YOKOGAWA AE100D, AE200D, AE300D User's Manual

User's
Manual

Models AE100D, AE200D, and AE300D
Magnetic Flow Tube
[Style:S2]

IM 1E7D0-01E

IM 1E7D0-01E

11th Edition

CONTENTS

CONTENTS

1. INTRODUCTION..........................................................................................1-1

2. HANDLING PRECAUTIONS ....................................................................... 2-1

2.1 Checking Model and Specifications.................................................... 2-1

2.2 Accessories ......................................................................................... 2-1

2.3 Storage Precautions............................................................................ 2-1

2.4 Installation Location Precautions ........................................................ 2-1

2.5 Terminal Box Reorientation Precautions ............................................ 2-1

3. INSTALLATION ........................................................................................... 3-1

3.1 Piping Design Precautions.................................................................. 3-1

3.2 Handling Precautions .......................................................................... 3-3

3.2.1 General Precautions ..................................................................... 3-3

3.2.2 Flow Tube Piping ......................................................................... 3-4

3.3 Mounting.............................................................................................. 3-5

3.3.1 Nominal Diameter 2.5 mm (0.1in.) to 10 mm (0.4in.)

Union Joint Type .......................................................................... 3-5

3.3.2 Nominal Diameter 2.5mm (0.1in.) to 40mm (1.5in.)

Wafer Type................................................................................... 3-6

3.3.3 Nominal Diameter 50 mm(2in.) to 300 mm(12in.) Wafer Type ... 3-9

3.3.4 Nominal Diameter 15 mm (0.5in.) to 400 mm (16in.)

Flange Type ............................................................................... 3-12

3.3.5 Mounting Procedure for Sanitary Type ...................................... 3-14

3.4 Wiring Precautions ............................................................................ 3-14

3.4.1 Protective Grounding.................................................................. 3-14

3.4.2 General Precautions ................................................................... 3-14

3.4.3 Cable Types ............................................................................... 3-15

3.4.4 Connnection to AE14 Magnetic Flow Converter ........................ 3-16

3.4.5 Wiring Ports................................................................................ 3-16

4. MAINTENANCE...........................................................................................4-1

4.1 Regular Inspection Items .................................................................... 4-1

4.2 Trouble Shooting................................................................................. 4-1

5. OUTLINE......................................................................................................5-1

6. EXPLOSION PROTECTED TYPE INSTRUMENT...................................... 6-1

6.1 ATEX Directive.................................................................................... 6-1

6.2 FM ....................................................................................................... 6-2

6.3 CSA ..................................................................................................... 6-2

6.4 SAA ..................................................................................................... 6-3

7. PRESSURE EQUIPMENT DIRECTIVE.......................................................7-1

FD No. IM 1E7D0-01E
11th Edition: Dec., 2003 (YG)
All Rights Reserved, Copyright © 1994, Yokogawa Electric Corporation

i

1. INTRODUCTION

NOTE

1. INTRODUCTION

This instrument has been already adjusted at the
factory before shipment.

To ensure correct use of the instrument, please read
this manual thoroughly and fully understand how to
operate the instrument before operating it.

 Regarding This Manual

•This manual should be passed on to the end user.

• Before use, read this manual thoroughly to compre­hend its contents.

• The contents of this manual may be changed
without prior notice.

• All rights reserved. No part of this manual may be
reproduced in any form without Yokogawa’s written
permission.

•Yokogawa makes no warranty of any kind with
regard to this material, including, but not limited to,
implied warranties of merchantability and suitability
for a particular purpose.

• All reasonable effort has been made to ensure the
accuracy of the contents of this manual. However, if
any errors are found, please inform Yokogawa.

• Yokogawa assumes no responsibilities for this
product except as stated in the warranty.

• If the customer or any third party is harmed by the
use of this product, Yokogawa assumes no responsi­bility for any such harm owing to any defects in the
product which were not predictable, or for any
indirect damages.

The following safety symbol marks are used in
this manual and instrument;

WARNING

A WARNING sign denotes a hazard. It calls
attention to procedure, practice, condition or the
like, which, if not correctly performed or adhered
to, could result in injury or death of personnel.

