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Sight glass luminaire USL15 und USL35, stainless steel

and UL-listed types

USL15 with hinged bracket
Applications
  • 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.
  • USL15: 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.
  • USL35: 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
  
Materials
  • Luminaire body and cover: Stainless steel 1.4404
  • Hinged bracket and flange collar for attachment to
    screw-type sight glass fitting DN 65: Stainless steel 1.4301
  • Connecting cable: 3 m (3 ESL25x 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:
  • USL15: 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.
  • USL35: 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
  • Luminaire USL15 and USL 35 fit the following sizes:
    a) Circular sight glass fitting acc. to DIN 28120: from DN 40
    b) Circular sight glass fitting acc. to DIN 28121: from DN 40
    c) Visual flow indicators: from DN 40
    d) Screw-type sight glass fittings in compliance with DIN 11851:
        from DN 65
Voltage
  • AC/DC
  • Operating voltage: 12 V, 24 V, 120 V, 230 V
  • Wattage: up to 100 W, depending on operating voltage
 

Type USL15/35

Nom.-V.

Push-b.

Transf.

Socket

 

Type USL15/35

Nom.-V.

Push-b.

Transf.

Socket

(12 V) 20 W

12

with

without

GY6.35

 

(120 V) 50 W

120

with

without

GY6.35

(12 V) 20 W

12

without

without

GY6.35

 

(120 V) 50 W

120

with

without

BA15d

(24 V) 20 W

24

with

without

G4

 

(230 V) 50 W

230

with

without

GZ10

(24 V) 20 W

24

without

without

G4

 

(24 V) 100 W

24

with

without

GY6.35

(120 V) 20 W

120

with

without

GY6.35

 

(120 V) 100 W

120

with

without

GY6.35

(120 V) 20 W

120

without

without

GY6.35

 

(120 V) 100 W

120

with

without

BA15d

(230 V/12 V) 20 W

230

with

with

G4

 

(24 V) 4 W-LED

24

with

Modifier

GU5.3

(12 V) 50 W

12

with

without

GY6.35

 

(230 V) 4 W-LED

230

with

without

GZ10

(24 V) 50 W

24

with

without

GY6.35