Circular sight glass fitting type 323 PN 10/25 For flange mounting similar to DIN 28121

Material: Base flange: 1.4404 / 1.4539 /1.4571 / 1.4541 / 2.4602 / 2.4605 / other materials on request Cover flange:  1.4404 / 1.4539 /1.4571 / 1.4541 / 2.4602 / 2.4605 / other materials on request Sight glass: Borosilicatglass DIN 7080 Shape: DIN 28121 Nominal size: DN40 up to DN200 Nominal pressure: PN10 or PN25 / for higher pressures see type 322 Temperature:  Max. 200 ° C for higher temperatures see type 323 Seal: PTFE-enclosed resilient gasket (max. 200°C) Take advantage of our 360 degree 3D view for a perfect all-round view of our product.   Our round vessel sight glasses type 321 are screwed onto flanges according to DIN EN 1092-1 to allow for observation or illumination of the interior of the vessel. ACI vessel sight glasses of type 321 are designed according to DIN 28121 for operating pressures up to 10 or 25 barg. Here, a sight glass made of chemically highly resistant borosilicate glass DIN 7080 is clamped between two high-quality stainless steel flanges and a media-side PTFE-coated corrugated ring gasket. Since this gasket is situated in the force shunt, the flange parts of the sight glass are directly aligned with each other, thus protecting the glass plate as much as possible. The type 321 is delivered pre-assembled from the factory and can be mounted directly onto a flange according to DIN EN 1092-1 without additional effort. Should the unlikely event occur that the glass is damaged during operation, the entire fitting can be replaced with little effort. Our vessel sight glasses of type 321 are made from high-quality stainless steels 1.4571 (316Ti) or 1.4404 (316L). The glass material used is the industry-proven MAXOS® borosilicate glass according to DIN 7080. The sealing in the force shunt prevents settling of the gaskets, making it unnecessary to retighten the tension screws on site. The PTFE-coated gasket makes the vessel sight glass type 321 suitable for food, acids, alkalis, and most aggressive chemicals. If the borosilicate glass DIN 7080 does not meet your requirements or the process conditions themselves pose a problem for the highly resistant borosilicate glass, a custom-made mica protection plate for the fitting provides additional protection against temperature and steam. FEP or Halar® coatings additionally protect the borosilicate glass from aggressive chemicals or alkalis. As with other sight glass fittings, type 321 can be equipped upon request with a sight glass wiper type SGW, spray devices SVII, or lights.

Material: Base flange: carbon steel / 1.4541 (321) / 1.4571 (316Ti) / 1.4404 (316L) / 1.4306 (304L) / 1.4539 and many more Cover flange: carbon steel / 1.4541 (321) / 1.4571 (316Ti) / 1.4404 (316L) / 1.4306 (304L) / 1.4539 and many more Sight glass: Borosilicate glass DIN 7080 (up to 200°C) Gasket: PTFE enveloped gasket (up to 200°C) Shape: similar to DIN 28121 Nominal size: DN40 to DN200 Operating pressure: max. 20 bar -for higher pressures see type 322 Temperature: Tmax. 200°C For higher temperatures see Type 323 Gasket selection: PTFE enveloped gasket acc. to DIN 28121 Our round sight glasses type 321A are screwed onto flanges according to ASME B16.5 to allow for observation or illumination of the container interior. ACI sight glasses of type 321A are constructed according to DIN 28121 for operating pressures up to 20 barg. Between two high-quality stainless steel flanges and a media-side PTFE-coated corrugated gasket, a sight glass made of chemically highly resistant MAXOS® borosilicate glass DIN7080 is clamped. Since this gasket is in force shunt, the flange parts of the sight glass lie directly on top of each other and thus protect the glass plate as effectively as possible. The type 321A is delivered pre-assembled from the factory and can be screwed directly onto a flange according to ASME B16.5 without any additional effort. Should the unlikely event occur that the glass is damaged during operation, the entire fitting can be replaced with little effort. Our sight glasses of type 321A are made from high-quality stainless steels 1.4571 (316Ti) or 1.4404 (316L). As glass material, the industrially proven MAXOS® borosilicate glass according to DIN 7080 is used. The sealing in force shunt prevents settling of the gaskets, so that re-tightening of the tension screws on site is no longer necessary. The PTFE-coated gasket makes the sight glass type 321A suitable for food, acids, alkalis, and most aggressive chemicals. If the borosilicate glass DIN 7080 does not meet your requirements, or if the process conditions themselves pose a problem for the highly resistant borosilicate glass, a custom-fitted mica protection disc offers additional protection against temperature and steam. FEP or Halar® coatings additionally protect the borosilicate glass from aggressive chemicals or alkalis. Like other sight glass fittings, the type 321A can be equipped with a wiper type SGW, spraying devices SVII, or lights upon request.

Material: Base flange: 1.4404 / 1.4539 /1.4571 / 1.4541 / 2.4602 / 2.4605 / other materials on request Cover flange:  1.4404 / 1.4539 /1.4571 / 1.4541 / 2.4602 / 2.4605 / other materials on request Sight glass: Borosilicatglass DIN 7080 or Quarzglass Seal: the material is dependent on pressure and media Shape:  assembly for bolting straight onto DIN flanges Nominal size: DN40 up to DN100 Nominal pressure: PN40 / PN 63 / PN100 and PN160  higher pressures on request Temperature: max .: 280 ° C / Special versions up to 500 ° C are possible Option: Available with Lloyd's design appraisal. Optional versions are possible. Take advantage of our 360 degree 3D view for a perfect all-round view of our product.   The container sight glass type 322 for high-pressure applications is a solid fitting based on the design principles set forth in the industrial standard DIN 28121. Through the significantly reinforced flange and the use of glass plates beyond the standard dimensions of DIN 7080, it is possible for us with type 322 to achieve operating pressures of up to 160 barg. The tensioning of the glass occurs similarly to our proven type 322 through pre-tensioning screws. This ensures that the fitting only needs to be properly attached to the carrier flange in your system to achieve the necessary sealing. An execution for elevated temperatures is also feasible through the use of appropriate seals and glass materials. Due to the high operating pressure, the installation of wipers and spraying devices is unfortunately not possible with type 322. Lighting based on LED lighting elements is available from us. Should the borosilicate glass not meet your requirements similar to DIN 7080, or if the process conditions themselves pose a problem for the highly resistant borosilicate glass, a mica protective disc specifically adapted for the fitting offers additional protection against temperature and steam. FEP or Halar® coatings additionally protect the borosilicate glassagainst aggressive chemicals or caustics.