Our testing machines and their accessories as well as other testing equipment are checked if and when required at your facility or in our works and repaired if necessary. We guarantee that the work is carried out and monitored by trained personnel and if necessary spare parts can be procured.

In conjunction with repairs on the spot other services such as DAkkS calibration, maintenance and training can be provided.

For example:


Repair and Overhaul

of hydrostatically and slide born individual test cylinders.

For all manufacturers of the a.m. cylinders we carry out the following repair and overhaul measures:

  • Disassembly and investigation of damage
  • Thorough cleaning of all parts
  • Documentation of the actual dimensions
  • Removal of the plastic coating of the piston center and new coating
  • Removal of the plastic coating of the two hydraulic bearings and new coating
  • Grinding, chromium-plating and polishing of the piston rod
  • Mounting of a new seal kit
  • Assembly of all components
  • Before delivery a rinsing and an operational test of the test cylinder is effected
  • A dimension record is supplied


Check-up – repair – exchange of the following components:

  • Force transducer
  • Pressure accumulator
  • Servo valve
  • LVDT-displacement transducer
  • Hydraulic power unit
  • Distribution substation

Modernising Samples

How to reach us

FORM+TEST Seidner&Co. GmbH
Zwiefalter Straße 20
88499 Riedlingen 

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