Heinrichs BGF User manual

Variable-Area Flowmeter

for Horizontal and Vertical Installation

BGF

Installation and Operating Instructions

Heinrichs Messtechnik BGF Installation and Operating Instructions

Contents

1Identification.........................................................................................................................................4

1.1 Supplier/manufacturer ..........................................................................................................................................................4

1.2 Product type..........................................................................................................................................................................4

1.3 Product name........................................................................................................................................................................4

1.4 Issue date .............................................................................................................................................................................4

1.5 Version no.............................................................................................................................................................................4

2Applications..........................................................................................................................................4

3Operational mode and system design ...............................................................................................4

3.1 Measuring principle...............................................................................................................................................................4

3.2 System design ......................................................................................................................................................................4

4Input.......................................................................................................................................................4

4.1 Measured variable ................................................................................................................................................................4

4.2 Measuring range (lower-range and upper-range value).......................................................................................................4

4.3 Measuring range table..........................................................................................................................................................5

5Output (electrical equipment, options) ..............................................................................................5

5.1 output.........................................................................................................................................................................5Binary

5.1.1 KEI 1 or KEI 2 limit transducers .......................................................................................................................................5

5.2 Analog output with the ES magneto-electric transmitter.......................................................................................................5

.1.2 KEM 1 or KEM 2 limit transducers (special version)........................................................................................................5

5.3 ES with PROFIBUS PA output .............................................................................................................................................5

5.4 Analog output with the KINAX 3W2 angle-of-rotation transmitter.........................................................................................6

6haracteristic values ...........................................................................................................................6C

6.1 ...............................................................................................................................................................................6Accuracy

6.1.1 Reference conditions........................................................................................................................................................6

6.1.2 Measured error.................................................................................................................................................................6

6.2 Influence of ambient temperature.........................................................................................................................................6

.1.3 Repeatability.....................................................................................................................................................................6

6.3 Influence of ambient temperature.........................................................................................................................................6

7Conditions of use.................................................................................................................................6

7.1 ...........................................................................................................................................................6Installation conditions

7.1.1 Mounting/start-up .............................................................................................................................................................7

7.1.2 Device settings.................................................................................................................................................................7

7.1.3 Adjusting the limit transducer...........................................................................................................................................7

7.2 ...............................................................................................................................................................8

.1.4 Operation in hazardous areas..........................................................................................................................................8

Ambient conditions

7.2.1 Ambient temperature ranges............................................................................................................................................8

7.2.2 Storage temperature ........................................................................................................................................................8

7.2.3 Climatic category..............................................................................................................................................................8

7.2.4 Degree of protection.........................................................................................................................................................8

7.2.5 Shock resistance/vibration resistance..............................................................................................................................8

7.3 .....................................................................................................................................................................9

.2.6 Electromagnetic compatibility...........................................................................................................................................8

Fluid conditions

7.3.1 Fluid temperature ranges.................................................................................................................................................9

7.3.2 D iagrams: Max. ambient temperature based on the fluid temperature for the ES..........................................................9

7.3.3 Fluid pressure limit.........................................................................................................................................................10

7.3.4 Inlet and outlet sections..................................................................................................................................................10

7.3.5 Physical state.................................................................................................................................................................10

7.3.6 Density ...........................................................................................................................................................................10

7.3.7 Pressure (for gas measurement)....................................................................................................................................10

8Construction details...........................................................................................................................11

8.1 ype of construction/dimensions ........................................................................................................................................11T

8.1.1 Aluminum indicator housing...........................................................................................................................................11

8.1.2 Dimension drawing for heating connection ....................................................................................................................11

8.2 Weight.................................................................................................................................................................................12

.1.3 Indicator housing made of stainless steel ......................................................................................................................12

8.3 Flange connections for the measuring element..................................................................................................................12

8.4 Connections for heating jacket ...........................................................................................................................................12

8.5 Magnetic filter......................................................................................................................................................................13

8.6 Material...............................................................................................................................................................................13

9Electrical connection .........................................................................................................................14

9.1 Wiring diagram for ES transmitter.......................................................................................................................................14

9.2 Wiring diagram for ES transmitter with 4-20 mA output and 2 limit transducers ................................................................14

9.3 Wiring diagram for ES transmitter with 4- 20 mA output, pulse output and limit transducer...............................................15

9.4 Wiring diagram for inductive limit transducers....................................................................................................................15

9.5 Wiring diagram for KINAX 3W2 transmitter with 4-20 mA output, 2 wires..........................................................................16