CAUTION

A CAUTION sign denotes a hazard. It calls
attention to procedure, practice, condition or the
like, which, if not correctly performed or adhered
to, could result in damage to or destruction of
part or all of the product.

IMPORTANT

A IMPORTANT sign denotes an attention to
avoid leading to damage to instrument or system
failure.

 Safety Precautions

• The following general safety precautions must be
observed during all phases of operation, service, and
repair of this instrument. Failure to comply with
these precautions or with specific WARNINGS
given elsewhere in this manual violates safety
standards of design, manufacture, and intended use
of the instrument. YOKOGAWA Electric Corpora­tion assumes no liability for the customer’s failure to
comply with these requirements. If this instrument is
used in a manner not specified in this manual, the
protection provided by this instrument may be
impaired.

A NOTE sign denotes a information for essential
understanding of the operation and features.

Protective grounding terminal.
Function grounding terminal. This terminal

should not be used as a “Protective grounding
terminal”.

Alternating current.
Direct current.

1-1

IM 1E7D0-01E

1. INTRODUCTION

 Warranty

• The guaranteed term of this instrument is described
in the quotation. We repair the damages that
occurred during the guaranteed term for free.

• Please contact with our sales office when this
instrument is damaged.

• If the instrument has trouble, please inform us
model code, serial number, and concrete substances
or situations. It is preferable to be attached a outline
or data.

• We decide after the examination if free repair is
available or not.

• Please consent to the followings for causes of
damages that are not available as free repair, even if
it occured during the guaranteed term.

A:Unsuitable or insufficient maintenance by the

customer.

B: The handling, using, or storage that ignore the

design and specifications of the instrument.

C: Unsuitable location that ignore the description in

this manual.

D:Remaking or repair by a person except whom we

entrust.

E: Unsuitable removing after delivered.
F: A natural disaster (ex. a fire, earthquake, storm and

flood, thunderbolt) and external causes.

 For Safety Using

For safety using the instrument, please give attention
mentioned below.

WARNING

(1) Installation

• The instrument must be installed by expert
engineer or skilled personnel. The procedures
described about INSTALLATION are not
permitted for operators.

• The Magnetic Flow Tube is a heavy instrument.
Please give attention to prevent that persons
are injured by carrying or installing. It is prefer­able for carrying the instrument to use a cart
and be done by two or more persons.

•In case of high process temperature, care
should be taken not to burn yourself because
the surface of body and case reach a high
temperature.

•When removing the instrument from hazardous
processes, avoid contact with the fluid and the
interior of the flow tube.

• All installation shall comply with local install­ation requirement and local electrical code.

(2) Wiring

• The instrument must be installed by expert
engineer or skilled personnel. The procedures
described about WIRING are not permitted for
operators.

•Please confirm voltages between the power
supply and the instrument before connecting
the power cables. And also, please confirm
that the cables are not powered before con­necting.

• The protective grounding must be connected to
the terminal in order to avoid personal shock
hazard.

(3) Operation

• Wait 10 min. after power is turned off, before
opening the covers.

(4) Maintenance

•Please do not carry out except being written to
a maintenance descriptions. When these
procedures are needed, please contact to
nearest YOKOGAWA office.

• Care should be taken to prevent the build up of
drift, dust or other material on the display glass
and data plate. In case of its maintenance, soft
and dry cloth is used.

(5) Explosion Protected Type Instrument

• For explosion proof type instrument, the de­scription in Chapter 6 “EXPLOSION PRO­TECTED TYPE INSTRUMENT” is prior to the
other description in this user's manual.

• Only trained persons use this instrument in the
industiral location.

• The protective grounding must be connected
to a suitable IS grounding system.

• Take care not to generate mechanical spark
when access to the instrument and peripheral
devices in hazardous locations.

(6) The Instrument in Compliance with PED

• For the instrument in compliance with PED, the
description in Chapter 7 “PRESSURE EQUIP­MENT DIRECTIVE” is prior to the other de­scription in this User’s Manual.

