Dwyer Flowmeters
Rate-Master® Flometers
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Brushed aluminum scales
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Integral flow guides stabilize the float throughout the range
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Float is highly visible against a white background
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Easy to read design
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Injection molded of tough, clear, shatter-proof polycarbonate plastic around
a precision tapered pin
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Accurate and repeatable readings
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Plastic body is mounted to a stainless steel backbone into which pipe thread
inserts are welded to absorb piping torque
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Precision metering valves of brass or stainless steel are available as
an optional extra and permit precise flow adjustments
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For vacuum applications, Model RMA units are available with top mounted
valves
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The small Series RMA models are accurate within ±4% of full scale
reading; Series RMB within ±3%; large Series RMC within ±2%
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RMA - 1/8" NPT; RMB - 1/4" NPT; RMC - 1/2" NPT
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Visi-Float Flowmeters
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Precision machined from solid acrylic
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Used to indicate or manually control air or gas flow
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Permits complete visual inspection
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Internal parts are visible from one connection to the other and the tapered
bore is precision machined to a smooth surface for visibility of the indicating
float
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Buna-N O-ring seals
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Pressure rating: to 100 PSI maximum
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Accuracy: VFA--5%; VFB--3%; VFC--2%
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VFA and VFB models are available with either brass or stainless steel inlet
and outlet connections and are tapped for 1/8" NPT thread
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VFC models are provided with PVC connections tapped for 1" NPT thread
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.VFC models; intended for use with external metering valves and are equipped
with a large diameter stainless steel guide rod and specially designed
stainless steel float to provide excellent float stability at the high
flow ranges provided by these models
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Options (for VFA & VFB only): brass metering valve and connection;
stainless steel metering valve and connection; stainless steel connections
only; red enamel brass pointer flag
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