9.6 Wiring diagram for KINAX 3W2 transmitter with 4-20 mA output, 3 wires..........................................................................16

9.7 Wiring diagram for KINAX 3W2 transmitter with 4-20 mA output, 4 wires..........................................................................17

9.8 Wiring diagram for KEM 1 and KEM 2 double-throw microswitches ..................................................................................17

10 Indicator unit.......................................................................................................................................18

11 Auxiliary power...................................................................................................................................18

12 CE mark...............................................................................................................................................18

13 Order information...............................................................................................................................18

13.1 Available accessories .........................................................................................................................................................18

Page 2 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

14 Standards and directives, certificates and approvals....................................................................18

15 Safety instructions.............................................................................................................................18

15.1 Intended use.......................................................................................................................................................................18

15.2 Installation, start-up and operating personnel.....................................................................................................................18

16 Packaging, mounting and shipment.................................................................................................18

17 Maintenance........................................................................................................................................18

18 Installing and removing the resetting spring and the measuring body .......................................19

19 Trouble shooting................................................................................................................................19

20 Returning devices for repair and service ........................................................................................19

21 Replacement parts .............................................................................................................................19

22 Exploded views...................................................................................................................................20

22.1 F tting with measuring body................................................................................................................................................20i

22.1.1 BGF-.... standard version DN 15-25 .........................................................................................................................20

22.1.2 BGF-.... standard version DN 50-80 .........................................................................................................................20

22.2 I dicator unit .......................................................................................................................................................................21n

22.2.1 Complete indicator unit, local with scale....................................................................................................................21

22.2.2 Complete indicator unit with 1 SJ 3,5 N limit transducer ...........................................................................................21

22.2.3 Complete indicator unit with 2 SJ 3,5 N limit transducers..........................................................................................21

22.2.4 Complete indicator unit with E2 KINAX Ex transmitter ..............................................................................................22

22.2.5 Complete indicator unit with E2 KINAX Ex transmitter and 1 SJ 3,5 N limit transducer............................................22

22.2.6 Indicator unit with transmitter type ES Ex HART®....................................................................................................22

23 Decontamination certificate for device cleaning ............................................................................23

24 EC Type Examination Certificate......................................................................................................24

25 Sales representatives ........................................................................................................................29

26 Notes....................................................................................................................................................29

Page 3 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

Introduction

These Installation and Operating Instructions serve as a tool

for the correct installation, operation and maintenance of the

device. They are a supplement to the BGF Device

Description. Read the manual carefully before the device is

installed and put into use. It does not include special

versions or applications.

All devices are thoroughly checked for order compliance and

operability before delivery. Upon receipt, please conduct a

visual inspection of possible damage that may be identified

as having occurred during shipment. If you discover any

defect, please contact our head office in Cologne or the local

sales office responsible for your area (see the telephone

directory at the end of this manual or on our Web site).

Apart from a description of the error, we will need the

equipment type and serial number of the delivery.

Heinrichs Messtechnik shall not furnish guarantee for any

repair work done without prior notice. Unless otherwise

agreed on, the rejected parts must be made available to us

in case a claim is made.

1 Identification

1.1 Supplier/manufacturer

Heinrichs Messtechnik GmbH

Robert-Perthel-Str. 9 ⋅D-50739 Köln

Phone +49 (221) 49708 - 0

Fax +49 (221) 49708 - 92

Internet: http://www.heinrichs-mt.com/

E-mail: mailto:[email protected]

1.2 Product type

Mechanical flowmeter in all-metal design

1.3 Product name

BGF with subgroups

BGF-S (stainless steel)

BGF-P (PTFE)

1.4 Issue date

28/10/2003

1.5 Version no.

4.0

File: BGF_BA_04_eng.doc

2 Applications

The BGF meter is suitable for flow measurement of liquid or

gaseous products in pipes. The special advantage is that

it can be used for all directions of flow. It shows the

current flow rate in volume or mass per unit in time.

Applications: flow measurement, dosing, monitoring,

adjusting and control of liquid and gaseous products.

The meter’s design makes it ideal for processes under

difficult and adverse operating conditions.

The devices are available with additional electrical

equipment for process monitoring and control.

3 Operational mode and system

design

3.1 Measuring principle

The measuring element consists of a sharp-edged

measuring ring and a conical measuring body with a

compression spring.

If a medium flows with sufficient velocity through the

measuring ring, the position of the measuring body will shift

until the flow force and the measuring body plus the spring

tension establish equilibrium.

