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Cold Water High Pressure Washer Specification Example for Fleet Maintenance: Sealed Unit

Source:Engine Piston Ring Set / Time:2026-09-18

Cold Water High Pressure Washer Specification Example for Fleet Maintenance: Sealed Unit

This is a worked specification for cold water high pressure washer in a sealed unit programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The sealed unit version exists because the duty cycle on fleet maintenance is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually reorders that did not match the approved sample.

Cold Water High Pressure Washer

Example specification

ItemCold Water High Pressure Washer
ApplicationFleet Maintenance
VersionSealed Unit
Base materialCarbon Steel
Controlled dimensions5 key dimensions, recorded per lot
Tolerance band±0.2 mm
Finishpowder coated
MOQ200 pieces per specification
Sampling14 working days, 3 days per revision
ComplianceISO 9001

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Carbon Steel, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Cold Water High Pressure Washer example

Processes involved

  • electroplating
  • rubber vulcanisation
  • anodising
  • precision stamping
  • cold forging
  • injection moulding

Where this example applies

Programmes that run sealed unit most often specify this build for fleet maintenance. Related applications include aftermarket retail, scooter fleets, light trucks, trailer axles, courier fleets.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 1.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

How long does sampling take?

Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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