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Sight glass luminaire USL33 / USL13 with hinged bracket - non-ex

and UL-listed types

USL33 with METAGLAS® for TC-Connect

 Applications

  • Fully sealed sightglass luminaire with cover glass, compact, all stainless steel
  • Suits for sanitary sightglass fittings with METAGLAS® in Bio-Control
    or NA-Connect fittings
  • Operating voltage/Power: 12V, 24V, 120V, 230V / 20W, 50W, 100W 
  • The luminaire is seated firmly in a specially formed lip in
    the cover flange, sealed and clamped to the sight glass
  • Application in chemical, pharmaceutical, biogas and food processing
    industries:It is ideal for illuminating bioreactors, laboratory mixers and
    filters as well as the interiors of tanks, agitators, separators, pipelines
    and other, usually closed, vessels in non-explosive operating environments.
  • USL13: The luminaire is attached to the cover flange of the circular
    sight glass fitting or the visual flow indicator with a hinged bracket,
    or fastened to the grooved nut on screw-type sight glass fittings.
  • USL33: The luminaire is mounted over an adapter collar.
    For mounting on sight glass fittings:
    This sight glass luminaire is designed for universal applications. It is ideal
    for use in combined sight and light ports (single-flange version) or for two
    separate ports (2-flange version).

Operating conditions

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

Operating temperature

  • Max. admissible ambient temperature at the cable entry gland with
    halogen version: 90°C; with LED version: 40°C

Voltage

  • AC/DC
  • Operating voltage: 12 V, 24 V, 120 V, 230 V
  • Wattage: up to 50 W, depending on operating voltage
  

 Materials

  • Luminaire body and cover: Stainless steel 1.4404
  • Hinged bracket and flange collar for attachment to screw-type sight glass fitting DN 50/65): Stainless steel 1.4301
  • Connecting cable: 3 m (3 x 0.75 mm²) works fitted

Advantages

  • Compact design, powerful light output:
    Glare-free illumination; suitable for circular sight glass fittings to DIN 28120/DIN 28121 or similar, for screw-type sight glass fittings in compliance with DIN 11851, and for METAGLAS® and BioControl fittings.
  • Very easy to install using special mountings, ensuring convenience of use:
  • USL13: The luminaire is attached to the cover flange of the circular sight glass fitting or the visual flow indicator with a hinged bracket, or fastened to the grooved nut on screw-type sight glass fittings.
  • USL33: The luminaire is mounted over an adapter collar
  • Caution: Do not look into light – Danger of impaired eyesight!

Protection

  • Dust- and waterjet proof, IP 65 according to EN 60 529 / DIN VDE 0470, Part 1

Technical data

Sight glass luminaire USL13 and USL33 fit the following sizes:

a) Circular sight glass fitting acc. to DIN 28120: from DN 25
b) Circular sight glass fitting acc. to DIN 28121: from DN 40
c) Visual flow indicators: from DN 25
d) Screw-type sight glass fittings in compliance with
     DIN 11851: from DN 50

Type USL13 / 33

Nom-V.

Push-b.

Transf.

Socket

 

Type USL13 / 33

Nom-V.

Push-b.

Transf.

Socket

(12 V) 20 W

12

with

without

GY6.35

 

(230 V) 20 W

230

with

without

G9

(12 V) 20 W

12

without

without

GY6.35

 

(12 V) 50 W

12

with

without

GY6.35

(24 V) 20 W

24

with

without

G4

 

(24 V) 50 W

24

with

without

GY6.35

(24 V) 20 W

24

without

without

G4

 

(120 V) 50 W

120

with

without

DA15d

(120 V) 20 W

120

with

without

GY6.35

 

(120 V) 50 W

120

with

without

GY6.35

(120 V) 20 W

120

without

without

GY6.35

 

(120 V) 50 W

120

without

without

GY6.35

(120 V) 20 W

120

with

without

BA15d

 

(24 V) 2 W-LED

24

with

Modifier

GU4

(120 V) 20 W

120

without

without

BA15d

 

(24 V) 2 W-LED

24

without

Modifier

GU4