The position of the measuring body in the measuring ring

serves as the measure of the flow and is converted to a

rotary motion by the permanent magnet embedded in the

measuring body through a magnetic tracking system. It is

then transmitted to the scale and the additional electrical

equipment.

3.2 System design

The meter consists of a cylindrical fitting pipe with flange

connections on both sides, a measuring ring firmly inserted

in it and a vertically movable, conical measuring body.

The position of the measuring body resulting from the flow

rate is converted to a rotary motion on the pointer axis of the

analog indicator unit by the built-in permanent magnet

through the magnetic tracking system.

1 Fitting

2 Spring guide

3 Measuring ring

4 Measuring body

5 Magnet tracking system

6 Scale

7 Indicator unit

4 Input

4.1 Measured variable

Volume flow

4.2 Measuring range (lower-range and upper-range

value)

Lower-range value 10% of lower-range value

Upper range value 100% of upper-range value

Measuring range span 10-100%

Smallest measuring range 16-160 l/h water

Largest measuring range 6000-60000 l/h water (standard

version 1.4571)

Page 4 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

4.3 Measuring range table

Measuring range table

Nominal

size (DN) Measuring

range Measuring range for

water at 1000 kg/m3 Measuring range for air

at 1.013 bars absolute

pressure

Pressure loss

(mbar) Remarks

15 I 16 – 160 I/h 0.5 – 4.6 m3/h 110 1)

J 25 – 250 I/h 0.7 – 7.0 m3/h 110 1)

K 40 – 400 I/h 1.0 – 11 m3/h 110 1)

L 60 – 600 I/h 1.7 – 17 m3/h 120 1)

25 I 16 – 160 I/h 0.5 – 4.6 m3/h 110 1)

J 25 – 250 I/h 0.7 – 7.0 m3/h 110 1)

K 40 – 400 I/h 1.0 – 11 m3/h 110 1)

L 60 – 600 I/h 1.7 – 17 m3/h 120 1)

M 100 – 1000 I/h 3 – 30 m3/h 90 1)

N 160 – 1600 I/h 4 – 46 m3/h 105 1)

P 250 – 2500 I/h 7 – 70 m3/h 130 1)

Q 400 – 4000 I/h 11 – 110 m3/h 240 1)

40 P 250 – 2500 I/h 7 – 70 m3/h 75 1)

Special Q 400 – 4000 I/h 11 – 110 m3/h 110 1)

version R 600 – 6000 I/h 17 – 170 m3/h 130 1)

50 Q 400 – 4000 I/h 11 – 110 m3/h 100 1)

R 600 – 6000 I/h 17 – 170 m3/h 110 1)

S 1000 –

10000 I/h 29 – 290 m3/h 120 1)

T 1600 –16000 I/h 46 – 460 m3/h 130 1)

U 2500 –

25000 I/h 70 – 700 m3/h 200 1)

80 T 1600 –

16000 I/h 46 – 460 m3/h 110 1)

U 2500 –

25000 I/h 70 – 700 m3/h 130 1)

V 4000 –

40000 I/h 110 – 1100 m3/h 200 1)

1) with PP/PTFE magnet holder

5 Output (electrical equipment,

options)

5.1 Binary output

Using the segments of the slot-type initiators or the eccentric

discs of the microswitches, any switching point between 10%

and 90% of the flow rate can be set.

5.1.1 KEI 1 or KEI 2 limit transducers

1 or 2 limit transducers

type SJ 3,5N, make Pepperl+Fuchs

(special switch possible, e.g. SN version)

Safety class: PTB Nr. 99 ATEX 2219 X

PTB Nr. 00 ATEX 2048 X

5.1.2 KEM 1 or KEM 2 limit transducers (special

version)

Double-throw microswitches whose switching point is

activated by a cam plate.

KEM 1 = 1 Double-throw microswitch

KEM 2 = 2 Double-throw microswitches

Maximum switching capacity:

230 VAC 50/60Hz 6 A

24 VDC 0.5 A

110 VDC 0.2 A

5.2 Analog output with the ES magneto-electric

transmitter

The magneto-electric transmitter is factory-calibrated to the

scale values upon shipment. The signal output is supplied

exclusively in a two-wire connection at 4-20 mA. The 4-20

mA signal has the HART®protocol.

Additional options: 2 limit values, alternatively 1 limit value

and 1 pulse output

The signal output and the limit values can be configured

using a HART®modem operating on the following

configuration programs: SensorPort from Bopp & Reuther,

PDM from Siemens or AMS from Rosemount. Furthermore,

a HART®hand-held terminal (with DD software) can also be

used. For more information about configuration, please refer

to the separate Operating Instructions for the ES.