1-2

IM 1E7D0-01E

1. INTRODUCTION

■ ATEX Documentation

This procedure is only applicable to the countries in
European Union.

GB

All instruction manuals for ATEX Ex related products
are available in English, German and French. Should
you require Ex related instructions in your local
language, you are to contact your nearest Yokogawa
office or representative.

DK

Alle brugervejledninger for produkter relateret til
ATEX Ex er tilgængelige på engelsk, tysk og fransk.
Skulle De ønske yderligere oplysninger om håndtering
af Ex produkter på eget sprog, kan De rette
henvendelse herom til den nærmeste Yokogawa
afdeling eller forhandler.

I

Tutti i manuali operativi di prodotti ATEX
contrassegnati con Ex sono disponibili in inglese,
tedesco e francese. Se si desidera ricevere i manuali
operativi di prodotti Ex in lingua locale, mettersi in
contatto con l’ufficio Yokogawa più vicino o con un
rappresentante.

E

Todos los manuales de instrucciones para los productos
antiexplosivos de ATEX están disponibles en inglés,
alemán y francés. Si desea solicitar las instrucciones de
estos artículos antiexplosivos en su idioma local,
deberá ponerse en contacto con la oficina o el
representante de Yokogawa más cercano.

NL

SF

Kaikkien ATEX Ex -tyyppisten tuotteiden käyttöhjeet
ovat saatavilla englannin-, saksan- ja ranskankielisinä.
Mikäli tarvitsette Ex -tyyppisten tuotteiden ohjeita
omalla paikallisella kielellännne, ottakaa yhteyttä
lähimpään Yokogawa-toimistoon tai -edustajaan.

P

Todos os manuais de instruções referentes aos produtos
Ex da ATEX estão disponíveis em Inglês, Alemão e
Francês. Se necessitar de instruções na sua língua
relacionadas com produtos Ex, deverá entrar em
contacto com a delegação mais próxima ou com um
representante da Yokogawa.

F

Tous les manuels d’instruction des produits ATEX Ex
sont disponibles en langue anglaise, allemande et
française. Si vous nécessitez des instructions relatives
aux produits Ex dans votre langue, veuillez bien
contacter votre représentant Yokogawa le plus proche.

D

Alle Betriebsanleitungen für ATEX Ex bezogene
Produkte stehen in den Sprachen Englisch, Deutsch
und Französisch zur Verfügung. Sollten Sie die
Betriebsanleitungen für Ex-Produkte in Ihrer
Landessprache benötigen, setzen Sie sich bitte mit
Ihrem örtlichen Yokogawa-Vertreter in Verbindung.

S

Alla instruktionsböcker för ATEX Ex (explosionssäkra)
produkter är tillgängliga på engelska, tyska och
franska. Om Ni behöver instruktioner för dessa
explosionssäkra produkter på annat språk, skall Ni
kontakta närmaste Yokogawakontor eller representant.

Alle handleidingen voor producten die te maken
hebben met ATEX explosiebeveiliging (Ex) zijn
verkrijgbaar in het Engels, Duits en Frans. Neem,
indien u aanwijzingen op het gebied van
explosiebeveiliging nodig hebt in uw eigen taal, contact
op met de dichtstbijzijnde vestiging van Yokogawa of
met een vertegenwoordiger.

GR

       ATEX Ex
  ,   .
       Ex 
     
   Yokogawa   .

1-3

IM 1E7D0-01E

2. HANDLING PRECAUTIONS

2. HANDLING PRECAUTIONS

This instrument has been already tested thoroughly at
the factory. When the instrument is delivered, please
check externals and make sure that no damage
occurred during transportation.

In this chapter, handling precautions are described.
Please read this chapter thoroughly at first. And please
refer to the relative matter about other ones.

If you have any problems or questions, please make
contact with Yokogawa sales office.

2.1 Checking Model and Specifications

The model and specifications are shown on the Data
Plate. Please confirm the specifications between the
instrument that was delivered and the purchase order
(refer to the chapter 5. Outline).

