What is the purpose of lugs on a fire hose coupling?
The raised ridges on the body of the male and the swivel of the female are known as rocker lugs. These lugs are engaged with spanners to tighten and loosen the couplings. The notch on the lugs is called a higbee notch or higbee cut (I have also seen it spelled higby).
What action should be taken to protect fire hose in extremely cold temperatures when it is only being used intermittently at a fire?
What action should be taken to protect fire hose in extremely cold temperatures when it is only being used intermittently at a fire? a. Allow some water to flow through the nozzle when it is not being used in order to keep it from freezing.
What is a Preconnected hose load?
The most commonly used fireground hose is the preconnect—often called a “jiffy,” a lead-off line, or a handline—is the line most often pulled for fire attack. Stacking or loading of hose is a means to store the hose as well as prepare it for use (yes, you should stack hose so that it is prepared to be deployed).
What is a flat hose load used for?
This is usually because they’re easy to load and deploy. The flat load allows for standard shoulder or arm deployment. The nozzle person can also grab and flip the hose as they put it up on their shoulder, instantly creating a minuteman load on the last section or two if deploying to an upper floor from the apparatus.
How strong is a fire truck hose?
The usual working pressure of a firehose can vary between 8 and 20 bar (800 and 2,000 kPa; 116 and 290 psi) while per the NFPA 1961 Fire Hose Standard, its bursting pressure is in excess of 110 bar. (11,000kPa; 1600psi) Hose is one of the basic, essential pieces of fire-fighting equipment.
Which type of load is most commonly used for Preconnected attack lines?
Attack hose is loaded so that it can be quickly and easily deployed. The three most common hose loads used for preconnected attack lines are the minuteman load, the flat load, and the triple-layer load.
What is a Dutchman in fire terms?
DUTCHMAN- A. short fold or reverse bend used to allow couplings to pay out without them turning over.
How many gallons per minute does a fire hose use?
Typical Flows for hand lines – 1 inch hose 30–60 gpm; 1.5 inch hose 125 gpm; 1.75 inch hose 200 gpm; 2.5 inch hose 250–300 gpm. For supply lines depends on the water system, but a 4 inch supply line could be 1000–1500 gpm. Howdy, Red Line hose is rated at 150 gallons a minute.
How many gallons per hour does a hose put out?
The flow rate for a garden hose is between 9 and 17 gallons per minute. Depending on the type of hose, the average garden hose can be anywhere from 12 to 13 gallons.