Dwyer Instruments RMA-22-SSV Flowmeters

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Dwyer Instruments RMA-22-SSV Flowmeters


Accurate Within ±4% of Full Scale Reading. Scales Are Brushed Aluminum, Coated With Epoxy And The Graduations Are On Both Sides Of The Indicating Tube.

Description

 

Dwyer RMA-22-SSV 2 inch Scale, Stainless Steel Flow Meter, 2-25 LPM Air

Features

  • Easy to read design – The direct reading scales eliminate troublesome conversions.
  • Special integral flow guides stabilize the float throughout the range to keep it from hunting or wandering in the bore.
  • The float is highly visible against a white background.
  • Construction assures accuracy – All Rate-Master® Flowmeter bodies are injection molded of tough, clear, shatter-proof polycarbonate plastic around a precision tapered pin.
  • The result is accurate and repeatable readings.
  • The single piece plastic body is mounted to a stainless steel back bone into which pipe thread inserts are welded to absorb piping torque.
  • Precision metering valves of brass or stainless steel (specify BV or SSV on order) are available as an optional extra and permit precise flow adjustments.
  • For vacuum applications, Model RMA units are available with top mounted valves (specify TMV in the model number).
  • Installation is simple – The Rate-Master® Flowmeter can be neatly through-panel mounted to keep flow tube centers in the same plane as the panel surface or surface mounted on the panel by means of tapped holes in the backbone.
  • When through-panel mounted, the bezel automatically positions the instrument at the correct depth in the panel cutout.
  • Surface mounted units can also be held in place by the piping.
  • All mounting hardware plus installation and operating instructions are included.
  • Easy-to-Interchange bodies – Within a given Series Rate-Master® flowmeter bodies can be instantly interchanged.
  • Simply “unplug” the body from backbone and replace it with another.
  • O-rings provide a tight seal on inlet and outlet.
  • Piping remains undisturbed.
  • Interchangeability is useful where different scale ranges are sometimes required at the same location in the laboratory or plant.
  • Cleaning is easy- To release the plastic flowmeter body from the stainless steel backbone, just remove four screws.
  • Pipe thread flow connections remain undisturbed.
  • Remove the slide cover and the plug ball stop, clean the flow tube with soap and water and reassemble. It’s that simple.

Specifications

Dwyer RMA-22-SSV Specifications

Service Compatible gases and liquids
Wetted Materials Body: Polycarbonate
O-ring: Neoprene and Buna-N
Metal parts: stainless steel (except for optional brass valve)
Float: stainless steel, black glass, aluminum, K monel, tungsten carbide depending on range
Temperature Limit 130°F (54°C)
Pressure Limit 100 psi (6.9 bar)
Accuracy RMA: 4%
RMB: 3%
RMC: 2% of full scale
Process Connection RMA: 1/8″
RMB: 1/4″
RMC: 1/2″ female NPT
Weight RMA: 4 oz (113.4 g)
RMB: 13 oz (368.5 g)
RMC: 39 oz (1105.6 g)

Additional Information:

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