Please let us know Model and Serial No. when making
contact with Yokogawa sales office.

MODEL
SUFFIX

STYLE
SIZE
METER
FACTOR
NO.

Figure 2.1 Data Plate

MAGNETIC FLOW DETECTOR

mm
L
H

Made in Japan

LINING
MATERIAL
ELECTRODE
MATERIAL
FLUID TEMP.
FLUID PRESS.
AMB. TEMP.

IM: User’s Manual

°C MAX. (SEE IM)

-0.1 MPa MIN. (SEE IM)
+60 °C MAX. (SEE IM)

0038

N200

F0201.EPS

2.2 Accessories

2.3 Storage Precautions

In case the instrument is expected to be stored over a
long term, please give attention to the followings;

• The instrument should be stored in its original
packing condition.

• The storage location should be selected according to
the following conditions:

1) The location where it is not exposed to rain or

water.

2) The location where there is few vibration or

shock.

3) Temperature and humidity should be:

Temperature: –20 to 60˚C (–4 to 140˚F)
Humidity: 5 to 80% RH (no condensation)
Preferable ambient temperature and humidity
are 25˚C(77˚F) and about 65% RH.

2.4 Installation Location

Precautions

Please select the installation location considering the
following items to ensure long term stable operation of
the flow tube.

• Ambient Temperature:
Please avoid to install the instrument at the location
where temperature changes continuously. If the
location receives radiant heat from the plant, provide
heat insulation or improve ventilation.

•Atmospheric Condition:
Please avoid to install the instrument in an corrosive
atmosphere. In case of installing in the corrosive
atmosphere, please keep ventilating sufficiently and
prevent rain from entering the conduit.

•Vibration or shock:
Please avoid to install the instrument at the location
where there is heavy vibration or shock.

When the instrument is delivered, please make sure
that the following accessories are in the package.

• Centering device 1-set (for wafer type)

• Hexagonal wrench 1-piece (for hazardous duty type)

2.5 Terminal Box Reori-

entation Precautions

Please do not change the terminal box orientation at
the customer’s site. If the terminal box reorientation is
required, please contact Yokogawa office or service
center.

2-1

IM 1E7D0-01E

3. INSTALLATION

NOTE

3. INSTALLATION

WARNING

This instrument must be installed by expert
engineer or skilled personnel. The procedures
described in this chapter are not permitted for
operators.

3.1 Piping Design Pre­cautions

IMPORTANT

Please design the correct piping referring to the
followings to prevent damage for flow tube and
to keep correct measuring.

(1) Location

Gate valve
fully open

5 D or more 2 D or more 2 D or more

Tee

Figure 3.1.1 Minimum Length of Required Straight Run

Reducer pipe Expander pipe

Do not care to 0 D Do not care to 0 D

90° degrees bent

D: Nominal diameter of flow tube

10 D or more

Various types of valves

10 D or more5 D or more5 D or more Do not care to 0 D Do not care to 0 D

1. Nothing must be inserted or installed in the
metering pipe than may interfere with the
magnetic field, induced signal voltages, and
flow velocity distribution.

2. These straight runs may not be required on
the downstream side flowmeter. However, if
the downstream valve or other fittings cause
channeling on the upstream side, provide a
straight run of 2 D to 3 D on the downstream
side.

2 D or more

F030101.EPS

IMPORTANT

Please install the flow tube to the location where
it is not exposed to direct sunlight and ambient
temperature is –20 to + 60°C (–4 to 140°F).

* The minimum temperature is –10°C (14°F) in case

of the 40mm or larger size with the carbon steel
flange connection or wafer connection.

(2) Noise Rejection

IMPORTANT

The instrument should be installed away from
large electrical motors, transformers and other
power sources in order to avoid interference with
the measurement.

(3) Length of Straight Run

To keep accurate measuring, JIS B7554 “Electro
Magnetic Flow Tubes” explains about upstream piping
condition of Magnetic Flow Tubes.