Safety class: DMT 00 ATEX 075 / II2G EEx ia IIC T6

When installing electrical equipment in hazardous areas,

the conditions and provisions specified in the approval

documents must be followed.

5.3 ES with PROFIBUS PA output

The ES transmitter is available in the PROFIBUS PA version

under the ES-PPA type designation. For operation details,

see the separate ES-PPA Operating Instructions.

Page 5 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

5.4 Analog output with the KINAX 3W2 angle-of-

rotation transmitter

The signal output of the angle-of-rotation transmitter is

factory-calibrated to the scale values. The signal output is 4-

20 mA in 2-wire connection; or alternatively 0-20 mA in 4- or

3-wire connection. The signal output of 4 mA corresponds to

the flow rate scale value of 0 (0 mA for the 0-20 mA version).

5.6 mA corresponds to 10% of the flow rate scale value

(2 mA). 20 mA corresponds to 100% of the flow rate scale

value.

Use in hazardous areas:

The angle-of-rotation transmitter is a component approved

for hazardous areas. When used in hazardous areas, all the

values and instructions indicated in the certificate of approval

must be observed. Auxiliary power is fed through an

approved intrinsically safe circuit of 12-30 V. To prove

intrinsic safety, only authorized electrical equipment may be

interconnected. Please take note of the maximum

permissible ambient temperature of 60°C/75°C for the

transmitter and the process temperature.

Safety class:

PTB 97 ATEX 2271 / II 2G EEx ia IIC T6

6 Characteristic values

6.1 Accuracy

6.1.1 Reference conditions

Water 20°C

6.1.2 Measured error

BGF-S/P +/-2.0 % of URV for local display

(URV = upper-range value)

Additional inaccuracy for:

ES = +/- 0.2%

KINAX 3W2 = +/- 0.5%

6.1.3 Repeatability

+/-0.8 % of URV

6.2 Influence of ambient temperature

1. Without electrical equipment and with limit transducer

without influence

2. With KINAX 3W2 transmitter:

+/- 0.2 % / 10 K reference temperature 23°C

3. With ES transmitter:

+/- 0.5 % / 10 K reference temperature 22°C

6.3 Influence of fluid temperature

Deviations in fluid temperature from the temperature

observed during calibration can result in a proportional

display fault because of the corresponding change in

density. Changes in viscosity cause a non-linear display

fault..

7 Conditions of use

The VDI/VDE guidelines 3513, Sheet 3, must be observed.

The meter is suitable for:

1) Liquids with sufficient flow ability that are free of

solids, do not bond and do not tend to settle.

2) Gases with linear flow behavior and an adequate

inlet pressure.

Viscosity factors will not be considered by the system.

7.1 Installation conditions

Vertical or horizontal installation, according to the direction of

flow specified in the order.

When mounting the device in the horizontal position, make

sure the indicator unit is not pointing upwards. This is to

prevent water lodging on the glass window and entering the

device under the protective shroud of the housing.

The limit values for temperature and air humidity at the

mounting location must be maintained. Avoid corrosive

atmospheres. If this cannot be avoided, ventilation must be

installed.

Please make sure that there is adequate clearance from

parts that might cause magnetic interferences such as

solenoid valves and ferromagnetic components like steel

brackets/supports. We recommend that the minimum lateral

distance between two adjacently mounted devices be

300 mm. The devices can be mounted close together if

vertically offset by one device length. The minimum lateral

clearance for interfering steel parts should be 200 mm. In

case of doubt, check the interference by moving the device

back and forth in the selected distance by about 200 mm

and testing whether the pointer position changes.

Select the mounting location so as to enable a reliable

reading of the scale values. Please take note as well of the

space requirement for any possible disassembly of the

device. As a rule, inlet and outlet sections in front of and

Page 6 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

behind the device are unnecessary if the medium has a

linear flow profile. Avoid mounting accessories converging

on one side in front of the device. However, if this is

indispensable maintain a minimum device length of 250 mm

as an inlet section.

The nominal size of the pipes to be connected must

correspond to that of the meter. Avoid fittings converging on

one side directly in front of the device. As a rule, install

valves behind the measuring equipment if there are gases

involved.

7.1.1 Mounting/start-up

Before installation check whether the measuring element is

free from foreign bodies. The instrument must be mounted

vertically or horizontally according the planned and

confirmed direction of flow.

