Emerson Fisher Type B NG User manual

Conform PED art 3.3

Conforme DESP art 3.3

Type B NG

Appuyez sur

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pour mise en

service

Instruction Manual

D103697X012

June 2019

/Rok

Patnáctka

The Type B NG is a two-stage pressure reducing

regulator with an automatic safety device to

avoid outlet over-pressure (relief valve venting to

atmosphere) or stopping the gas ow in the event

of an abnormal drop in inlet or outlet pressure or

an excess ow condition.

Rearming is manual by using the push-button and

depending on models (B6 version only) a valve may

be associated. A removable vent lter is situated

in the inlet connection, and a vent screen (see

schematic, item V).

The underground model is treated for anti-corrosion

and is painted.

Maximum allowable pressure: 5 bar

Operating temperature: -20 / 60°C

INSTALLATION

CAUTION

• To be used with clean, dry and non-corrosive gas.

• All regulators, except for underground version,

must be protected from direct contact of water

and corrosive atmosphere due to construction

materials base with zinc, copper and aluminium

(cabinet installation recommended).

• Recommended installation positions : inlet and/

or outlet in vertical position.

• To avoid: vent facing upwards, without protector

or connector, in humid conditions (risk of water

penetration due to rain or condensation).

TYPE B NG REGULATOR

DESCRIPTION

Before connecting :

• Do not weld the inlet and outlet connections with

the regulator in place.

• Remove the protective capsules from the inlet

and outlet connections.

• Ensure that the pipeline is perfectly clean.

• Place the O-ring(s), (according to model)

greasing is recommended.

Connection

• Respect the gas ow direction indicated on the

regulator body.

• Respect the tightening torques by using a

dynamometric wrench (inlet with tight shuto󰀨

metal = 40 N•m, others according to O-ring used).

WARNING

Do not re-orientate the regulator after tightening

connections, under no circumstances should

the regulator be put under any geometrical or

dimensional consecutive force between inlet

and outlet sides.

When connecting the vent (residential areas,

underground) the diameter used should not be

inferior to 10 mm and should not be obstructed.

COMMISSIONING OR REARMING 1

Close the downstream valve (if existent). Open the

upstream valve. Press on the green button for a

few seconds, then release. Open the downstream

valve (if existent).

Gas Type Density

Volume

Weight

kg/m3

Pressure

Setpoint

Nominal Flow

B6 B10

Manufactured gas (n)m3/h

• Butane air

• Propane air

1.20

1.15

1.552

1.487

Natural gas (n)m3/h

• Group L

• Group H

0.64

0.61

0.827

0.789

LP-gas kg/h

• Propane 1.56 2.017 37 7.2 12

Type B NG

Americas

McKinney, Texas 75070 USA

T +1 800 558 5853

+1 972 548 3574

Europe

Bologna 40013, Italy

T +39 051 419 0611

Asia Pacic

Singapore 128461, Singapore

T +65 6777 8211

Middle East and Africa

Dubai, United Arab Emirates

T +971 4 811 8100

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of their prospective owners. Fisher™ is a mark owned by Fisher Controls International LLC, a business of

Emerson Automation Solutions.

The contents of this publication are presented for informational purposes only, and while every e󰀨ort has been

made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied,

regarding the products or services described herein or their use or applicability. All sales are governed by our

terms and conditions, which are available upon request. We reserve the right to modify or improve the designs

or specications of such products at any time without notice.

Emerson Process Management Regulator Technologies, Inc does not assume responsibility for the selection,

use or maintenance of any product. Responsibility for proper selection, use and maintenance of any

Emerson Process Management Regulator Technologies, Inc. product remains solely with the purchaser.

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