(4) Liquid Conductivity

IMPORTANT

Please avoid to install the flow tube at location
where liquid conductivity is likely to be non­uniform. Because it is possible to have bad
influences to the flow indication by non-uniform
conductivity when a chemical liquid is injected
from upstream side close to the flow tube. When
this occurs, it is recommended that chemical
application ports are installed on the downstream
side of the flow tube. In case chemicals must be
added upstream side, please keep the pipe
length enough so that liquid is properly mixed.

(BAD)

Upstream side

(GOOD)

Downstream side

F030102.EPS

We recommend to our customers about the piping
conditions shown in Figure 3.1.1 based on JIS B7554
and our piping condition test data.

Figure 3.1.2 Chemical Insertion

3-1

IM 1E7D0-01E

3. INSTALLATION

(5) Liquid Sealing Compound

IMPORTANT

Please give attention in using Liquid Sealing
Compound to the piping, because it brings bad
influences to measurement by flowing out and
cover the surfaces of electrode and earth-ring.

(6) Service Area

Please select the location where there is enough area to
service installing, wiring, overhaul, etc.

(7) Bypass Line

It is recommended to install the Bypass Line to
facilitate maintenance and zero adjustment.

Bypass valve

Block
valve

Block valve

F030103.EPS

Please design the piping that a fluid is always filled in
the pipes. The Vertical Mounting is effective for fluids
that is easily separate or slurry settles within pipes.

In this case, please flow a fluid from bottom to up.

(GOOD)

h

h>0

Horizontal mounting Vertical mounting

Figure 3.1.4 Filling the Pipe with Liquid

(BAD)

(GOOD)

h>0

(BAD)

h

F030104.EPS

(10) No Air Bubbles

IMPORTANT

Please give attention to prevent bad influences
or measuring errors from air bubbles that gath­ers inside measuring pipes.

In case the fluid includes air bubbles, please design the
piping that prevent to gather air bubbles. In case valves
are installed upstream of the flow tube, it is possible
that a valve causes air bubbles, please install the flow
tube upstream side of a valve.

Figure 3.1.3 Bypass Line

(8) Supporting the Flow Tube

CAUTION

Please avoid to support only the flow tube, but
fix pipes at first and support the flow tube by
pipes to protect the flow tube from forces caused
by vibration, shock, expansion and contraction
through piping.
For small sized flow tubes, please provide a
mounting base so thet the tubes are fixed in the
piping. See the section 3.3 Mounting.

(9) Piping Condition

IMPORTANT

The piping should be designed so that a full pipe
is maintained at all times to prevent loss of
signal and erroneous readings.

(GOOD)

(BAD)

Figure 3.1.5 Avoiding Air Bubbles

(GOOD)

(11) Mounting Direction

IMPORTANT

When the electrodes are vertical to ground, the
electrode is covered with air bubbles at upper
side or slurry at downside, and it may cause the
measuring errors.
Please be sure to mount the terminal box upper
side of piping to prevent water penetration into
terminal box.

(Good)

(No good)

Electrodes

Figure 3.1.6 Mounting Direction

Electrodes

Air Bubbles

Slurry

(No good)

3-2

(BAD)

F030105.EPS

Water slowly
percolates
downward into
terminal box.

F030106.EPS

IM 1E7D0-01E

3. INSTALLATION

(12) Grounding

IMPORTANT

Improper grounding can have an adverse affect
on the flow measurement. Please ensure that
the instrument is properly grounded.

The electromotive force of the magnetic flow tube is
minute and it is easy to be affected by noise. And also
that reference electric potential is the same as the
measuring fluid potential. Therefore, the reference
electric potential (terminal potential) of the Flow Tube
and the Converter/Amplifier also need to be the same
as the measuring fluid. And moreover, that the poten­tial must be the same with ground.

Please be sure to ground according to Figure 3.1.7.

600 V vinyl insulated
electric cable

2

(2 mm

or larger)

3.2 Handling Precau­tions

WARNING

The Magnetic Flow tube is a heavy instrument.
Please be careful to prevent persons from
injuring when it is handled.

