If corrosion resistance is only needed on wetted parts of a sight glass, our
Model I Flange sight glass unit is an ideal choice for the application. The
Slip-On model allows fitting in deeply recessed or unusally-sized connections.
Applications requiring DIN standards or non-ANSI flanges are available upon request.
Materials |
Flange: |
316 or 304 Stainless Steel SA-240; Carbon Steel PVQ |
Insert: |
316 or 304 Stainless Steel SA-351; Carbon Steel SA-519; Hastelloy; Alloy 20; Titanium; Monel; etc. |
Compression Ring: |
304 Stainless Steel SA-351; Carbon Steel SA-519 |
Lens: |
Two-Piece Laminated Tempered Soda Lime (Standard); Tempered or Annealed Borosilicate; Quartz; Lexan; Acrylic; Mica Shields |
Lens Cushion Gaskets: |
TeflonⓇ GrafoilⓇ GylonⓇ Blue-GardⓇ etc. |
Lens Packing: |
Combination TeflonⓇ Impregnated and VitonⓇ (Standard); Graphite; FDA TeflonⓇ etc. |
Compression Screws: |
18-8 Stainless Steel; Carbon Steel SA-193* |
*By request only
This sight glass has been certified as maintaining a Quality Assurance System in accordance with the Pressure Equipment Directive 97/23/EC (PED) Annex I, Paragraph 4.3 by the Certification Body 0036 of the TÜV Industrie Service GmbH.