Camlock coupling types A to F: materials and limits
Camlock types A to F, DC and DP explained: which halves connect, which material suits which liquid, and the 10 and 16 bar limits of EN 14420-7.
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Practical guides and advice on firefighting and irrigation equipment, from the team at Belgian Fire Safety.
Dry riser and wall hydrants: the rules in Belgium
A dry riser is an empty pipe the pumper fills. In high buildings the Belgian basic norms ask for a 70 mm riser and 2.5 bar at 500 l/min; outlets carry DSP.
Fire hose coupling sizes: Storz, DSP, AR and Guillemin
Storz couplings go by lug spacing (31, 66, 81, 89 or 133 mm), Belgian DSP, AR and Guillemin couplings by hose diameter. Size tables and how to measure.
Fire hose friction loss per 100 m: 45 mm or 70 mm
At 500 l/min a 45 mm fire hose loses about 6 bar per 100 m, a 70 mm hose 0.6 bar. Rule-of-thumb tables, the square law and a worked example.
Fire hydrants in Belgium: types, signs and the standpipe
Belgium has above-ground hydrants (sign B) and underground hydrants (sign H) used with a standpipe. How to read the sign and what the 1000 l/min rule asks.
Firefighting foam types: which concentrate for which fire
Fluorine-free AR foam at 3 % covers hydrocarbons and polar solvents, class A foam works at 0.1 to 1 %. Foam types, expansion ratios and how much to stock.
How to choose a fire nozzle: flow, type and pressure
Choose a fire nozzle by flow at 6 bar, flow control, pressure system and coupling. For interior attack in Belgium: 45 mm, EN 15182-2, 500 l/min, DSP 45.
Inline foam inductor: how it works, why it draws no foam
An inline inductor draws foam concentrate by Venturi effect and uses about a third of its inlet pressure. Set-up in seven steps and checks when no foam comes.
Open water supply: how high can a fire pump draw water?
A fire pump draws water 10.33 m high in theory, about 7 m in practice. A Belgian circular allows 6 m. Which strainer, suction hose and fittings you need.
PFAS ban on firefighting foam: which deadline applies to you
Public fire services stop using PFAS foam on 23 April 2027, Seveso sites on 23 October 2035. From 23 October 2026 a management plan and labels are required.
Portable or fixed fire monitor: which one for which job
A monitor takes over above 1000 l/min or where no crew should stand. Portable or fixed, 750 to 5000 l/min, and what 3000 l/min asks of hoses and hydrants.
Storz, DSP or Guillemin: which coupling is used where
Belgian fire services use DSP couplings on 45 and 70 mm hose and AR on 110 mm, by Royal Decree of 30 January 1975. The neighbours use DSP or Storz.
Water curtains: what they shield and what they do not
In a Dutch test a wall behind a vertical water curtain still heated up by 130 °C, against 180 °C without. Kept wet, it rose 25 °C. Flows, pressure, placement.
How to choose a fire hose: types, DIN 14811 and couplings
Which fire hose fits your brigade or site? Compare hose types, DIN 14811 classes, diameters and couplings, and learn how to make a hose last longer.
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