3.2.1 General Precautions

(1) Precaution for Carrying

The Magnetic Flow Tube is packed tightly. When it is
unpacked, please give attention to prevent damages to
the flow tube. And to prevent the accident during carry
to the installing location, please carry it near the
location keeping packed as it delivered.

CAUTION

Earth ring

Grounding resistance 100 Ω or less

In case earth rings are used.

Note; See "3.4.1 Protective Grounding" for information on
protective grounding.

Figure 3.1.7 Grounding

In case earth rings are not used.
(Available only for metal piping)

F030107.EPS

In case the Magnetic Flow Tube lifts up, please
refer to Figure 3.2.1. Please never lift up by
using a bar through the flow tube. It damages
liner severely.

Horizontal Lifting

Figure 3.2.1 Lifting Flow Tubes

Vertical Lifting Sling
Rigging Method

F030201.EPS

3-3

IM 1E7D0-01E

3. INSTALLATION

(2) Precaution for Shock

CAUTION

Care should be taken not to drop the flow tube
or subject it to excessive shock. This may lead
to liner damage which will cause inaccurate
readings.

(3) Flange Protection Covers

IMPORTANT

Please keep the protection cover (ex. corrugated
paper or anything possible to protect) attached
with flange except when mounting to the pipe.

(4) Terminal Box Cover

IMPORTANT

3.2.2 Flow Tube Piping

CAUTION

Mis-aligned or slanted piping can lead to leakage
and damage to flanges.

•Please correct mis-alignment or slanted piping and

improper distance between mounting flanges before
install the flow tube. (Please refer to Figure 3.2.2)

• Inside a pipeline which is newly installed, some

foreign substances (such as welding scrap or wood
chips) may exist. Please remove them by flushing
piping before mounting the flow tube.

Slant

Mis-alignment

F030202.EPS

Please never leave the terminal box cover open
until wiring to prevent insulation deterioration.

(5) Long-term Non-use

IMPORTANT

It is not preferable to leave the flow tube for long
term non-use after installation.
In case the flow tube is compelled to do that,
please take care of the flow tube by the follow­ings.

• Confirmation of Sealing Condition for the Flow
Tube

Please confirm the sealing conditions of the terminal

box screw and wiring ports.

In case of the Conduit Piping, please provide the
drain plugs or waterproof glands to it to prevent that
moisture or water penetrates into the flow tube
through the conduit.

• Regular Inspections
Please inspect the sealing condition (as above

mentioned) and inside of the terminal box. And
when it is suspect that water penetration into the
inside flow tube (ex. rain fall), please inspect when
it happened.

Figure 3.2.2 Slant and Mis-alignment of Flow Tube Piping

3-4

IM 1E7D0-01E

3. INSTALLATION

3.3 Mounting

3.3.1 Nominal Diameter 2.5 mm

(0.1in.) to 10 mm (0.4in.) Union
Joint Type

NOTE

Please ensure to use the attached connecting
fittings.

Ceramic linings with a diameter of 2.5, 5 or 10 mm are
connected using union joints.

Use the connecting fittings according to the table
below. Depending on whether the fitting is to be
welded to or screwed on to the piping.

Table 3.3.1 Fitting Dimensions

Unit: mm (inch)

Screw joint (Code: U2, U3)

D

(1) Mounting Direction

Please mount the Magnetic Flow Tube matching the
flow direction of the fluid to be measured with the
direction of the arrow mark on the flow tube.

IMPORTANT

If it is impossible to match the direction, please
never remodel by changing direction of the
terminal box. In case the measuring fluid flows
against the arrow direction, please refer to the
section “Reversing Flow Direction” in the Instruc­tion Manual of AE14 Magnetic Flow Converter.

(2) Connecting Process Piping

Weld or screw the connecting fittings to the process
piping.

