Flange Mounted Industrial Sight Glasses Flat flange sight glass includes equipment sight glass, flat flange sight glass, flat neck sight glass, flat lamp sight glass and so on. Specification DN50-200, non-standard diameter size can also be customized, the material is stainless steel, carbon steel and so on.The maximum operating pressure is 25KGF/ cm2 and the temperature of the medium is allowed to vary with the use of glass, ranging from 0 to 600 degrees. Flat flange sight glass is suitable for petroleum, chemical and other industrial equipment to observe the internal material operation of equipment. Shell material: carbon steel WCB, stainless steel 304, 321, 316, 316L. Working pressure (MPa) : 0-2.5 Operating temperature (℃) : 0~200℃, 0~ 600℃ Glass material &temperature DIN7080. borosilicate glass, max. 280°C +mica shield max 300°C DIN8902. soda-lime glass max. 150°C Quartz glass, max. 1000°C Alumino-silicate glass, high pressure resistant Seal gasket EPDM,150°C Graphite,270°C PTFE,200°C FKM,200°C NBR,100°C Metal,200°C Silicone,200°C
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