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Threaded sight glass DIN 11851
for vesselsfor the pharmaceutical industryfor vacuum

threaded sight glass
threaded sight glass
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for vessels, for the pharmaceutical industry, for vacuum, stainless steel, threaded

Min.: 50 mm
(2 in)

Max.: 150 mm
(5.9 in)

Operating temperature

Min.: 0 °C
(32 °F)

Max.: 280 °C
(536 °F)

Operating pressure

6 bar
(87 psi)


Weld-on sight glass fitting with screwed cover flange. Sightport for viewing into Bioreactors, Laboratory mixers, filters as well as into process vessels, separators, pipelines and other usually closed containers. Particularly suitable for pharmaceutics, food and beverage processing,e. g. breweries, dairies etc. DIN 11851 style for welding into or onto vessel wall Complete with glass disc, gaskets and slotted cover nut Nominal sizes: DN50 to DN150 Viewing Diameter: 50 to 150mm Operating Temperature up to 200°C (higher pressures on request) Operating Pressure up to 6 bar (higher pressures on request) Materials: stainless steel and special steels Custom built versions
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.