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Model B Weld Sight Glass

Model B Weld
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Product Details
Safe, strong and low-maintenance are the hallmarks of the Model B Weld sight glass from Pressure Products.

The Model B Weld unit with threaded lens retainer cap mounts on standard ANSI B16.5 (2" to 24") weld accommodations, and is designed to become an integral part of a vessel shell, vessel head, manway cover or pipeline. Units can be manufactured to meet your pressure and temperature requirements, and different materials of construction are available to meet your process needs. Applications requiring DIN standards or non-ANSI welds are available upon request.

Body: 316 or 304 Stainless Steel SA-351 or SA-240; Carbon Steel PVQ; Hastelloy; Alloy 20; Titanium; Aluminum; etc.
Weld: 316 or 304 Stainless Steel SA-182; Carbon Steel SA-105
Retainer Cap: 316 or 304 Stainless Steel SA-351 or SA-240; Carbon Steel PVQ
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.

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