Type 338 - PN16 | Oval Tank sight glass | ACI Industriearmaturen GmbH

Oval Tank Sight Glass Type 338 - PN 16

Longitudinal sight glass for level indication and observation of the tank interior

Oval Longitudinal Sight Glass Type 338 PN16 

The ACI tank sight glass type 338 for welding-in or welding-on is suitable for visual inspection in the tank for pressures up to 16 bar. The sight glass enables reliable monitoring of the filling level with a viewing width of 50 mm. The tank sight glass type 338 is a robust oval tank sight glass that combines the advantages of a round tank sight glass for visual inspection of the inside of the tank with the possibility of level indication. 

The glass material we use is industry proven borosilicate glass similar to DIN7081. Borosilicate glass is already highly resistant to most acids in its original state, but should strong alkaline media be present, it is possible to use one of our custom-made mica or FEP discs to protect the glass surface.

Exploded_view_type_338_with_labelling_of_the_individual_parts

The gaskets of the fitting is done with flat gaskets adapted to your needs from an extensive range of materials, which, in addition to the widely used fibre gaskets, also offers more sophisticated materials such as PTFE (Teflon®), NBR, graphite and many branded gaskets. You finde mor information about gasket materials in our Help Center.

Our tank sight glasses type 330 are made of the high-quality stainless steel 1.4571 (316Ti), which our customers have appreciated for years. Like most of our fittings, the Type 338 is available in a variety of materials on request.

More technical details about our tank sight glass type 338 can be found further down this page!

Technical data

Frame material:

  • Base frame:
    1.4571 (factory standard)
  • Cover frame:
    1.4571 (factory standard)
  • Other materials on request ¹

Shape:

  • suitable for sight glasses according to DIN 7081

Temperature:

  • up to 280 °C with borosilicate glass
    similar to DIN 7081

Sight glass:

  • Borosilicate glass, transparent
    similar to DIN 7081

Nominal length:

  • 270 mm to 620 mm

Options:

  • High temperature design on request
  • Nearly cavity-free design on request
  • Special designs are possibl

Gaskets:

  • KlingerSil® C4400
  • PTFE, FKM, NBR, Silikon, EPDM
  • Graphit 
  • or according to customer requirements

Nominal pressure:

  • PN 16

Screws:

  • A4-70


¹ Optional materials:

1.0460 / 1.4301 / 1.4307 (F304L) / 1.4404 (F316L) / 1.4410 (Super Duplex) / 1.4435 (F316L) / 1.4462 (F 51) / 1.4529 (Alloy 926) / 1.4539 (Alloy 904L) / 1.4541 (F321) / 1.4547 (F44) / 1.4550 (F347) / 1.4571 (316Ti) / 1.4828 / 1.4841 / 1.4876 ( Alloy 800H) / 1.4878 / 1.7335 / 2.4068 (Alloy 201) / 2.4360 (Alloy 400) / 2.4375 (Alloy K500) / 2.4602 (Alloy C-22) / 2.4605 (Alloy 59) / 2.4610 (Alloy C-4) / 2.4816 (Alloy 600) / 2.4819 (Alloy C-276) / 2.4856 (Alloy 625) / 2.4858 (Alloy 825) / 3.7035 (Titan)

Sketch_with_sectional_view_type_338
BL [mm] 270 340 410 480 550 620
SL [mm] 200 270 340 410 480 550
Weight [kg] 7,2 9,0 10,9 12,7 14,5 16,3


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Type 338 - PN16 | Oval Tank sight glass
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