This is an inexpensive, 5% accuracy flow meter for liquids or gases.
It gives accurate and repeatable indication; and an optional flow
switch gives reliable high and/or low flow rate switching. Meter sizes
are 1/2, 1, 1-1/2, and 2 inches with capacities to 130 gpm water and
150 scfm air @ STP. Operating range is 10:1. Scales are 2 to 4
inches long and calibrated in gpm and percent for liquids, percent for
gases, or special calibrations. Scales are fused on the tubes or
detached and engraved on aluminum. The cast aluminum frame offers 316
stainless. Front and rear tube shields of
strong, clear polycarbonate are standard. All other wetted parts are:
borosilicate glass; Buna-N, Viton® or EPR O-rings; stainless steel,
brass, beryllium copper or polypropylene float materials.
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