SERIES RM

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SERIES RM

The Series RM Rate-Master® Flowmeters are a line of general use, direct reading precision flowmeters suitable for both gas and liquid applications. This Series consists of 2″ (51 mm), 5″ (127 mm) and 10″ (254 mm) scales that can be panel or surface mounted with optional precision metering valves. Within a given Series, the Rate-Master® flowmeter bodies can be instantly interchanged, allowing the piping to remain undisturbed, interchangeability of the ranges, and easy cleaning. *The Rate-Master® flowmeter bodies can be instantly interchanged within the same series scale size, allowing the piping to remain undisturbed, interchangeability of the ranges, and easy cleaning.

NOTE: Effective immediately, the brass valve (-BV) option has been discontinued and the stainless steel valve (-SSV) is the suggested replacement.

SERIES RM RATE- MASTER® POLYCAR BONATE FLOW METERS

  • Eliminate the need for troublesome conversions with direct reading scales
  • Reduce installation damage and cost due to stainless steel backbone that absorbs piping torque
  • Long operation life with durable, shatter-proof polycarbonate body
  • High repeatability enabled by precision injection molding around a precision tapered pin
  • Increased reading accuracy with special integral flow guides that stabilize float movement
  • Save time with instantaneous flow reading from scale graduations on both sides of the indicating tube

Technical Sheets

Instruction Manual
Catalog Page

Specifications

Service
Compatible gases and liquids.		 Wetted Materials
Body: Polycarbonate; O-ring: Neoprene and Buna-N; Metal parts: SS; Float: SS, 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 FS		 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)		 Compliance
Meets the technical requirements of EU Directive 2011/65/EU (RoHS II)
CAUTION
Dwyer® Rate-Master® flowmeters are designed to provide satisfactory long term service when used with air, water, or other compatible media. Refer to factory for information on questionable gases or liquids. Caustic solutions, anti-freeze (ethylene glycol) and aromatic solvents should definitely not be used.

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