Heavy series inspection portholes and 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.