Product description
SIR B3 Breathing Air Supply Frame
The SIR B3 frame provides a complete and highly reliable breathing air supply system for four single-line users in professional applications. The complete system complies with SIR requirements and carries CE certification in accordance with PED 2014/68/EU.
Compact design and air capacity
Its compact design allows easy transport in the back of a pick-up truck or on a trailer while maintaining full functionality and ample air capacity.
The system includes 2 × 140-litre cylinders at 300 bar, supplemented by a 50-litre backup cylinder at 300 bar. Mechanical alarm systems continuously monitor the available air volume and provide timely warnings.
Individual user control
Two highly reliable AS4005 pressure reducers supply breathing air to four users. Each individual line includes its own shut-off valve and flowmeter for maximum control, safety and operational reliability.
