Flow meters from the King Instrument Company provide exceptional performance in a wide range of industrial, commercial and specialty applications. King Instruments’ product line has grown and expanded to satisfy the demands of almost any variable area flowmeter application. read more

King Instruments offers more styles, sizes, features and options to satisfy all your rotameter requirements.

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King Instrument 7520 / 7530 Series Rotameter
Machined cast acrylic block construction variable area flow meter for water or air, with a direct reading scale
$58.00
In Stock
King Instrument 7200 Series Rotameter
General purpose rotameter with machined cast acrylic metering tube, replaces the IK55-A
$94.00
In Stock
King Instrument 7510 / 7511 Series Rotameter
Acrylic tube rotameters with in-line connections, replaces the IK55-D
$54.00
In Stock
King Instrument 7430 / 7440 Series Rotameters
Low-flow, borosilicate glass rotameters with optional alarm
$170.00
In Stock
King Instrument 7330 Series Rotameter
Polysulfone rotameters with PVC/PVDF union ends, replaces IK55-B
$240.00
King Instrument 7710 Series Rotameter
Stainless steel rotameters with magnetically-coupled dial-type indicators, replaces the IK55-F
$765.00
King Instrument 7100 Series Rotameter
Stainless steel rotameter great for low flow, high pressure water or air applications
$776.00
King Instrument 7460 Series Rotameter
Rotameter for gases or liquids with 75mm scale Borosilicate Kinglass metering tube
$346.00
King Instrument 7750 Series Rotameter
Stainless steel rotameter with flange connections and optional 4-20mA transmitter
$1,061.00
King Instrument 7459 Series Rotameter
Aluminum side plate rotameter with a 250mm scale borosilicate glass metering tube
$709.00
King Instrument 7650 Series Rotameter
Chemically resistant, borosilicate glass tube meter series for liquid service
$338.00
King Instrument 7610 Series Rotameter
Borosilicate glass rotameters with optional alarm, replaces the IK55-E
$642.00
King Instrument 7480 Series Rotameter
Borosilicate glass metering tube with 250mm scale, NPT or flange & vertical or horizontal connections
$605.00
King Instrument 7450 Series Rotameter
Rotameter with 75 or 150mm borosilicate glass metering tube
$382.00
King Instruments 7310 Rotameter
Molded Polysulfone rotameter with 304 stainless steel case for lighter duty applications where a case enclosed meter is preferred
$463.00
King Instrument 7910 Series Rotameter
Borosilicate glass rotatmeters with optional alarm, 250mm scale glass tube & 304 stainless steel case
$961.00
In Stock
King Instrument 7720 Series Rotameter
Rugged PVC rotameters with magnetically-coupled dial-type indicator, replaces the IK55-G
$891.00
King Instruments Silver Series Flow Meter
Removable glass tube flow meters with powder-coated 304SS case & molded polycarbonate shield cover
$842.00
King Instrument 7470 Series Rotameter
127mm scale glass tube rotameter available with NPT or flange connections
$536.00