Description
ProPak Sigma is a self contained positive pressure breathing apparatus
complete with Promask positive pressure facemask,lightweight rigid
backplate with fully adjustable harness and adjustable webbing cylinder
band.
The backplate is manufactured from a lightweight composite material
and includes a lumber pad. The fully adjustable body harness is
fabricated from a flame retardent Kevlar blend webbing.
Buckles and fittings are from stainless steel.
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.
