This product is now obsolete and has been replaced by the Sigma 2 Type 2.
Scott Safety’s ACS represents a major advancement in SCBA carrying systems. It is significantly lighter than any other carrying system and offers the wearer the ultimate in comfort and flexibility combined with the highest standards of performance.
The Sigma ACSm combines all the benefits of Sigma with the new technology behind ACS and is designed specifically for use as a Class 1 compliance set for use in marine and industrial environments.
The result is considerably reduced user burden combined with the highest standards of performance.
Lightweight ThermoFlex backplate for greater comfort, flexibility and reduced wearer fatigue
Ergonomically moulded to fit spine and back muscles
Adjustable shoulder straps
Adjustable waistband featuring quick release buckle
High performance pneumatics with compact first breath activated demand valve
Includes backplate, harness & pneumatics
Full face mask & cylinders purchased separately
ASMED Marine Equipment Directive (Shipwheel)
2019124 SIGMA-ACSm-PS SIGMA ACSm is a self contained positive pressure breathing apparatus complete with PanaSeal positive
pressure facemask in black Neoprene, lightweight flexible backplate with fully adjustable harness and
adjustable webbing cylinder band.
The backplate is manufactured from a lightweight polyamide material and includes full backpadding The
fully adjustable body harness is fabricated from a flame retardent polyester 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 ACSm will accept all Scott B A cylinders*
Apparatus is CE Marked to EN137:2006 Type 1 and MED approved
*Please note to maintain the cylinder valve handwheel on the normal right hand side of the SCBA please order the cylinders fitted with the right angled
valve. These cylinders have the suffix -RA.
2018412 SIGMA ACSm As above but without facemask
2018413 SIGMA ACSm-AC As above but fitted with Airline attachment*. (no mask)
2018414 SIGMA ACSm-SDC As above but fitted with Split demand valve (no mask)
2018415 SIGMA ACSm-ACSDC
As above but fitted with Split demand valve and Airline attachment*. (no mask)
2018865 SIGMA ACSm-Y2C As above but fitted with Y-piece (2 CEN socket) in demand valve hose