Magnetic Level Gauge ype 810R, Vol. 4,8, Dens : >0,8. Temp min 20 degC max 60 degC. Length chamber = 188 cm,Bottom Flange : PN10/40 DN 50 x 3,91 EN1032-1 F304L, Flange Process Connection = PN40 DN 20 x 2 EN1092-1 F304L Brand = Brooks Instruments