Vetrolux Rectangular Sight Glass

  • Applications

Vetrolux Rectangular Sight Glass is for viewing the inside of vessels, silos, reactors, especially to monitor the fluid level.

For longer vessels, multiple sight glasses at different sections can be mounted.

  • Mounting:

Welded or flanged onto tank wall.

  • Nominal Sizes:
Rectangular: Various lengths available from 170 x 70 mm offering a view of 120 x 18 mm to 1000 x 70 mm offering a view of 4 x 204 x 18 mm
D-ended: Depending on nominal pressure, offering an uninterrupted view from 121 x 15 mm up to 725 x 50 mm.
  • Operating Pressure:
Rectangular: 16 bar and vacuum.
D-ended: 2.5 / 6 / 10 / 25 bar 
  • Operating Temperature:
  • Sodium Silicate – up to 100°C 
Borosiliate – up to 243°C
Base frame in stainless steels 316Ti (1.4571) or 321 (1.4541) or boilerplate
Cover frame: As base frame
Seals: Neoprene, KLINGERsil C4400, PTFE, Viton
Base frame in stainless steel 316L (1.4435), boilerplate or Hastelloy
Cover frame in stainless steel 304 (1.4301), boilerplate or Hastelloy
Seals: KLINGERsil C4400, EPDM, Silicone, PTFE
Glass to DIN 8903 or 7081. Transparent for D-ended units, fluted (Reflex) for rectangluar units.
Download Datasheets: 
Vetrolux Rectangular Sightglasses 
Vetrolux “D” Ended Sightglasses 

VETROLUX D-ended, elongated sightglass type LSGRR​

VETROLUX rectangular sightglass type RSGRR