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SIGMA-2 is a self contained positive pressure breathing apparatus complete with moulded composite backplate with fully adjustable harness and infinitely adjustable Kevlar webbing cylinder band. The backplate is injection moulded from a mineral carbon filled anti-static polyamide composite material. The fully adjustable body harness is fabricated from a flame retardant Kevlar blend webbing. Buckles and fittings are injection moulded from a corrosion resistant polyamide. The two stage pneumatic system features a first breath activated positive pressure demand valve, a first stage pressure reducing valve with an integral 200/300 bar cylinder connector and a shoulder mounted pressure gauge with 55 bar whistle. The SIGMA-2 Type 2 will accept all Scott BA cylinders.
This model is supplied less face mask and cylinder- to be purchased separately.
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