SIGHT GLASS LUMINAIRE ESL 51-LED, STAINLESS STEEL

• Applications in the chemical, pharmaceutical, biogas
  and food processing industries:
  For illuminating the interior of vessels, tanks, agitators,
  silos and other generally closed containers and
  reactors and also in visual flow indicators in
  non-explosive environments.
• ESL 51-LED-HK: with bracket for SW I (wiper unit)
• ESL 51-LED-KS: with hinged bracket for general use.
• ESL 51-LED-B: special sterile version for flange attachment
  for fitting over flanges, collars, etc.

Sight glass ESL 51-LED luminaires fit the following nominal sizes:

• rCircular sight glass fittings acc. to DIN 28120: from DN 25
• rCircular sight glass fittings acc. to DIN 28121: from DN 40
• Visual flow indicators: from DN 25
• Screw-type sight glass fittings in compliance
  with DIN 11851: from DN 40

• Independent of vacuum/pressure in the vessel.
  Under no circum­stances should a sight glass luminaire
  be used as a substitute for the cover flange or instead
  of the complete sight glass flange assembly, or on its
  own to close a vessel port.

Operating temperature

• Maximum admissible ambient temperature
  at the cable gland: 50°C

• Compact design, powerful light output:
  Glare-free illumination; fits circular sight glass fittings to DIN 28120 / DIN 28121 or similar as well as screwed sight glass fittings in compliance with DIN 11851.
• GIdeal combination of flush design and smooth surface:
  This sight glass luminaire is designed for mounting on
  sight glass fittings in universal applications. It is practical either in
  combined sight and light ports (single-flange version)
  or with separate ports (two-flange version).
  Integrated fastening clamp enables attachment to wiper unit SW I.

• Body and head of luminaire:
  Stainless steel 1.4404
• Fastening elements: Stainless steel
• Connecting cable: 3 m (3 x 0.5 mm²) factory-fitted (other lengths on request)

• dust-tight and water jet-proof,
  IP 65 acc. to EN 60 529 / DIN VDE 0470 part 1

• AC/DC
• Operating voltage: 24 V
• Output: 2.5 W