Alternate TextPositive Displacement Flowmeter


M series Positive Displacement Flowmeter

Koeo M Series positive displacement (PD) meters
offer the ultimate in measurement accuracy for
custody transfer of petroleum products, aviation fuels, LPG, and a broad range of industrial liquids.

Koeo meters incorporate a unique design, presenting minimal intrusion in a flowing stream of liquid, as well as minimal pressure drop through the meter. The Koeo meter consists of a housing in which three synchronized rotors turn with no metal-to-metal contact. Hydraulic sealing is accomplished by a stationary boundary layer of liquid, not by the wiping action of mechanical parts.

Low pressure drop—will operate on gravity flow or pump pressure.
Sustained accuracy—no wear from metal-to-metal contact inside the measuring chamber means minimal deterioration in accuracy over time, fewer recalibrations, and longer service life.
Wide temperature range—products can be metered accurately from -40° F (-40° C) to 160° F (71° C).
Wide viscosity range—Koeo meters can accurately meter products from less than 30 SSU (less than 1 centipoise) to 1,500,000 SSU (325,000 centipoise).
Maximum adaptability—right angle design with choice of stock or custom elbows/ fittings provides unequaled mounting flexibility to meet your installation requirements.
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Aluminum Air & Vapor Eliminators

Mechanical air and vapor eliminators remove air and vapor from metering systems. Removing the air and vapor from a metering system increases the accuracy of the meter by allowing only liquid to pass through the meter for measurement.
Working Pressure = 150 PSI
Typical Products are Refined Fuels


Strainers help to protect meters from serious damage caused by burrs dislodged from new piping, pipe scale or foreign material. The initial cost of the strainer is good insurance against the cost of down time and replacement parts incurred from a damaged meter. A meter strainer installed on the inlet side is necessary even when a coarse strainer on the upstream side of the pump is included in the system. Strainers are not meant to be used as a system filter but as limited protection for the meter element itself.

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