Uzun Hidrolik minimizes the error thanks to its 3-dimensional design and production. Quality control awareness is the ultimate in every process from order arrival until the product leaves the factory.


Certified according to ISO 9001: 2015.


Uzun Hidrolik has a wide quality control procedure. Processes are monitored according to FMEA methodology and continuous improvement targets are determined and applied according to 8D problem solving and defective product detection methodology.


All cylinder parts and manifolds are mechanically deburred, cleaned according to standards and, after manufacturing, checked for dimensions using appropriate measuring instruments and gauges

100% test is always carried out for all production processes.

On request, destructive or non-destructive  tests can be applied before/after machining. This can be confirmed and documented with test certificates by accredited testing institute.


Uzun Hidrolik has its own test and documentation system. The following documentation is available :


  • Material certificates as 2.2 as well as 3.1
  • Operating instructions of the cylinder
  • The catalogs of all accessories
  • Dimensional Protocolls
  • Functional Test
  • Pressure test  acc. To ISO 10100  for cylinder


If welding is a case, WPS and WPQR can be achieved

at external company. All welders are certified according to EN ISO 9606-1.


After the test and painting, the cylinders are packed in the wooden box according to sea or normal transport.