With the test cap open, the pressure shall be raised gradually to 45 +/- 5 psi allowing all air to be removed from the system. Close the test cap slowly as well as the outlet water supply valve.
Secure the hose directly behind the
test cap to avoid whipping or other uncontrolled reacting in the event of a hose burst.
How do you use a hose tester?
NO WILD LINES – Unique to the FH-Series of fire hose testers, is
a ballvalve strategically placed on the inlet piping that allows the user to fill the lines with “LARGE VOLUME at LOW PRESSURE
” and test with “LOW VOLUME at HIGH PRESSURE”, eliminating the elements that may cause wild lines.
What comes out of a firefighter hose?
A fire hose (or firehose) is a high-pressure hose that carries
water or other fire retardant (such as foam)
to a fire to extinguish it. Outdoors, it attaches either to a fire engine, fire hydrant, or a portable fire pump.
What is a hose test gate valve?
A hose test valve consisting of
a fire department gate valve with a 1⁄4-in
. (6.4-mm) opening drilled through the gate and designed to withstand the service test pressures shall be used between the pump and the hose test layout.
When service testing fire hose necessary equipment includes a hose testing machine and a hose test gate valve?
When service testing fire hose, necessary equipment includes a hose-testing machine and a hose-test gate valve. Hose should be tested in lengths of 50 feet (15 m) in length or shorter. If defects are found during service testing, hose should be: tagged for repair.
How fast does the water come out of a fire hose?
The water that comes out of the hose may be moving fast for a person,
30-80 miles per hour
, but this is very slow in comparison to the bullet, which will be travelling at ~880 mph. The speed of the bullet will vary far more than the speed of the water.
How heavy is a 70mm fire hose?
Pick up 2 coiled 70mm red hoses (
13.5 kg each
) by the handles and carry them up and down the course for 4 lengths (100 metres), then place 1 back at the start.
What should the pressure be on a fire hose?
To fight a fire on the ground, a fire hose needs
about 150 pounds per square inch of water
pressure. To get water to the 30
th
floor of a building, the pressure needs to be about 300 PSI to offset the effects of elevation.
Which is a guideline for loading hose?
When loading hose into the hose bed on an apparatus, hose should be:
loaded loose enough to fit a gloved hand between the folds
. Hard suction hose is commonly used: for drafting from a static water source.
How long do we test hose for?
After the stabilization period, the hose test layout shall hold the service test pressure for
3 minutes
without further pressure boosts. If the inspecting personnel walk the test layout to inspect for leaks, they shall be at least 15 ft (4.5 m) to the left side of the nearest hose line in the test layout.
What is hose test?
With
hydrostatic
testing you fill up the hose with a medium, such as water, and take it to a pre-specified test pressure and hold it for a period of time. During this pressure phase the hose is monitored and inspected to make sure the hose can withstand the pressure.
Which NFPA covers fire hose?
NFPA 1962
: Standard for the Care, Use, Inspection, Service Testing, and Replacement of Fire Hose, Couplings, Nozzles, and Fire Hose Appliances.
In which hose roll is the hose used to form a built in carrying loop?
The twin donut roll
creates a compact roll that is easily transported. The self-locking twin donut roll adds a built-in carrying loop for the hose.
Can a fire hose hurt you?
Respiratory burns can kill instantly
, or at least as close as makes no difference. Also, structural fires will release toxic gases that can incapacitate and kill just as fast.
How much water do you put in a fire hose?
Each 1-1/2-inch ID x 100-foot hose length holds 9 gallons.
Each 1-inch ID × 100-foot hose length holds 4 gallons
. hose. The firefighters lost 130 gallons of water.
How long does a fire hose last?
Taking care of a fire hose the “prescribed” way can lead to a useful life of
10–20 years
. More vigorous use will cut down on the lifespan of course, but good fire hose care can still go a long way in keeping your hoses working at maximum efficiency for a longer length of time.
