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Premier Control Technologies Flow, pressure, level and temperature solutions

King Instruments 7750 Series Rotameter

  • Rotameter with flange Connection, 250mm End-to-End Length
  • 316L All Welded Construction - No Elastomers Used
  • Flow transmitter and flow switch option

The King 7750 series rotameter is an all 316L stainless steel meter with flanged connections featuring an all welded construction reducing the need for O-rings.

The flange to flange overall length of the meter is 250mm, the metering tube, internal components and fittings are all constructed from 316L stainless steel whilst the indicator housing is constructed from 304 stainless steel.
ANSI flange connections are available in either ½” or 1”.
The flow meter also offers a detachable direct reading 120mm flow scale.

All models have a 10:1 turndown with repeatability at 1% and accuracy of ± 3% of full scale flow.

Maximum temperatures are available up to 204°C with maximum operating pressures available up to 41 Bar

Liquid models are available with full scale flows from 2 litres per minute to 62 LPM.
Gas models are available with full scale flows from 2.2 standard cubic feet per minute to 76 SCFM.
Scales are available in any volumetric unit.

Single or dual inductive slot sensor (NAMUR) alarm outputs are also available.

A 4 – 20 mA flow transmitter option is available as well.

Model numbers

  • K.7752200717
  • K.775220T719


The King Instruments 7750 Series Rotameter is widely used in the following industries:

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