Observed arrival · 2026-09-15
Sub-Tech Systems Management and the 450-Metre Fire Extinguisher
A Cumbria-based specialist manufacturer and supplier of fire extinguishers, chamber equipment, diving gear, and servicing for hyperbaric and subsea operations.
Field notes
The flagship extinguisher is described as a handle-operated, foam-discharging device for pressurised diving and medical therapy chambers, with continuous or intermittent use. Two configurations are listed: STSM 2000 with 2L of extinguishant in a 3-litre cylinder, and STSM 5000 with 5L in a 7-litre cylinder. The wider catalog covers chamber masks and hoses, calibrated gauges, pressure-relief valves, oxygen analysers, regulators, and subsea connectors.
Observed signals
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Editorial observations of this landing page, not a rating.
One card from the complete issue