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Laufer Valve

Sight Glasses

LIAG® inline sight glasses are designed for visual inspection of media inside pipes and/or inspection of pigs in product recovery systems. The Borosilicate glass inside the housing is fixed without any tension and does resists hard pressure and vibration shocks.


  • Hygienic design / CIP capability 
  • No pressure loss
  • Designed to be passed with LIAG® DMV lip pig
  • Free of tension / shock resistant


Brochure / technical specifications

Versions / Dimensions

Sight Glasses

© 2022 LIAG®-LÄUFER International AG

© 2021 LIAG®-LÄUFER International AG