there to find, what is actually done with the instrument, and what leaves the factory with the goods.

01

What it catches

  • Bores and connections outside tolerance, which show up as a clamp that will not seal.
  • Out-of-round ends on tube and fittings, from forming or handling.
  • Bent or twisted assemblies that will not line up on a rack.
02

How it is run

  • Vernier and dial calipers for size and roundness; a horizontal and vertical scale for straightness.
  • Two samples of any new part are measured against your drawing before bulk production. The report goes to you first.
  • At least 10% of a finished quantity is measured again before packing.
03

What you get

  • The first-article report for a new part is sent before the run starts.
  • Measurements on a finished order are available on request.

Measured against

  • ASME BPE(opens in a new tab) The dimensional standard hygienic fittings and their clamp connections are built to. Where your drawing names it, it is what we measure against.
On the bench

Size inspection, photographed

Calipers against a ferrule, a mixproof valve and a butterfly valve — the last measurement before a part joins the packing list.

Questions about dimensions

Will you check a new part against my drawing?
Yes. Two samples are measured against your drawing and the report goes to you before bulk production begins, so a dimension is argued about on paper rather than on a pallet.
How much of a finished order is measured?
At least 10% of the quantity, for size, roundness, roughness, thickness and sand holes — on top of the pressure test every valve gets.
What is in a first-article report?
The measured sizes of two samples off the new tooling, set against the drawing you sent. It goes to you before bulk production starts, so a dimension is argued about on paper rather than on a pallet.
Do you check straightness as well as size?
Yes. Assemblies are checked on a horizontal and vertical scale before they are packed, because a part that measures correctly and sits crooked will still not line up on a rack.
What happens to a part outside tolerance?
It does not join the packing list. The measurement is the last thing between a finished part and the crate, which is why it is done there rather than earlier.
Is the quantity checked too?
Yes. The quantity of each line is counted against the order before it is packed, so a short or wrong item is found by us rather than by you.
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Send the specification, not an introduction

Tell us the size, the connection and what runs through it, and you get a priced quotation instead of a request for more information.

  • Material certificate on every order
  • Every valve pressure tested, not sampled
  • Quoted in your language and your Incoterm

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