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Higher plant availability with maintenance free flowmeter

Prevent unplanned shutdown with 2-wire Coriolis flowmeter Promass E 200 in LPG processing plant

Mechanical flowmeter with moving parts will wear over time and constantly need time and cost for maintenance. Coriolis flowmeter could provide accurate and reliable measurement with reduced maintenance effort to assist our customer to produce high quality product with low operational cost.


  • Coriolis flowmeter with no moving part offers higher plant availability and reduced maintenance efforts.
    • Best-fit instrument with intrinsic safety & providing reliable data and safety to the process


Mechanical flowmeter with moving parts will wear over time and constantly need time and cost for maintenance.

Our Solution

Compact loop-powered Coriolis flowmeter, Promass E 200 with pipe spool could easily match the PD flowmeter face to face length without any pipe modification needed.

Coriolis flowmeters have been used for decades with great success. This measurement technology could simultaneously measure mass flow, density and temperature.


  • Accurate mass flow measurement with no moving part.

  • Reduce maintenance cost and time – increase plant availability

  • Loop-powered coriolis flowmeter could reuse PD flowmeter cable to power up the flowmeter – no extra cable need to be laid

  • Safe plant operation with intrinsically safe design (Ex ia) flowmeter

  • Flowmeter with self-diagnostic according to NAMUR recommendation NE107 to prevent unplanned shut down

Process Description

The customer is one of the crude oil refinery in Malaysia. The supply and return of Liquefied Petroleum Gas (LPG) to and fro the LPG processing plant were measured with 3 units of positive displacement (PD) flowmeter. PD flowmeter is a volumetric flowmeter with moving parts subjected to wear hence influence the flow measurement accuracy. Usually filter is installed before the flowmeter and frequent cleaning is needed to prevent flowmeter clogging and causing production down time.


Loop-powered coriolis flowmeter Promass E 200
• Loop-powered technology
• Compact design
• Process temperature: -40 to +150°C
• Developed to SIL 2/3 (IEC 61508), Hazardous Area Approvals, PED, CRN
• Nominal diameters: DN 8 to 50


Endress+Hauser (M) Sdn Bhd / Endress+Hauser (Tenaga) Sdn Bhd
No. 27, Jalan Astaka U8/84 Seksyen U8, Bukit Jelutong 40150 Shah Alam Selangor Malaysia
Tel.: +60 3 7843 3888
Fax: +60 3 7843 3800
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