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CENTECH VIETNAM JSC

Address: No. 91-93, Lane 5, An Phu Ward, District 2, HCM City
Telephone: (+84) 24 6663 2426
Hotline: (+84) 961 739 336
Email: centech@centechvn.com
Operation Time: all weekdays (except Sunday and National Holidays)

Daniel 3818 Eight-Path Liquid Ultrasonic Flow Meter for LNG

Vendor: Rosemount

Dynamically measure LNG with greater accuracy and stability than static measurement methods with the fully-redundant, dual four-path Daniel™ 3818 Liquid Ultrasonic Flow Meter.

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Overview

Dynamically measure LNG with greater accuracy and stability than static measurement methods with the fully-redundant, dual four-path Daniel™ 3818 Liquid Ultrasonic Flow Meter. The unique multi-plane, interlocked British Gas meter design ensures increased flow capacity and virtually no incremental pressure drop with factory-proven linearity within ±0.15% and a meter factor uncertainty of ±0.027% to ensure the highest measurement integrity. The meter is equipped with powerful Daniel 3810 Series Electronics that generate a wealth of real-time predictive diagnostics to help operators rapidly identify process upsets to minimize measurement uncertainty.


Features

  • Increase I/O with new Type 4 CPU Module with up to six frequency or digital outputs
  • Maximize measurement integrity with factory-proven linearity within ±0.15% and ±0.027% meter factor uncertainty
  • Avoid measurement issues with built-in diagnostics that track LNG quality, process conditions and flow integrity
  • Expedite tanker loading and offloading at high-volume LNG transfer operations with larger line size meters
  • Minimize maintenance time, cost and the risk of LNG flashing with a full-bore body that has no moving parts
  • Reduce compression costs and increase operational efficiencies by virtually eliminating pressure drop
  • Rely on calibration via static zero flow and full dynamic testing conducted in our ISO 17025-certified facility
  • Increase I/O with new Type 4 CPU Module with up to six frequency or digital outputs


Specification

Line Sizes
DN100 to DN900 (4-in to 36-in)
Fluid Type
Liquified natural gas (LNG)
Linearity
±0.15% of measured value over a 1.2 to 12.2 m/s (4 to 40 ft/s) range or ±0.20% of measured value over a 0.6 to 12.2 m/s (2 to 40 ft/s) range (optional)
Uncertainty of Meter Factor
>±0.027% (API MPMS, Chapter 5, Section 8, Table B-1)
Velocity
0.6 to 12.2 m/s (2 to 40 ft/s) with an extended range of 0.3 to 14.6 m/s (1 to 48 ft/s)
Temperature Range
  • Transducers: -196°C to +60°C (-385°F to +140°F)
  • Electronics (ambient): -40°C to +60°C (-40°F to +140°F)
Pressure Range
0 to 250 Bar (0 to 3600 psig)
Specific Gravity Range
0.35 and higher (nominal 0.45)
Materials
Carbon steel and stainless steel
Calibration
Conducted in Emerson’s ISO 17025 certified flow calibration laboratory