Elongated Ellipse sight glass is most common type used for observation nowadays. facilitating observation on working state and liquid condition inside tubes.
Body Materials: AISI-304 or AISI-316L
Gasket Material:Silicon, NBR, EPDM
Seat and gasket comply with FDA 21CFR177.2600
Available in size from 1"-4", DN25-DN100 or others upon requirement
Standards: DIN, SMS, ISO / IDF, BS / RJT, ASME / BPE.
End connections: Welding customized
Temperature range: 14 ~ 248℉ (-10 ~ 120℃), EPDM
Surface treatment: CNC machining