Reference: 58.10.4075 5/6/2010, Location: Middle East
Category: Ultrasonic Flowmeter
Scope of Work
1- Supply of # 24 clamp-on type ultrasonic gas flowmeter for moc degassing stations
ultrasonic gas flowmeter clamp-on type FLUXUS G800 or equivalent with ip66 enclosuer for permanent installation and all accessories for measuring the output natural gas for the degasing stations.
All electronic components a flame proof enclosure.
Terminals and terminal boxes have the type of protection. The instrument work according
to the transit- time principle the transducers are mounted on to the piped (clamp - on technique)
- Basic design data:
fluid: natural gas
flow rate: min: 2.5 mmscf/d, max: 20 mmscf/d
meter type: clamp - on technique ultrasonic flowmeter
lines sizes: 6" - 14"
pipes wall thichness: min: 5.5mm, max: 14mm
max. operating press: 10 kg/cm²
Operating temp: min: 0 °c max: 55 ° c
- Technical data :
Measuring principle: transit time difference
flow velocity: ( 0.01 to35 ) m/s
Repeatability: 0.15 % or better
Accuracy: 0.1 % or better
Power supply: (100 - 240) vac, (12 - 36) vdc
Display: 2 x 16 characters
Operating temp: - 5ú c to 55ú c
- Measuring function:
Quantities measurement: volume and mass flow rate, flow velocity.
Totalizers: volume, mass.
Current measuring range: (0/4 to 20) ma
Operating language: multi
Main language: English
- Flow transducer:
Suitable set of ultrasonic flow wave transducer, normal temp range for Atex zone 1 connection system is with junction box and suitable extension cable.
Design temp: -10 °c - 120 °c (orbiter).
- Junction box:
Technical type: JBO 1S4E3M or equiv
Installation: wall mounting or 2" pipe mounting
Housing: stainless steel 316
Degree of protection: ip67 acc to en60529
- Meters calibration:
Each ultrasonic flowmeter is to be individually calibrated at the manufacture's facility on a petroleum product, with one of methods recommended by API standards. The meters are to be calibrated on at least five points over the catalog flow range with three calibration runs.
2- Supply of # 12 UPS system suitable to deliver power:
Accrue on the inverter. The UPS should be operating for two hours at least.
Input power: 220 vac 50 hz
3- Supply of # 3000 mtr control cables:
Individually screened control cable10c x 1.5 mm² pvc insulated over shield with alum/pst foil along (6 drum * 500 mtr) over all pvc, armored wire.
4- Supply of Spare part:
Two years of operation spare parts for the flowmeter, transducers, junction box, ups, extension cable and all items.