Vega VEGAFLEX 81 Bedienungsanleitung

Mounting instructions - Ship-

building

VEGAFLEX 81

Cargo tank (crude oil)

Waste oil tank

Service tanks (heavy oil, cooling water tank)

Ballast tanks (wing tanks)

Document ID: 39154

Contents

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

Contents

1 General information

1.1 General instructions ......................................................................................................... 3

1.2 Type plate......................................................................................................................... 3

1.3 Measuring range .............................................................................................................. 5

2 Mounting, in general

2.1 Suitable housing versions ................................................................................................ 6

2.2 Installation on deck with protective cover ......................................................................... 6

2.3 Installation on deck without protective cover .................................................................... 7

3 Mounting - standard

3.1 Actuating variables........................................................................................................... 8

3.2 Distance to vessel installations....................................................................................... 11

3.3 Ways of fastening the probe ........................................................................................... 14

4 Mounting in a standpipe

4.1 Mounting - cable version ................................................................................................ 17

Editing status: 2013-06-11

1 General information

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

1 General information

1.1 General instructions

This mounting instructions manual provides the necessary guidelines

for correct mounting of level sensors VEGAFLEX 81 on ships.

The mounting instructions manual applies to the following sensors

with ship approval:

•VEGAFLEX 81 .CM…

•VEGAFLEX 81 .DM…

•VEGAFLEX 81 .XM…

Take note of the type label of the sensor. Only the abovementioned

versions meet the special requirements for use on ships. The type

label is located on the instrument housing.

To ensure proper functioning of the instrument, take careful note of all

the information in this mounting instructions manual.

Mount the VEGAFLEX 81 exactly according to the instructions in this

manual.

Read this manual before selecting the mounting position. Take note

of existing installations and discuss the mounting with the shipyard

technicians.

Make all necessary information on the mounting position and installa-

tion conditions available to the shipyard.

You can nd further information on technical data or setup in the

operating instructions of VEGAFLEX 81. This manual comes with the

instrument.

When using in hazardous areas take note of all relevant technical

data and special regulations of the Ex-specic safety instructions of

VEGAFLEX 81 as well as possible devices that supply power. The

approval documents are part of the scope of delivery for instruments

with Ex approval.

1.2 Type plate

The nameplate contains the most important data for identication and

use of the instrument:

Type plate

1 General information

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

Fig. 1: Layout of the type label (example)

1 Instrument type

2 Product code

3 Approvals

4 Power supply and signal output, electronics

5 Protection rating

6 Probe length

7 Process and ambient temperature, process pressure

8 Material, wetted parts

9 Hardware and software version

10 Order number

11 Serial number of the instrument

12 Symbol of the device protection class

13 ID numbers, instrument documentation

14 Reminder to observe the instrument documentation

15 NotiedauthorityforCEmarking

16 Approval directives

1 General information

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

1.3 Measuring range

Fig.2:Measuringranges-VEGAFLEX81

1 Reference plane

2 Probe length L

3 Measuring range (default setting refers to the measuring range in water)

4 Upper dead band (in this area no measurement is possible)

5 Lower dead band (in this area no measurement is possible)

2 Mounting, in general

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

2 Mounting, in general

2.1 Suitable housing versions

Fig. 3: Areas on a ship - side view

A Ondeck

B Belowdeck

C Engineroom

Plastic housing Aluminium housing Stainless steel

housing (precision

casting)

On deck No No Ye s

Below

deck

Ye s No Ye s

Engine

room

Ye s No Ye s

Ta b.1:Suitablehousingsfordierentareasoftheship

2.2 Installation on deck with protective cover

Housing Protective cover

closed

Protective cover

vented

Plastic

Aluminium die-

casting

Stainless steel

housing 316L

(IP 68, 0.2 bar)

Cable gland for cable diameters of 7 … 12 mm. An additional seal for

cable diameters of 10 … 14 mm is attached.

2 Mounting, in general

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

2.3 Installation on deck without protective cover

132

Fig. 13: Adapter for protective hose

1 Installation by shipyard

2 Adapter for protective hose - M20 x 1.5 to M24 x 1.5

3 Housing stainless steel, precision casting 316L, 0.2 bar with adapter for

protective hose

M20 x 1,5

M24 x 1,5

Fig. 14: Adapter for protective hose - M20 x 1.5 to M24 x 1.5

Cable gland for cable diameters of 13 mm, additional seal for cable

diameters of 9 … 11 mm is attached.

Fig.15:Housingstainlesssteel,precisioncasting316LIP68,1barwithVEGA

cable outlet

Stainless steel housing IP 68, 1 bar with cable outlet (PUR) and capil-

laries for pressure transmitters.

Adapter for protective

hose

Stainless steel housing

IP 68, 1 bar

3 Mounting - standard

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

3 Mounting - standard

3.1 Actuating variables

General information

Fig.16:VEGAFLEX81-Mounting

1 Energyeld

2 Containerframe

3 Heating coil

4 Pump

High frequency microwave pulses are guided along a steel cable or

rod.

The microwave pulses generate an energy eld with a radius of ap-

proximately 300 mm (11.81 in) around the sensor cable.

Installations within this energy eld inuence the measurement.

Process tting

If possible, avoid vessel sockets. Mount the sensor ush to the vessel

ceiling.

If this is not possible, use short sockets with small diameter.

3 Mounting - standard

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

max level

Fig. 17: Mounting options

1 Flush mounting

2 Socketmounting

x Upper dead band (no measurement possible in this area)

h Socketheight

d Socketdiameter

Keep in mind that a min. distance must be maintained below the refer-

ence plane - measurement is not possible here (dead band).

The value x states the max. upper value of the measuring range as

distance to the level. This value depends on the medium.

Medium x

Water 80 mm (3.15 in)

Oil, bitumen 150 mm (5.91 in)

Solvents 150 mm (5.91 in)

If a socket is required, you can nd the optimised dimensions d and h

in the following table.

d h

DN 50 … DN 150 150 mm (5.91 in)

DN 150 … DN 200 100 mm (3.94 in)

3 Mounting - standard

VEGAFLEX 81 • Cargo tank (crude oil)

39154-EN-130626

Mounting details of the socket

10 mm

(0.39")

Fig.18:Mountingdetailsofthesocket

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