756905 – SIGHT GLASS DIN BRONZE FLANGED, DOUBLE WINDOW #636 40MM

IMPA 756905 – SIGHT GLASS DIN BRONZE FLANGED, DOUBLE WINDOW #636 40MM – The small sizes are generally used to check the operation of the steam traps. For checking the liquid flow in open systems as well as a possible discolouring of liquids in open and closed systems (such as lubricating oil).