Type : Flapper, Ductile Iron, 10K, Screw
Pressure : 10 Kg/Cm2
Temperature : 150 C
Size : 1/2" ~ 2"
Connection : Screw BSPT
Body : Ductile Iron
Yoshitake SF-1S series Sight Glass is used downstream of Steam Trap to monitor Condensate Flow. Also used widely as a window to see and detect Fluid's movement inside Pipe.
https://www.yoshitake-inc.com/prod/product?no=283