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DESCRIPTION
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 flow in the event
of an abnormal drop in inlet or outlet pressure or
an excess flow condition.
Rearming is manual by using the push-button and
depending on models (B6 version only) a valve may
be associated. A removable vent filter 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:
Operating temperature:
INSTALLATION
• 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).
Gas Type
Manufactured gas (n)m
• Butane air
• Propane air
Natural gas (n)m
/h
3
• Group L
• Group H
LP-gas kg/h
• Propane
TYPE B NG REGULATOR
-20 / 60°C
CAUTION
Density
/h
3
1.20
1.15
0.64
0.61
1.56
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 flow direction indicated on the
regulator body.
• Respect the tightening torques by using a
dynamometric wrench (inlet with tight shutoff
5 bar
metal = 40 N•m, others according to O-ring used).
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).
Volume
Pressure
Weight
Setpoint
kg/m
3
1.552
1.487
0.827
0.789
2.017
WARNING
!
Nominal Flow
B6
11
4
11
4
27
6
21
6
37
7.2
B10
7
7
10
10
12
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