Comparison
AFFF, AR-AFFF and F3 Foam Compared
A comparison of fire fighting foams: AFFF, AR-AFFF and fluorine-free F3. Performance on hydrocarbons and polar solvents, PFAS legislation,...
Comparison
Electric and Diesel Fire Pumps Compared
A comparison of electric and diesel fire pumps: mains dependence, first cost, pump room area, ventilation, test regime, maintenance burden and the rule...
Comparison
ESFR, CMSA and CMDA: The Three Sprinkler Modes Compared
A comparison of the ESFR, CMSA and CMDA sprinkler modes: objective, K-factor, operating pressure, number of operating sprinklers, ceiling slope limit,...
Comparison
FM Global, NFPA and EN 12845 Storage Class Mapping
Mapping storage commodity classification across three standards: NFPA Class I-IV and Group A plastics, EN 12845 Category I-IV and material factor, FM...
Comparison
Gaseous Suppression Compared: FM200, NOVEC 1230, IG-541 and CO2
A comparison of gaseous suppression systems: FM200, NOVEC 1230, IG-541 and CO2. Suppression mechanism, design concentration, occupant safety, cylinder...
Comparison
NFPA 13, EN 12845 and FM Global: A Three-Way Comparison
A full comparison of the NFPA 13, BS EN 12845 and FM Global sprinkler standards: unit systems, density and area, K-factor notation, water supply...
Comparison
NFPA 20 and EN 12845 Fire Pump Requirements Compared
A row-by-row comparison of NFPA 20 and EN 12845 pump requirements: the overload protection ban, starting method, cranking, batteries, fuel volume,...
Comparison
Smoke Detection Compared: Point, Beam and Aspirating
A comparison of smoke detectors: point, beam and aspirating (VESDA type) systems. Operating principle, ceiling height, coverage, sensitivity, response...
Comparison
Sprinkler Pipe Material Comparison: Steel, Galvanised, Copper, CPVC and Stainless
A comparison of sprinkler pipe materials: permitted hazard classes, Hazen-Williams C coefficient, jointing methods, corrosion resistance, wall...
Comparison
Sprinkler Temperature and Colour Code: The Complete Table
A complete sprinkler temperature rating table: glass bulb and fusible link colour codes in separate columns, the ambient plus 30 C selection rule,...
Comparison
The Complete K-Factor Table: K57 to K480, Metric and Imperial
A complete sprinkler K-factor table: metric (K57 to K480) against imperial (K4.2 to K33.6), nominal orifice, typical use, minimum pressures and a...
Comparison
Wet, Dry, Alternate and Pre-Action Systems Compared
A comparison of the four sprinkler installation types: medium in the pipe, water delivery time, design area increase, corrosion and maintenance burden,...