The Hinged Closure Sight Glass provides convenient access to the process without the need to fully disassemble and re-assemble a unit.
The hinged closure unit is designed for a weld pad or flange connection (ANSI, DIN, or special bolt pattern) and for mounting our Model B or Model L units (depending on pressure requirements) to be hinged and sealed on an O-ring or gasket. A variety of materials of construction are available to meet your process needs.
| Materials |
| Flange: |
Refer to Model L Weld or Model B Weld Units (depending upon pressure) |
| Weld Pad or Flange: |
316 or 304 Stainless Steel SA-240; Carbon Steel PVQ; Hastelloy; Monel; Alloy 20; Titanium; Aluminum; etc. |
| O-Ring or Gasket: |
TeflonⓇ VitonⓇ Silicone; EPDM; Graphite; Buna-N; etc. |
| Swing Bolt: |
316 or 304 Stainless Steel; Carbon Steel |
| Hinge: |
316 or 304 Stainless Steel; Carbon Stee |
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.
