L-737-3-E
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2. GENERAL AND FEATURES
2.1 General
Our concentrated effort in developing true state-of-the-art measuring devices and specialized manufacturing
experience in Coriolis technology has resulted in this extra-high pressure service Coriolis flowmeter
characterized by outstanding performance, ease of use, and increased safety.
It consists essentially of a sensor unit and a transmitter (PA0K). Equipped with a high performance transmitter
having a self-diagnosis function, large screen display, and the capability to change settings on-site by
touchscreen, This Coriolis flowmeter can directly measure mass flow rate with high accuracy.
2.2 Features
(1) High accuracy and high sensitivity.
(2) Accepts both liquid and gas. Measures a wide flow range accurately.
(3) Measures temperature besides mass flow rate.
(4) Branchless flow path design offers ease of cleaning.
(5) No welded point in the wetted parts − a truly dependable design suitable for high pressure gas
measurement.
(6) The wetted parts are made of XM-19 which is resistant to hydrogen embrittlement. Therefore this model is
especially suitable for the flow measurement of high-pressure hydrogen.
(7) The meter casing has a high mechanical rigidity for ease of use, reducing space requirements, and
increasing process safety.
(8) Explosionproof design allows for its use in hazardous locations.
3.1 Sensor Unit
3.1.1 General Specifications
Item Description
Model CA004
Measuring Tube O.D. 9/16
Materials
Wetted parts TPXM-19 UNS S20910 SA-312
Housing SUS304
Connector connection
High-press. cone & thread connection, size 9/16 562C
(male thd. 1•1/8-12UNF)
Acceptable fluids Liquid and gas ※1
Density range 0 to 2.0 g/mL
Temperature range
(Structural rating)
−40 to +130℃
Max. operating pressure 120MPa (at 93℃ )
Flow direction Forward and reverse, both available
Explosionproof configuration (See the topic under 10.4 Explosionproof specification)
Weight
(Terminal box and mtg. base incl.)
Approx. 21kg
※1: For hydrogen gas at 20℃ , the required operating pressure [MPa] can be calculated as
measuring flow rate [kg/h] times 0.19. (e.g. approx. 22.8MPa or more when 120 kg/h)
For the precise required operating pressure, contact OVAL.
※: For the High Pressure Gas Safety Act applicable model, contact OVAL.
NOTES
3. SPECIFICATIONS AND PERFORMANCE
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