BLS 3000 Série Mode D'emploi page 3

FULL FACE MASKS [EN]
INFORMATIONS SUPPLIED BY THE MANUFECTURER: USER LEAFLET
INSTRUCTIONS FOR USE AND MAINTENANCE OF BLS FULL FACE MASKS.
PREFACE These instructions refer to the BLS series of full face masks: BLS
5150 BLS 5400, BLS 5250 BLS 5500, 3150, 3150V 3400, BLS 5600 BLS 5700.
The BLS full face masks must be used and maintained in accordance with the
following instructions as far as the use, the limitations and the maintenance are
concerned. Incorrect use, use of unsuitable spare parts or bad maintenance
is dangerous for health and safety and invalidates the guarantee exonerating
the manufacturer from all liability. It has to be stressed that personal protective
equipments for respiratory protection must always be used by specially trained
people, supervised by a person perfectly aware of the limits of application of those
devices and of the laws that are in being in the Country concerned. Warning If you
lose this leaflet or if you require further copies, please contact the address below
and quote this code number: ISU 031_01.The product has been examined at the
design stage by Italcert, Milano – Italia (0426). These full face masks have shown
to meet the health and safety certification requirements European Regulation
425/2016. The BLS full face masks are CE marked and have been tested
according to the EN 136:1998 standard's requirements. BLS Srl Via Morghen,
20 – 20158 Milano – Italy Tel +39 02.39310212 Fax +39 02.66200473
e-mail: info@blsgroup.com www.blsgroup.com
1 – GENERAL
1.1 Description BLS manufacture the following models of full face masks
Model Class Filters used
BLS 5150 3 1 filter EN 148-1 threaded
BLS 5400
3 1 filter EN 148-1 threaded
BLS 5250
2 2 filters TP2000 threaded
BLS 5500 2 2 filters TP2000 threaded
3150 2 1 filter EN 148-1 threaded
3150V 2 1 filter EN 148-1 threaded
3400 2 1 filter EN 148-1 threaded
BLS 5600 2 Special bayonet
BLS 5700 2 Special bayonet
The full face masks of BLS 5000 series with the EN 148-1 connection are
classified according to the EN 136:1998 standard into class 3 (full face mask for
special use) and are composed by:
§ External face seal Synthetic rubber (BLS 5150), silicone (BLS 5400)
§ Extra wide panoramic visor moulded in polycarbonate
§ Frontal component which is a support for the exhalation valve with its holder
§ Inner mask to reduce dead space moulded in silicone provided with two air
circulation valves which prevent the visor from the steaming up and towards the
formation of an excessive carbon dioxide level in the exhaled air
§ Head harness with six straps, moulded in synthetic rubber with quick fastening
buckles
§ collar for wearing the mask around the neck during the breaks (only for BLS
5400 model)
The full face masks of BLS 5000 series with two filters BLS 300 are classified
according to the EN 136:1998 standard into class 2 (full face mask for general
use) and are composed by:
§ External face seal Synthetic rubber (BLS 5250), silicone (BLS 5500)
§ Extra wide panoramic visor moulded in polycarbonate
§ Frontal component which is a support for the exhalation valve
§ Two lateral filter holders with special BLS 300 filters connection
§ Inner mask to reduce dead space moulded in silicone provided with two air
circulation valves which prevent the visor from the steaming up and towards the
formation of an excessive carbon dioxide level in the exhaled air
§ Head harness with six straps, moulded in synthetic rubber with quick fastening
buckles
§ collar for wearing the mask around the neck during the breaks (only for BLS
5500 model)
The full face masks of 3000 series with the EN 148-1 connection are classified
according to the EN 136:1998 standard into class 2 (full face mask for general
use) and are composed by:
§ Face seal Natural rubber (3150, 3150V), silicone rubber (3400)
§ Extra wide panoramic visor moulded in polycarbonate (3150, 3400) or glass
(3150V)
§ Frontal component which is a support for the exhalation valve
§ Inner mask to reduce dead space moulded in silicone provided with two air
circulation valves which prevent the visor from the steaming up and towards the
formation of an excessive carbon dioxide level in the exhaled air
§ Head harness, moulded in rubber with quick fastening buckles
§ The full face masks of BLS 5000 series with the bayonet connection are
classified according to the EN 136:1998 standard into class 2 (full face mask
for general use) and are composed by:
§ External face seal Synthetic rubber (BLS 5600), silicone (BLS 5700)
§ Extra wide panoramic visor moulded in polycarbonate
§ Frontal component which is a support for the exhalation valve
§
§ Two lateral filter holders with special bayonet connection
§ Inner mask to reduce dead space moulded in silicone provided with two air
circulation valves which prevent the visor from the steaming up and towards the
formation of an excessive carbon dioxide level in the exhaled air
§ Head harness with six straps, moulded in synthetic rubber with quick fastening
buckles
The one size full face masks are designed to achieve a perfect seal with no
vexatious pressures on the most of the face shapes.
1.2 Drawing and components list See the expanded drawing of the BLS masks
reported on last page. Component list: See Table1
1.3 Applications The full face masks of this series can be used in conditions
that require protection for both eyes and respiration. They are particularly
Face seal material
recommended for toxic and/or hazardous substances. The full face mask BLS
Synthetic rubber
may be used with gas, particle and combined filters. For a correct use and choice
Silicone Rubber
of the gas filters see the provided instruction leaflet.
Synthetic rubber 1.4 Selection of breathing protector equipped with filter To select this kind
of personal protective devices it is necessary to consider the following indicators:
Silicone Rubber
NPF (nominal protection factor) is the value came from the maximum percentage
of total inward leakage allowed by the relevant European standard (NPF = 100/ %
Natural Rubber
(polycarbonate Visor)
maximum total inward leakage admitted). APF (assigned protection factor) is the
level of respiratory protection that can realistically be expected to be achieved by
correctly fitted respirator (it is different for each State). TLV (threshold limit value) is
Natural Rubber
a concentration threshold - generally expressed in parts per million, ppm – for the
(glass visor)
safety of the people exposed to dangerous substances. The APF multiplied by the
TLV of the substance gives the concentration of pollutants to which an operator can
Silicone Rubber
(polycarbonate visor) be exposed wearing a specific device. For the selection and maintenance of the
filtering devices and for the definition and use of APF and NPF also refers to the
Rubber
European Standard EN 529 and to the relevant national regulations.
Silicone
APF summarizing table
Type of
protective
device
Full face mask
with particle
filter P1
Full face mask
with particle
filter P2
Full face mask
with particle
filter P3
Full face
mask with gas
filters *
Blower TM1
Blower TM2
Blower TM3
Device with
combined filter
3
APF
NPF
I FIN D S UK
Not advisable as the high penetration
through the filter increases the Total
Inward Leakage. Not suitable for
5 4 4 4 4 4
liquid aerosols, carcinogenic and
radioactive matter, Micro-organism
Not suitable for protection against
radioactive substances micro-
16 15 15 15 15 15
organisms and active biochemical
1000 400 500 400 500 40
Gas filters A, B, E, K, AX, SX, HgP3,
NOP3 for various applications. For
2000 400 500 400 500 20
further information see the BLS filters
20 10 10 10 10 10
200 100 100 100 100 20
2000 400 1000 500 1000 40
The specified multiples of threshold value for the gas or particle filters are given
separately, but in all cases the lowest value applies
Remarks, limitations
and biochemical agents.
agents.
user's information's.