Kobold BGN Specifications

All-Metal Armored Flowmeter and Counter

for Liquids and Gases

●● 316 Stainless Steel, PTFE-Lined Stainless

Steel, and Hastelloy® C-22 Measuring
Tubes

measuring

•

monitoring

•

analyzing

BGN

●● Line Sizes up to 6"

●● Direct Reading Scales Calibrated

for Media Viscosity, Density, Operating
Pressure and Temperature

●● Analog Output, HART

●● Connection: 1/4"...2" NPT, ANSI

®

, and Profibus®-PA

1/2"...6", Others Available

●● Special Versions Available for Process

Temperatures up to 660 °F

●● Special Materials: Monel

®

, Tantalum,

Others on Request

KOBOLD companies worldwide:

ARGENTINA, AUSTRALIA, AUSTRIA, BELGIUM, BULGARIA, CANADA, CHILE, CHINA, COLOMBIA,
CZECH REPUBLIC, EGYPT, FRANCE, GERMANY, HUNGARY, INDIA, INDONESIA, ITALY, MALAYSIA,
MEXICO, NETHERLANDS, PERU, POLAND, REPUBLIC OF KOREA, ROMANIA, SINGAPORE, SPAIN,
SWITZERLAND, TAIWAN, THAILAND, TUNISIA, TURKEY, UNITED KINGDOM, USA, VIETNAM

01/03-18-2019

KOBOLD Instruments, Inc.
1801 Parkway View Drive
Pittsburgh, PA 15205

Main Ofce:

1.800.998.1020

1.412.788.4890
[e-mail]
www.koboldusa.com

All-Metal Armored Flowmeter and Counter Model BGN

Description

The KOBOLD BGN armored variable area flowmeter is ideal for difficult
applications that require high pressure capability, high temperature
operation, or low pressure loss. The BGN's standard design is
available in stainless steel, PTFE-clad stainless steel, or Hastelloy®
C-22. The standard BGN is well suited for water, most viscous
liquids, and compressed gases in line sizes up to 6". The direct
reading scales are calibrated for media viscosity, density, operating
pressure, and temperature. Electronic limit switches and an analog
flow transmitter are available as options and are able to operate via
intrinsically safe methods of protection and may be used in hazardous
areas where intrinsically safe installations are permitted. Custom
designs for high pressure, high temperature, special fittings, and
special materials (such as Monel® and tantalum) are available. Other
options include: self-draining flow bodies, gas or liquid damping, and
a flow counter module.

Technical Details

Sensor

Wetted Materials: 316 L SS / 316-Ti SS,

Hastelloy® C-22/C4, PTFE
Other Materials on Request

Process Connection: ASME B16.5, NPT,
Other Connections on Request

Nominal Pressure: 580 PSIG, ASME Cl150 / 300
(Standard) (BGN-S/H)

230 PSIG, ASME Cl150
(Standard) (BGN-P)

Higher Pressures Upon Request
(Max. 8700 PSIG)

Process Temperature: -40...392 °F
(BGN-S/H without Electr. Output)

-40...300 °F
(BGN-S/H with Electr. Output)

-40...660 °F
(BGN-S/H with Option V / H / W)

-40... 257 °F (BGN-P)

Ambient Temperature: -40...176 °F

Accuracy

Liquid: ± 1.6 % of Full Scale (BGN-S/H)

± 2.0 % of Full Scale (BGN-P)

Gas: ± 1.8 % of Full Scale (BGN-S/H)
± 2.2 % of Full Scale (BGN-P)

Additional Inaccuracy
with Transmitter (ES): ± 0.2 %

Repeatability: ± 0.5 % of Full Scale

Protection: IP 65 (Aluminum Housing)

IP 67 (Stainless Steel Housing)

Certification

Explosion Protection: BVS 03 ATEX H/B 112

CE-Marking: Pressure Equipment Directive

97/23/Eg

2

www.koboldusa.com

Display

Material: Aluminum (Stove-Enameled)

Stainless Steel (as Option)

Electrical Outputs: Inductive Switch,

SJ 3,5-N NAMUR (Standard)*

Inductive Switch,

SJ 3,5-SN NAMUR (Safety
Design)* on Request

Microswitch*

Others on Request

Ambient Temperature: -40...176 °F
(without Limit Switch)

-40...149 °F
(with Limit Switch)

* 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.

