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Vessel Longitudinal Sight Glass

Longitudinal sight glass for level monitoring on the vessel: a narrow, long sight window 24 mm wide, in twelve standard lengths from 131 to 436 mm outer length.

Vessel longitudinal sight glassPDF · 442 KB · DE/EN
85…390mm viewing length, twelve standard lengths
24mm viewing width, overall width 70 mm
8bar operating pressure maximum
140°C operating temperature maximum

Overview

A long window. For the fill level.

The vessel longitudinal sight glass shows the fill level over a viewing length of 85 to 390 mm. The glass is held between base body and cover frame and bolted all round.

  • For gases and liquids
  • Sight area 24 mm wide, overall width 70 mm
  • Twelve standard lengths, outer length 131 to 436 mm
  • Operating pressure up to 8 bar, temperature up to 140 °C
  • Product contact 1.4435 BN2 (316L) as standard, special materials acc. ordering key
  • Inside surface electropolished, Ra 0.6 or 0.4 µm
  • Gaskets EPDM as standard, others acc. ordering key
  • Product-contact parts marked with article number, material and heat number
  • Inspection certificate EN10204 3.1 for product-contact parts

Standard lengths

Twelve lengths. One width.

The size in the ordering key equals the outer length LA. Viewing width 24 mm and overall width 70 mm are the same for all sizes.

Outer length LAmmViewing length LImm
13185
151105
176130
201155
226180
256210
286262
316270
356310
376330
406360
436390

Technical data

Materials, gaskets, operating limits.

Sight area
24 mm wide, viewing length 85 to 390 mm depending on size
Dimensions
Outer length 131 to 436 mm, overall width 70 mm; dimensions S1 25 mm and S 41.4 mm acc. dimensional drawing
Product contact
1.4435 BN2 (316L, standard), 1.4404 (316L), 1.4539, 2.4602
Non product contact
1.4305 or equivalent; mounting and retaining parts A2
Gaskets
EPDM (standard), silicone, FKM, FEP with silicone core, PEEK, FFKM
Inside surface
Electropolished Ra 0.6 µm or Ra 0.4 µm
Operating pressure
Maximum 8 bar
Operating temperature
Maximum 140 °C
Media
Gases and liquids
Traceability
Product-contact parts marked with article number, material and heat number
Certificates
EN10204 3.1 for product-contact parts; stamping acc. AD2000

Ordering key

Length, radius, material. Gasket, surface.

Example: TLSG.L131.R000.35.0.C — vessel longitudinal sight glass, outer length 131 mm, radius 000, 1.4435 BN2 (316L), EPDM gasket, inside surface Ra 0.6 µm electropolished.

Article and size

  • TLSG: vessel longitudinal sight glass
  • L: length
  • Outer length LA 131, 151, 176, 201, 226, 256, 286, 316, 356, 376, 406 or 436 mm
  • R: radius in mm

Material

  • 35: 1.4435 BN2 (316L, standard)
  • 04: 1.4404 (316L)
  • 39: 1.4539
  • 22: 2.4602
  • Mounting and retaining parts in A2

Gasket and surface

  • 0: EPDM
  • 1: silicone
  • 2: FKM
  • 3: FEP with silicone core
  • 4: PEEK
  • 5: FFKM
  • C: inside surface Ra 0.6 µm, electropolished
  • E: inside surface Ra 0.4 µm, electropolished

Contact

Enquiry

Tell us the required length, the radius, material, gasket and inside surface. We will propose the right version.

Prefer to write directly?

+41 55 450 83 00 sales@liquitec.ch