Products Dieckers GmbH & Co. KG

Valve & Components

Dieckers is the only representative of SITEC-Sieber Engineering AG – the leading manufacturer of high-quality, high-pressure components, which is headquartered in Switzerland – in Germany. Our close collaboration enables us to incorporate your requirements quickly into new products and to guarantee short delivery times. The product portfolio includes the entire SITEC range, from DN 0.5 to DN 12 and for pressures of up to 10,000 bar, most of which we keep in stock. In addition, we offer our own product designs and ball valves.


  • Directional valves
  • Non-return valves
  • Test valves
  • Special versions
  • Manually operated as well as pneumatically and hydraulically operated valves


  • Tube fittings
  • Standard fittings
  • Special fittings
  • Adapter fittings
  • Reducers
  • Swivel joints
  • Filters

Ball valves

  • Manually and pneumatically operated ball valves from DN 3/PN 2,500 bar to DN 20/PN 1,600 bar

Burst safeguards

  • Rupture discs and rupture tubes for securing pressures up to 14,000 bar


On request: development and production of special solutions also in these areas.

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