Section 1: Introduction | Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual |
May 2012 | |
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1.6Meter specifications
Specifications for Daniel 3818 LNG Liquid Ultrasonic Flow Meters are below:
TableMeter type | Number of paths: | ||
| • | Eight path (sixteen transducer) chordal design | |
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| Ultrasonic type: | ||
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| • Spool piece with integral mount transducers | ||
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Meter performance |
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Linearity | • | ± 0.15% of measured value over a 10:1 turndown | |
| • ± 0.20% of measured value over a 20:1 turndown | ||
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Repeatability | • | ±0.02% of reading in the specified velocity range | |
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Velocity range | • | 2.0 fps (0.6 m/s) to 40.0 fps (12.2 m/s) (nominal) 48 fps (14.3 m/s) | |
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Upper Viscosity Limit | • | 150 centipoise (Transducers | |
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Body and Flange Pressure | U.S. Customary Units - Meter size 30 (Raised face, RTJ or Companion) | ||
rating range | • | Line sizes: | |
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| — | 30” (DN 900) |
| • ANSI pressure classes (per ANSI B16.5): | ||
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| — 300 ANSI / PN 50 | |
| • Body and flange material and temperature rating: | ||
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| — 316 Stainless steel (forged) body and flanges: | |
| • | Maximum Pressures | |
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| — | Dependent on operating temperature |
| • | Minimum Pressures | |
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| — 0 psig 0 barg | |
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Flange types | • | Raised face for: | |
| • | ANSI class - 300 | |
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Specific Gravity | • | 0.35 to 1.50 | |
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Accuracy Limits | • | Accuracy limits typically are: | |
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| — ± 2% without a flow calibration | |
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8 | Meter specifications |