IMPORTANT

(0.16)

Size

mm(inch)

2.5(0.1)

5(0.2)

10(0.4)

ØAØBØB

(0.16)

Size

mm(inch)

2.5(0.1)
5(0.2)

10(0.4)

ØA

11.5(0.4)

4

30(1.2)

Code A B C D

22(0.87)

U2

22(0.87)

U3

22(0.87)

U2

22(0.87)

U3

25(0.98)

U2

25(0.98)

U3

Weld joint (Code: U1)

4

Code A B C D

22(0.87)

U1

22(0.87)

U1

25(0.98)

U1

8(0.31)
8(0.31)
8(0.31)

8(0.31)
10(0.39)
10(0.39)

35(1.38)

8(0.31)

8(0.31)
10(0.39)

18.5(0.73)

18.5(0.73)

18.5(0.73)

18.5(0.73)

22.5(0.89)

22.5(0.89)

10(0.39)

14.3(0.56)

14.3(0.56)

17.8(0.70)

ØC

ØC

0
–0.1

R1/4(PT1/4)

NPT1/4

R1/4(PT1/4)

NPT1/4

R3/8(PT3/8)

NPT3/8

0.3

0

0

–0.1

ØD

18.5(0.73)

18.5(0.73)

22.5(0.89)

T030301.EPS

• Please be sure to pass the connecting fittings
through the union joint nuts in advance. Then
connect the connecting fitting to the piping by
screwing or welding the connecting fitting to the
piping (see Figure 3.3.1).

• In case of weld joint type, please pay attention
the welding condition to avoid deforming piping
or making the stagnant portion of the fluid;
joint preparation, level defference in butt joint,
welding current.

(3) Positioning the Flow Tube

Install the magnetic flow tube on a mounting base and
position it so that the center axis of the flow tube is
aligned with that of the piping. Then mount the flow
tube to union joint nuts by screwing the nuts to the
connecting ports of the flow tube.

CAUTION

The ceramic pipe will be damaged if they are
tightened when they are not properly aligned.

3-5

IM 1E7D0-01E

3. INSTALLATION

(4) Tightening Nuts

CAUTION

Tighten the union joint nuts according to Torque
Values in Table 3.3.1 using a torque wrench. As
the gasket material is Fluorocarbon PTFE, it is
possible that nuts may loose by it’s character as
time passes. Please tighten the nuts regularly.
The table below shows the tightening torque
values. Be sure to use gasket : t=1.5 attached.

Gasket

Connecting fitting

Union joint nut

Piping*

Mounting base*

*: user's scope

Table 3.3.2

Size: mm(inch) Tightening Torque N-m {kgf-cm} [in-lbf]

2.5(0.1)
5(0.2)

10(0.4)

Max.12{122}[106]
Max.12{122}[106]
Max.18{183}[160]

T030302.EPS

3.3.2 Nominal Diameter 2.5mm (0.1in.) to 40mm (1.5in.) Wafer Type

IMPORTANT

Please use appropriate bolts and nuts according
to process connection. In case stud type of
through bolts are used, be sure outside diameter
of a shank is smaller than a thread ridge’s one.
Please use compressed non-asbestos fiber
gasket, PTFE gasket or the gasket which has
equal elasticity. In case of optional code/FRG,
please use rubber gasket or others which has
equal elasticity. Be sure the inner diameter of
the gasket does not protrude to inner piping.
(Refer to Table 3.3.8)

Horizontal Mounting

(1) Mounting Direction

Please mount the Magnetic Flow Tube matching the
flow direction of the fluid to be measured with the
direction of the arrow mark on the flow tube.

IMPORTANT

If it is impossible to match the direction, please
never remodel by changing direction of the
terminal box. In case the measuring fluid flows
against the arrow direction, please refer to the
section “Reversing Flow Direction” in the Instruc­tion Manual of AE14 Magnetic Flow Converter.

(2) Mounting Centering Devices

To keep concentricity of the Flow Tube with pipes,
please mount centering devices on the Mini-Flanges of
the Flow Tube.

Please give attention to the nominal diameter and
flange ratings of the centering devices.

Vertical Mounting

Figure 3.3.1 Mounting Procedure (Size: 2.5 mm(0.1in.) to

10 mm(0.4in.))

F030301.EPS

3-6

IM 1E7D0-01E