Product name: FLOWSIC900 ultrasonic flowmeter

Product type: Custody transfer ultrasonic LNG meter

Measuring principle: Ultrasonic transit time difference measurement

Measured variables:

Volume a. c.

Volumetric flow a. c.

Fluid velocity

Speed of sound

Measuring medium: LNG (Liquefied Natural Gas)

Nominal pipe size: 8″ … 36″

DN200 … DN900

Schedule 40S/STD acc. ASME B36.19 / B36.10

Other sizes on request

Repeatability: ≤ ±0.05 % of the measured value

Accuracy: Typical error limits Qmin … Qmax ≤ ±0.2 % of reading after flow calibration and adjustment

Operating pressure range: 0 bar(g) … 19 bar(g) / 0 psi(g) … 275 psi(g)

Metrological approvals and certificates:

OIML R117 Class 0.3

API MPMS Ch. 5.8

Explosion protection:

IECEx: IEC 60079

cCSA: CAN/CSA C22.2 No. 60079

CSAus: UL 60079, UL 61010, UL 1203, FM3600

Pressure rating: ASME B16.5/B16.47, B36.19/B36.10

Hazardous area approvals:

IECEx: Ex db ia [ia Ga] IIA T4 Gb

NEC/CEC (US/CA): Class I, Division 2, Group D T4; Ex db ia [ia Ga] IIA T4 Gb; Class I, Zone 1, AEx db ia [ia Ga] IIA T4 Gb; Class I, Division 1, Group D T4

Digital outputs: 2 digital output / frequency output; others on request

Digital communication:

Modbus RS-485 (2x)

Modbus RTU/ASCII

Bluetooth

USB

Device properties:

Intrinsically safe and reliable ultrasonic transducers

Conforms to OIML R117 Cl. 0.3 and API MPMS Ch. 5.8

Real-time measurement and diagnostics

Full-bore design without pressure drop or need for flow conditioner

Factory thermal pre-insulation

Remote Signal Processing Unit

Field of application:

Custody transfer measurement of LNG

Onshore and offshore applications

LNG liquefaction, transport, and storage

Benefits:

Low measurement uncertainty at custody transfer point

Real-time measurement and diagnostics for better transaction transparency

Reduced boil-off gas losses and minimized pressure drop

Simplified meter integration and installation

Easy commissioning and regular checks with remote SPU

Download Datasheet