Mechanical Flowmeter, Mechanical Flowmeter, For Pipe Size 1-1/2 in, Connection Size 1 1/2 in, Connection Type FNPT, Fluid Temp. Range 32 Degrees to 250 Degrees F, Wetted Materials Buna-N, C360 Brass, PH15-7MO Stainless Steel, Polysulfone, PVC, Strontium, T300 Stainless Steel, Max. Pressure 325 psi, Flow Range 5 to 50 gpm, Max. Viscosity 500 SUS, Flow Material Water, Variable Area, GPM Max. 50 gpm, Length 8 11/16 in, Width 3 in, Height 3 in, Housing Material Radel(R), Fitting Brass