The nominal size of the device and that of the pipes must be

the same. The pressure stages and, hence, the dimensions

of the flanges must coincide. The surface roughness of the

flange sealing surface must be suitable for the prescribed

gaskets.

Please check whether possible accessories like spring

stops, gas/viscous-type damping sets are still correctly sitting

on the flange. Check whether the mounting clearance

between the flanges of the pipes corresponds to the

assembly dimension of the device plus two gaskets. To

achieve stress-free mounting, the flanges of the pipes must

be aligned parallel to each other.

Use connecting bolts and gaskets in the prescribed

dimensions. The gaskets must be suitable for the operating

pressure, the temperature and the measured medium. With

PTFE-coated devices, use gaskets whose interior and

exterior diameter correspond to the sealing strip of the

device.

Tighten the screws crosswise so that the process

connections are tight. See to the tightening torques of

screws especially with PTFE-coated devices.

The maximum torques for PTFE-coated devices are:

DN15/DN25 = 14 Nm/DN50 = 25 Nm/DN80 = 35 Nm/DN100

= 42 Nm (following VDI/VDE Guideline 3513).

Please check whether the pipe is adequately stable so that

vibration or swinging of the device is out of the question. (Do

not use steel mounting parts on the device.)

When gas is used as the medium, pay special attention to

the position of the valve. If the device is calibrated to more

than 1.013 bars absolute pressure, the valve is usually

installed behind the flowmeter. At 1.013 bars absolute

pressure (free exhaust) install it in front of the device.

If there is risk of dirt or solid matter penetrating the process

pipes, flush them beforehand so that these materials do not

get caught in the device. Ferromagnetic solid matter such

as spatter can lead to the breakdown of the device. If these

materials are still present during normal operating

conditions, mount a magnetic filter (accessory) in front of the

device. When using liquids, flush to avoid a surge of gas

bubbles. Slowly increase the supply pressure when using

gases to prevent pressure surges. Basically, avoid

activation using solenoid valves to prevent the measuring

body from shooting upwards.

7.1.1.1 Gas measurement

When using gases, slowly let the operating pressure rise. At

the same time, vary the operating pressure through a setting

valve so that the measuring body is not knocked around

since otherwise this would damage the measuring element.

7.1.2 Device settings

The measuring equipment is delivered ready for operation

according to your order specifications. The limit

transducers are set to the desired values. If you have

submitted no requirements, the basic setting for

1 contact device: - Minimum contact switching point at 10%

of descending flow (damped/closed-circuit principle).

2 contact devices: Minimum contact switching point at 10%

of descending flow and maximum contact switching point at

90% of ascending flow.

7.1.3 Adjusting the limit transducer

The contacts are adjustable through the contact position

indicators located on the scale. Dismantle the indicator

cover, unfasten the contact position indicators, set to the

desired value and reattach them.

Page 7 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

7.1.4 Operation in hazardous areas

7.1.4.1 Without electrical equipment

The basic version of the flowmeter is a non-electrical device

without its own ignition sources and meets DIN EN 13463-1

requirements. It can be used in hazardous areas that

require Category 2 equipment.

Marking: II 2GD c

Tech. File Ref. 03-02 X

Since the device does not have its own power sources that

would result in a temperature increase, the fluid temperature

is decisive for the maximum surface temperature.

When used in potentially explosive dust atmospheres, the

device must be cleaned regularly in order to avoid deposits

exceeding 5 mm.

7.1.4.2 With built-in electrical limit transducers

When the limit transducers are installed, the device becomes

an electrical assembly and receives a marking in accordance

with DIN EN 50014 from the entire device with the built-in

electrical limit transducers.

The electrical and thermal data and the special conditions of

the EC Type Examination Certificate of the built-in limit

transducers must be observed (see also the diagram in

Section 7.3.2).

The influence of the fluid temperature on the built-in limit

transducers must be observed. The overtemperature of the

maximum fluid temperature based on the maximum ambient

temperature must be considered with a factor according to

the following table:

Nominal size Factor for

standard

version

Factor for the

device with the

indicator pulled

forward

DN15 and DN25 0.2 0.07

DN40 and DN50 0.25 0.085

DN80 and DN100 0.3 0.1

Example for built-in limit transducer for

DN 15 and DN 25:

Max. ambient temperature Tamb = 40°C

Max. fluid temperature Tm= 120°C

Factor for brought-in heat F = 0.2

Temperature class T4

Tü= Overtemperature

Ta= Ambient temperature of

limit transducer

CCCTambFTüTa

CCCTambTmTü

°=°+°=+=

°=°−°=−=

56402,0*80*

8040120

In accordance with the tables in the

PTB 99 ATEX 2219 X EC Type Examination Certificate, the

SJ 3,5-... N... inductive sensor must be operated in the

T5 temperature class with an intrinsically safe circuit that

does not exceed the maximum values of the Type 3 circuit.

