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1 Outstanding breathing valve performance
- Very low breathing resistance
2 Breathing valve is activated from inner mask
- Instantenous response to workload changes
3 Ambient air hatch for standby use
- Extended duration time
4 Breathing valve has a positive lock
- Secure connection of breathing valve
5 Silent operational mode
- Communicate without noise interference
6 Mask and Breathing valve in a compact design
- No protruding parts
7 Fits spectacles and communication devices
- Flexibility for different users and purposes
8 The mask is available in three different sizes
- Excellent fit for all face shapes and sizes
QS S-FACE MASK
WITH S-BREATHING VALVE

S-FACE MASK is comfortable and reliable, designed with Inter-spiros outstanding safety pedigree and innovative approach.The inner mask separates inhaled and exhaled air to minimize the danger of breathing exhaled carbon dioxide. An ambient air hatch with double action release mechanism enables the use of ambient air while in stand-by.

S-BREATHING VALVE is a positive pressure valve with a secure connection to the face mask. The design of the demand valve supplies air only while inhaling, with instantaneous response to workload differences. Positive pressure is activated with a one-hand push on the exhalation valve cover.

Breathing apparatus from Interspiro is an investment with a long service life, when properly maintained. To simplify service and to obtain maximum product performance we recommend using our service kits, containing original spare parts necessary for preventive maintenance.

Interspiro offers training courses for users who perform day-to-day service work, as well as training for service personnel performing full maintenance programmes.
STANDARDS
• NFPA 1981:2002 Edition (Complete Apparatus)
• EN 136 Class 3
• EN 137 (Complete Apparatus)

MATERIALS
Mask Body Natural rubber or Silicone
Inner Mask Natural rubber or Silicone
Visor Heat resistant Polycarbonate
Breathing Valve Heat resistant Polyamid
Membrane Silicone

DIMENSIONS AND WEIGHT
Dimensions (h x w x d) 250 x 160 x 150 mm
Weight 0.88 kg
PERFORMANCE
Flow rate with preserved positive pressure
Inner/outer mask >450/>650 l/min.
Medium pressure range 5–11 bar
Static face mask pressure 2.0–3.5 mbar
Dynamic face mask pressure 0–9 mbar
Meets performance requirements of
EN 137 & NFPA 1981 (some models)

CONNECTION TO BREATHING HOSE
• M16 x 1

OPTIONS
• Hard coated visor • Hairnet
• Bypass unit • Helmet clips
• Radio communication

APPROVALS
Complete Interspiro Breathing Apparatus
• CE 89/686/EEC
• NFPA 1981:2002 Edition (some models)