Inspection is not a generic “100% tested” badge. The useful version starts with an approved reference and written acceptance criteria, records what was checked on the actual order and leaves unsupported characteristics open.

Hydraulic Inspection Process hydraulic technical reference illustration
Topic CHECKLIST, EVIDENCE, HOLD OR RELEASEReview Technical referencesUse RFQ preparationSupport Application matching

Send your acceptance criteria with the RFQ.: We will separate available evidence from checks that need a supplier, laboratory or independent inspection route.

1. Freeze the inspection input

  • Buyer reference and approved proposed model
  • Drawing revision, datasheet or agreed comparison record
  • Quantity, sampling plan and critical characteristics
  • Required markings, condition, documents and packing
  • Acceptance limits and the person authorized to approve deviations

Without a frozen reference, an inspector can confirm appearance and quantity but cannot decide technical conformity.

2. Select checks that answer the actual risk

CheckTypical evidenceWhat it does not prove alone
Identity and quantityNameplate, part label, serial or batch photos and countInternal configuration or performance
Visual conditionSurface, casting, machining, ports, connectors and damage photosMaterial grade or hydraulic function
Dimensions and interfacesRecorded values for agreed mounting, shaft, flange, port or envelope pointsPerformance under pressure or load
Function or pressure testTest method, unit identity, conditions, readings and resultCharacteristics outside the recorded test points
Packing releaseProtection, labels, package count, weight and final photosProduct conformity not checked earlier

3. Record exceptions before release

  • Pass: the recorded check meets the agreed criterion
  • Hold: evidence is missing, unclear or outside the limit
  • Conditional approval: the buyer accepts a documented deviation in writing
  • Reject or rework: the source must correct or replace the affected unit

4. Build the order evidence pack

  • Order and line-item reference
  • Actual unit, label or batch identity
  • Dated photos and measurement or test records when included
  • Exception, corrective-action and approval record
  • Final packing list and release status

Inspection boundaries

The quotation must say whether checks are performed by the supplier, coordinated by Hydraulic Match, performed by an independent inspector or witnessed by the buyer. Test availability, sample size and cost are confirmed before order placement.

Inspection reduces defined risks; it does not create evidence for characteristics that were not checked.

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