• Diaphragm seal for food/pharmaceutical/biotechnology

Diaphragm seal for food/pharmaceutical/biotechnology

HYGIENIC Tubus Ø 76 mm with clamping flange, Type series DL8120, DL8130


  • Flush-mounted separating diaphragm of stainless steel or special material
  • Alternative with reinforced diaphragm in LTCtechnology (reduced temperature influence)
  • Volume optimised diaphragm base
  • EHEDG-certified
  • Available with loose or fixed clamping flange
  • System fillings for different applications
  • Measuring device connection: 
    · directly welded
    · directly screwed
    · with temperature decoupler
    · with capillary
  • Material certificate acc. to DIN EN 10204-3.1
  • Electropolishing (wetted parts)
  • Hygienic design with advanced surface quality
  • Special materials upon request



Suitable for mounting to bourdon tube pressure gauges and pressure transmitters. The diaphragm seal HYGIENIC Tubus is used mainly for dead-zone free measuring.



Application area

● Food industry
● Pharmaceutical industry
● Biotechnology