Sfera - Full face mask

SFERA™

Newly designed, extra wide view full face mask complying to European norms EN 136. One size fits all. For use with dust, gas and combined filters with a threaded connector conforming to EN 148/1 and an overpressure version for use with compressed air supply devices.
All versions are available in EPDM and silicone rubber.

  

MAIN COMPONENTS

  • EPDM or silicone rubber facepiece with adjustable fasteners for the attachment of the harness.
  • The full face visor, which is completely distorsion free, allows for very extensive vision and is treated with an antiscratch and chemical proof coating.
  • The visor frame, which is made of reinforced synthetic resin, ensures the sealing between the visor and the rubber facepiece.
  • Inner mask made of either EPDM or silicone rubber equipped with non return valves.
  • High efficiency, centrally positioned speech diaphragm.
  • Multipurpose connector comprising:
    • Threaded connector complete with inhalation valve and sealing rubber gasket for the filter version according to EN 148/1 and according to EN 148/3 for the SP/A overpressure version.
    • Exhalation valve equipped with compensating prechamber. It is conveniently positioned to ensure perfect discharge of the condensed air and is protected by a removable plastic cover.
  • Five strap elastic harness made of either EPDM or silicone rubber, and neck strap for suspending the mask when not being used.

Version for use with filters (threading according to EN 148/1):
SFERA, EPDM rubber model, Cod. 4333.3005
SFERA, silicone rubber model, Cod. 4333.3002

Thread according to EN 148/3
SFERA SP/A, EPDM rubber model, Cod. 4333.3004
SFERA SP/A, silicone rubber model, Cod. 4333.3001

SPARE PARTS AND OPTIONALS

  • Polycarbonate visor, Code 4201.0105
  • Threaded filter connector (acc. to EN 148/1) including: sealing rubber gasket, protective cover and inhalation valve, Code 4201.0040
  • Threaded connector for overpressure apparatuses (acc. to EN 148/3) including: sealing rubber gasket, inhalation valve and protective grille, Code 4201.0050
  • Exhalation valve, Code 4201.0060
  • Exhalation valve (for the SP/A version), Code 4201.0055
  • Rubber facepiece (EPDM rubber), Code 4201.0095
  • Rubber facepiece (silicone rubber), Code 4201.0090
  • Inner mask (EPDM rubber), Code 4201.0110
  • Visor frame, Code 4201.0000
  • Non return valves (pack of 10), Code 4201.0070
  • Kit comprising buckles and swivels for harness, Code 4201.0085
  • Speech diaphragm kit, Code 4201.0020
  • Rubber gasket kit, Code 4201.0065
  • Inhalation valve, Code 4201.0120
  • EPDM rubber harness, Code 4201.0005
  • Suspending strap with buckles, Code 4334.5152
  • Self adhesive visor protective films (pack of 10), Code 4432.3100
  • Threaded connector (EN 148/1) for filter 230, Code 4338.3220
  • Disassembling tool, Code 4201.0025
  • Carrying case in sintetic resin, Code 4201.0015
  


MAIN FEATURES

  • The pleasant and reliable design, an accurate distribution of weights and the position of the filter, make the SFERA comfortable to wear even after prolonged periods of use.
  • Materials used are not likely to cause allergies or irritations to the wearer's skin.
  • Very good adaptability to most faces. The shape of the rubber sealing lip has been designed to adapt itself to the user's face and ensure sealing action even along the most critical parts without exercising excessive pressure anywhere.
  • Leakage less than 0,05% corresponding to a protective factor of over 2000.
  • Extra wide field of vision. In excess of 85% of the natural field of vision.
  • Excellent demisting system.
  • Breathing resistance: 1.6 mbar during inhalation and 1.8 mbar during exhalation at a flow rate of 160 1/min.
  • Greatly reduced internal dead space.
  • Excellent voice transmission thanks to the frontal position of the speech diaphragm which allows utilization of a telephone, walkie-talkie and public address device.
  • Good flame and radiant heat resistance. The mask is self extinguishing and maintains full protective capacity even after very severe tests.
  • Full face polycarbonate visor with a high impact resistance.
  • The visor is completely free from distorsions, it has an antiscracth coating and a good resistance to acids.
  • Quick and easy to don and doff. Neck harness allows comfortable, ready for use carrying of the mask.
  • Long storage durability and high resistance to ozone.
  • Main components made from synthetic resin suitable for exposure to both low and high temperatures and unaffected by humidity, in accordance with European norms.
  • Easily maintained, washed and disinfected: all components can be disassembled with simple tools.
  • Compatible with the use of safety helmets.
  • Weight: about 650 g.