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Sigma 2

The Sigma 2 set is a simple and reliable two stage pneumatic system comprising; instant positive pressure demand valve, first stage pressure photo reducing valve, cylinder connector assembly, shoulder mounted combined pressure indicator and warning whistle.
  • Positive pressure
  • Lightweight backplate
  • No tools required for cylinder adjustment
  • EU/MCA Approved
  • Steel or composite cylinders
  • Non dermatitic neoprene or silicone facemasks
  • Used in conjunction with Panaseal and Panavisor masks
  • Low breathing resistance
TypePart No.
Sigma 2 backplate & maskFIR4010
30min steel cylinderFIR4100
30min carbon cylinderFIR4105
Copyright 2009 Seafloat Marine Services Limited