{"id":6535,"date":"2025-09-03T10:24:23","date_gmt":"2025-09-03T10:24:23","guid":{"rendered":"https:\/\/shop.pecta.pt\/?post_type=product&p=6535"},"modified":"2026-07-03T15:04:14","modified_gmt":"2026-07-03T15:04:14","slug":"circular-sight-glass-type-322-pn-40-160-din-28121","status":"publish","type":"product","link":"https:\/\/shop.pecta.pt\/en\/product\/circular-sight-glass-type-322-pn-40-160-din-28121\/","title":{"rendered":"Circular sight glass type 322 – PN 40\/160 – DIN 28121"},"content":{"rendered":"
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Model 322 is delivered pre-assembled from the factory and can be bolted directly to the flange in accordance with DIN EN 1092-1 without requiring any additional effort.<\/p>\n

Model 322 is constructed from high-quality 1.4571 (316Ti) stainless steel, which is highly valued by our customers. The glass used is industry-proven borosilicate glass 3.3, in accordance with DIN 7080 (or equivalent). <\/p>\n

If the process conditions pose a problem even for highly resistant borosilicate glass, a specially adapted mica or FEP protective screen for the connection provides additional protection against steam and aggressive chemicals, such as alkali, up to a pH value of 14.<\/p>\n

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TECHNICAL SPECIFICATIONS – Circular sight glass type 322<\/h4>\n\n\n\n\n\n\n\n\n
Flange material:<\/strong><\/td>\nBase flange: 1.4571 (standard)
\nCover flange: 1.4571 (standard)
\nOther materials: 1.4404, 1.4541, 1.4539, 1.4462, 2.4602<\/td>\n<\/tr>\n
Shape:<\/strong><\/td>\nIn accordance with DIN 28121<\/td>\n<\/tr>\n
Seals:<\/strong><\/td>\nGraphite<\/td>\n<\/tr>\n
Nominal size:<\/strong><\/td>\nDN40 to DN100<\/td>\n<\/tr>\n
Temperature \/ Glass:<\/strong><\/td>\nUp to 280\u00b0C <\/strong>with borosilicate glass complying with or similar to DIN 7080<\/td>\n<\/tr>\n
Options:<\/strong><\/td>\nLED light for Ex and non-Ex areas
\nSpraying device SVII
\nFEP or Halar\u00ae coating
\nMica protection disc
\nCustom made designs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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