Oblong Sight Glass
The Oblong Sight Glass unit, with its bolt-down lens retainer cap, is designed for adaption to new or existing equipment to become an integral part of a vessel shell. The Oblong units increase the viewing length beyond that of standard sight glasses, and are designed for 150 psi and rated for temperatures up to 450 °F. Different materials of construction are available to meet your process needs.
Materials of Construction:
- Body: 316 or 304 Stainless Steel SA-240; Carbon Steel
- Retainer Cap: 316 or 304 Stainless Steel SA-240; Carbon Steel PVQ
- Lens: Tempered Soda Lime (Standard); Tempered Borosilicate; Lexan; Acrylic
- Lens Cushion Gaskets: Teflon ; Grafoil ; Gylon ; Blue-Gard ; etc.
- O-Rings or Packing Viton ; Teflon ; Graphite; FDA Teflon ; Buna-N, etc.
- Retainer Cap Bolts: 18-8 Stainless Steel; Carbon Steel SA-193
- Set Screws: 18-8 Stainless Steel; Carbon Steel SA-193
|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.