Series RMVII Rate-Master® Dial-Type Flowmeters

For Panel Mounting, Three Ranges to 10 GPM Water, High Pressure Limits

The Series RMVII Rate-Master® Flowmeters consists of a machined brass meter body which is ideally suited for water flows with ±5% of full scale accuracy. Body design fits standard 4-1/2" mounting hole layouts per ANSI B40.1. Inlet and outlet threads are standard 3/4" female NPT.

NIST CALIBRATION available in Product Configurator.

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Product Applications

  • Monitor coolant flow through ingot heaters, high-amp switchgear, resistance welders, heat exchangers, compressors, scrubbers
  • Monitor water consumption to different processes and operations for more efficient operations
  • Calculate required fill or drain times for tanks, water towers

Models & Ordering

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Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Build Your Custom Part. Use our Product Configurator

Model Description Usually Ships* Price Order
Ships: 1-2 Weeks
Price: $292.00
Dial-type flowmeter, range 0-10 SCFM, 0-280 LPM air. 1-2 Weeks* $292.00 Order
Ships: 1-2 Weeks
Price: $292.00
Dial-type flowmeter, range 0-30 SCFM, 0-850 LPM air. 1-2 Weeks* $292.00 Order
Ships: 1-2 Weeks
Price: $292.00
Dial-type flowmeter, range 0-50 SCFM, 0-1400 LPM air. 1-2 Weeks* $292.00 Order

Can't find what you need? Build Your Custom Part. Use our Product Configurator


Compatible gases, liquids and oils.
Wetted Materials:
Brass, 302 SS, sintered barium ferrite, polyacetyl.
Temperature Limit:
200°F (93°C).
Pressure Limit:
3000 psig (206 bar).
Pressure Drop:
0 to 5 GPM: 3.2 psid; 0 to 10 GPM: 5.3 psid; 0 to 20 GPM: 10.4 psid.
±5% of FS.
Diameter dial face 4.5" (114.3 mm).
Process Connections:
3/4" female NPT.
2 lb. 14 oz (1.3 kg).


  • Unique construction fully isolates flowing media from gage front for leak-proof operation at pressures up to 3000 psig (206.7 bar)
  • Target-type design combined with a damage resistant magnetic linkage, drive a pointer over easy-to-read litho scale
  • Shatter proof construction, unlike glass tube variable area flowmeters, yields long operation life

Product Literature


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