Emerson 3-9000-771A Manuel D’Utilisation

Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual

Table of Contents

3-9000-771 Rev A

May 2012

Table of Contents

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