Transmitter

• ES with HART®-Protocol

• ES with HART®-Protocol and
2 NAMUR-Switches*

• ES with HART®-Protocol and
1 NAMUR-Switch* / 1 Pulse Output

• ES with Profibus® PA

• ES with HART®-Protocol and Counter Module

• ES with Fieldbus® Foundation™

* Contact can be configured using HART

Power Supply: 14 - 30 V

®

DC

Output: Passive, Galvanically Isolated

Current: 4-20 mA

Binary 1 and 2: Ui = 30 V, Ii = 20 mA, Pi = 100 mW

Input Binary: Counter Reset

(only for ES with Counter Module)

Ambient Temperature: -40...158 °F

Certification

Explosion Protection: DMT 00 ATEX E 075

Type of Protection: II 2G EEx ia IIC T6

CE-Marking: Explosion Protection Directive

94/9/EG

No responsibility taken for errors;

subject to change without prior notice.

All-Metal Armored Flowmeter and Counter Model BGN

Order Details for Low Flow Models: (Example: BGN-S10 201R A 0000 S 1 0 0K)

Low Flow Models

Measuring Ranges: 0.0022...0.022 GPM to 0.0176...0.176 GPM

Model

BGN-..

Measuring Tube

Material

..S10.. = Stainless Steel,

Process Temp.
≤ 660 °F

Connection

5) 11)

..201R

.. = 1/2" Class 150

RF ASME

5) 11)

..221R

.. = 1/2" Class 300

RF ASME

..202R.. = 3/4" Class 150
RF ASME

..222R1).. = 3/4" Class 300
RF ASME

..203R.. = 1" Class 150

Code Water Air

..A..

..B..

..C..

BGN-S10: 0.0022...0.022 GPM

BGN-P10: 0.0031...0.031 GPM

BGN-S10: 0.0044...0.044 GPM

BGN-P10: 0.0053...0.053 GPM

BGN-S10: 0.0071...0.071 GPM

BGN-P10: 0.0088...0.088 GPM

..D5).. 0.011...0.11 GPM 0.044..0.44 SCFM

RF ASME

..223R1).. = 1" Class 300
RF ASME

*Reference Conditions: Water at 68 °F @1 mPas, Air at 68 °F @ 0 PSIG (Range Values for Other Media Upon Request)

..E5).. 0.0176...0.176 GPM 0.077...0.77 SCFM

Measuring Range*

0.008...0.08 SCFM

0.018...0.18 SCFM

0.085...0.282 SCFM

Part

Number

Continued

To

complete

part

number,
please go
directly to

order table
on page 7.

Order Details for DN15 Models: (Example: BGN-S15 201R F 0000 S 1 0 0K)

DN15 Models

Measuring Ranges: 0.022...0.22 GPM to 0.264...2.64 GPM

Model

BGN-..

*Reference Conditions: Water at 68 °F @1 mPas, Air at 68 °F @ 0 PSIG (Range Values for Other Media Upon Request)

1)

Pressure stated for models BGN-S and BGN-H

2)

Damping / spring not available

3)

Only available with forward advanced indicating housing

4)

Not available with heating / cooling

5)

Not for model BGN-P

6)

Not for model BGN-H

7)

Not for model BGN-S

9)

Cannot be converted for other media

10)

IEC 61508-2:2010 conformity confirmed by EXIDA

11)

Reduced rasied face

No responsibility taken for errors;
subject to change without prior notice.

Measuring Tube

Material

..S15.. = Stainless Steel,

Process Temp.
≤ 660 °F

..P15.. = Stainless Steel
Measuring Tube,
PTFE-Lining,
Process Temp.
≤ 257 °F,
Max. Pressure
230 PSIG

..H15.. = Hastelloy® C-22,
Process Temp.
≤ 660 °F

Connection

5) 11)

..201R

..221R

.. = 1/2" Class 150 RF ASME

5) 11)

.. = 1/2" Class 300 RF ASME

..202R.. = 3/4" Class 150 RF ASME

..222R1).. = 3/4" Class 300 RF ASME

..203R.. = 1" Class 150 RF ASME

..223R1).. = 1" Class 300 RF ASME

5) 6)

..6010

..6020

..6030

..6040

.. = 1/4" NPT

5) 6)

.. = 3/8" NPT

5) 6)

.. = 1/2" NPT

5) 6)

.. = 3/4" NPT

www.koboldusa.com

Code Water Air

..F.. 0.022...0.22 GPM 0.088..0.88 SCFM

..G.. 0.031...0.31 GPM 0.118...1.24 SCFM

..H.. 0.044..0.44 GPM 0.176...1.76 SCFM

..I.. 0.071...0.71 GPM 0.294...2.71 SCFM

..J.. 0.11...1.1 GPM 0.412...4.12 SCFM

..K.. 0.176...1.76 GPM 0.589...6.47 SCFM

..L.. 0.264...2.64 GPM 1.0...10.0 SCFM

Measuring Range*

Part

Number

Continued

To

complete

part

number,
please go
directly to

order table
on page 7.

3