When using the device in hazardous areas, follow the

applicable national installation rules.

Example for calculating the max. fluid temperature based on

the max. ambient temperature for the built-in sensor Type

ES for DN 15/25.

Ta= 70°C

Tamb = 60°C

F = 0,2

Tamb

TambTa

Tm °=°+

⎟

⎠

⎞

⎜

⎝

⎛°−°

⎟

⎠

⎞

⎜

⎝

⎛−

=11060

2,0 6070

7.1.4.2.1 Marking for the device when the

SJ 3,5...N... limit transducer is built in

PTB 99 ATEX 2219 X

II 2G EEx ia IIC T6-T4

7.1.4.2.2 Marking for the device when the

ES magneto-electric transmitter is built in

DMT 00 ATEX 075

II2G EEx ia IIC T6

7.1.4.2.3 Marking for the device when the

KINAX 3W2 angle-of-rotation transmitter is

built in

PTB 97 ATEX 2271

II 2G EEx ia IIC T6

7.2 Ambient conditions

7.2.1 Ambient temperature ranges

Without electrical accessories:

-40°C to +80°C

With limit transducer:

-40 °C to +65°C

With KINAX signal output:

-40°C to +60°C

With ES signal output:

-40°C to +70°C

For the hazardous area version, take note of the maximum

ambient temperatures depending on the temperature class

as specified in the Type Examination Certificate.

7.2.2 Storage temperature

The storage temperatures are identical to the ambient

temperature ranges.

7.2.3 Climatic category

Weather-protected and/or unheated locations,

class C according to IEC 654 Part 1

7.2.4 Degree of protection

IP 65

7.2.5 Shock resistance/vibration resistance

The meter should be protected from extreme shocks and

vibrations, which could cause damage.

7.2.6 Electromagnetic compatibility

EN 61000-6-2:1999 Immunity industrial environment

EN 50081-1 Emitted interference residential environment

EN 55011:1998+A1:1999 Group 1, Class B

NAMUR recommendation NE 21

Page 8 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

7.3 Fluid conditions

7.3.1 Fluid temperature ranges

Type Fluid temperature

BGF-S*****S* -40°C to 350°C

BGF-S*****P* -20°C to 125°C

BGF-S*****K* -0°C to 80°C

BGF-P*****P* -20°C to 125°C

BGF-P*****K* -0°C to 80°C

The effect of the fluid temperature on the indicator unit and

its built-in components must be considered. A pulled-

forward indicator unit is necessary if the fluid temperature

rises above 200°C.

7.3.2 D iagrams: Max. ambient temperature based on the fluid temperature for the ES

Standard version

20,0

30,0

40,0

50,0

60,0

70,0

70 80 90 100 110 120 130 140 150 160 170 180 190 200

Fluid temperature [°C]

Max. ambient temperature [°C]

DN15/25 DN40/50 DN80/100

Indicator pulled forward

55,0

60,0

65,0

70,0

70 80 90 100 110 120 130 140 150 160 170 180 190 200

Fluid temperature [°C]

Max. ambient temperature [°C]

DN15/25 DN40/50 DN80/100

Page 9 of 29

Heinrichs Messtechnik BGF Installation and Operating Instructions

7.3.3 Fluid pressure limit

Standard version: BGF-S DN 15/25/40/50/80 PN 40

BGF-P DN 15/25/50/80 PN 16

Special version: BGF-S up to PN 400

7.3.4 Inlet and outlet sections

Inlet and outlet sections are not required for a linear flow

profile of the fluid. For an extremely non-linear flow profile

(e.g. shut-off/control valves are located in front of the meter),

we recommend an inlet section with a mounting length of

250 mm (see also guidelines in accordance with

VDI/VDE 3513).

7.3.5 Physical state

Liquid or gaseous

7.3.6 Density

Liquids: up to 2.0 kg/l

Gases: no restrictions

7.3.7 Pressure (for gas measurement)

The measured values only apply to the calibrated fluid data

stated on the scale. Any change or deviation in pressure

causes a display fault in gases. Viscosity factors cannot be

considered by the system.

Pressure loss: Depends on the device size and the

measuring range (see Measuring range table).

Page 10 of 29

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