
King Instrument Company
Established in 1983, King Instrument Company specializes in manufacturing high-quality flowmeters, including rotameters, to meet various industrial applications.
All Products(9)

7520 & 7530 Series - Acrylic Tube Flowmeter
Economical machined cast acrylic block construction makes these flowmeters great for OEM use. Optional inlet metering valve available.

7710 Series - Stainless Steel Tube Flowmeter
This all 316L stainless steel meter utilizes a float and tapered tube design which offers longer, more linear scales, better pointer stability and 40% greater accuracy than competitively priced products. A 4-20mA transmitter option adds to its versatility.

7750 Series - Stainless Steel Tube Flowmeter
These 316L stainless steel meters feature flange connections, all welded construction (no O-rings), and an end to end length of 250mm. A float and tapered tube design provides longer, more linear scales. A 4-20mA transmitter option adds to its versatility.

7100 Series Stainless Steel Tube Flowmeter
All 316L stainless steel construction with flanged connections makes this meter suitable for low-flow, high-pressure applications.

7650 Series - Glass Tube Flowmeter
King Introduces a chemical resistant, borosilicate glass tube meter series for liquid service. It features a clear polycarbonate shield surrounding the glass metering tube.It is assembled in a 304 SS tie rod frame. It offers CPVC and Hastelloy C-276 as optional materials of construction, suitable for a wide range of chemical and corrosive applications. O-ring seals allow for easy disassembly and cleaning.

7460 Series - Glass Tube Flowmeter
There is nothing else like it in the industry. This 75 mm scale glass tube meter offers economical 304 stainless steel case construction with vertical connections.

7450 Series - Glass Tube Flowmeter
Side plate style meters with 75 mm or 150 mm borosilicate glass tube and 316L stainless steel or brass connections. Valves optional. Available with Hastelloy® C-276 construction for greater chemical resistance.

7440 Series - Glass Tube Flowmeters
Based on our proven panel-mountable 7430, we offer the vertically-connected 7440 with the same scale lengths, flow rates, and cost-effective performance for low-flow applications such as purge metering and chemical dosing.

7430 Series - Glass Tube Flowmeters
Both 65 mm and 150 mm scales, borosilicate glass tube models feature all stainless steel frame and horizontal connections at a less expensive price than competitive products. Valve optional.
