Positive Displacement Flowmeters

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In principle, positive displacement flowmeter requires no external energy such as electricity. Flowrate is calculated from the number of revolutions of a rotor(s) activated by the energy of fluid.
Generally, positive displacement flowmeter offers high accuracy measurement and is suitable for totaling the flowrate. Accordingly it is used in various kinds of applications including industrial instruments. Especially, since their use was approved for taxable transactions of petroleum products by the National Tax Agency in Japan, positive displacement flowmeters have been assuming a significant role in the field of custody transfer to be certified.

Positive
Displacement
Flowmeters
lineup

Fluid category High
accuracy

*1
Micro

*2
High
temperature

*3
Ultra-high
pressure

*4
Explosion
proof
Battery
powered
For energy
saving
measures
Liquid
Steam
Gas

High accuracy,
general-purpose model:

Ultra OVAL
     

Mechanical Counter:

OVAL flowmeter
       

Low vibration, no-pulsation,
low noise model:

UF-II, Ultra UF-II
       
Ultra Counter with Batch Controller
for Ultra OVAL, Ultra UF-II

 

Inexpensive model for boiler oil,
water feed:

FLOWPET-5G (Electronic Counter)
       

Inexpensive model
for boiler oil feed:

FLOWPET-NX (Mechanical counter)
           

Micro Fuel Flowmeter:

KEROMATE-RN
       

Super Micro, Small Sized:

Flowmate, Super Micro Flowmate
         

Inexpensive, explosionproof model:

ECO OVAL
       

For gas measurement:

GAS OVAL
       

Zero pressure differential,
fast response, ultra-micro model:

Hi Shot Servo 1
         

High accuracy, fuel oil
and lubrication oil flowmeters:

New Mini Meter, Mini Meter
           

For sanitation intended
for liquid food applications:

MILK METER
         

Indicating open/closure
or degree of opening of hydraulic valve:

Valve Position indicator
         

*1: Within ±1% RD, *2: Within 1.5 mL/min or 0.1 L/min (normal), *3: 200°C min., *4: 30 MPa min.

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