Light series circular sight glasses

The light series inspection portholes and sight glasses enable visual control of industrial processes inside tanks, reactors etc. They allow one to maintain a greater control of systems at moderate cost. They are to be used with limited flow pressure. The portholes are manufactured in AISI 304/304L, DIN 1.4301/1.4307 e AISI 316/316L, DIN 1.4401/1.4404. Visibility is obtained through sodium-calcium tempered glass in accordance with regulation DIN 8902, max T 130° C. Light inspection portholes and sight glasses are supplied in a range from DN65 to DN250.

Heavy series circular sight glasses

The heavy series inspection portholes and sight glasses enable visual control of industrial processes inside tanks, reactors etc. They allow one to maintain a greater control of systems at moderate cost. They are designed be used with flow pressure PN10/PN16. The portholes are manufactured in AISI 304/304L, DIN 1.4301/1.4307 and AISI 316/316L, DIN 1.4401/1.4404. Visibility is obtained through sodium-calcium tempered glass as per regulation DIN 8902, with max T 130° C, or as per regulation DIN 7080 with max T 250° C. Heavy inspection portholes and sight glasses are supplied in a range from DN50 to DN200.

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