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Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual Table of Contents
3-9000-771 Rev A May 2012
Table of Contents i
Contents
Important Safety Instructions
Section 1: Introduction
1.1 Typical Applications .................................................................................... 1
1.2 Features and benefits: ................................................................................. 1
1.3 Acronyms, abbreviations and definitions ....................................................... 2
1.4 Daniel MeterLink software ........................................................................... 5
1.5 3818 LNG Liquid Ultrasonic Flow Meter design .............................................. 6
1.6 Meter specifications .................................................................................... 8
1.7 Pre-installation considerations ................................................................... 11
1.8 Safety ...................................................................................................... 11
1.9 Certifications and approvals ....................................................................... 12
1.10 FCC compliance ....................................................................................... 13
Section 2: Mechanical installation
2.1 Meter piping, lifting and mounting ............................................................. 15
2.2 Meter components .................................................................................... 17
2.3 Piping recommendations ........................................................................... 18
2.4 Field hydrostatic pressure testing ............................................................... 21
2.5 Meter safety for hoist rings and lifting slings ............................................... 22
2.5.1 Use of appropriate safety engineered swivel hoist rings
in meter end flanges ....................................................................................... 23
2.5.2 Appropriately rated lifting slings ..................................................................... 28
2.6 Mounting requirements in Liquefied Natural Gas pipelines ........................... 31
Section 3: Electrical installation
3.1 Cable length TTL mode .............................................................................. 35
3.2 Cable length Open Collector mode ............................................................. 35
3.3 Grounding meter electronics ..................................................................... 36
3.4 Conduit seals ............................................................................................ 38
3.4.1 Startup for systems using explosion-proof conduit ......................................... 39
3.4.2 Startup for systems that use flame-proof cable ............................................... 40
3.5 Wiring and I/O .......................................................................................... 41
3.5.1 CPU Module labeling and LED indicators......................................................... 42