Ads
related to: pressurized water fire extinguisher parts diagram
Search results
Results From The WOW.Com Content Network
A standard APW extinguisher in the United States contains 9.5 litres (2.5 US gal) of water in a stainless steel tank. The water is discharged by means of a 13 mm (1 ⁄ 2 in) hose, with a smooth-bore nozzle attached to the tip. They will initially produce a 12–15 m (40–50 ft) stream of water, with a discharge time of about 50 seconds.
The extinguisher body was charged with plain water, and the discharge pressure mixed the foam concentrate with the water upon squeezing the lever. These extinguishers received double the rating of a pre-mix model (40-B instead of 20-B), but are now considered obsolete, as parts and refill cartridges have been discontinued by the manufacturer.
An air-pressurized-water fire extinguisher is similar but its water is expelled by the air pressure, it is held by one person, and a flexible hose makes aiming the water stream easy. Handtub A historical fire engine pumped by hand with the water supply held in a tub or cistern on the wagon, the water supply delivered by a bucket brigade .
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) [2] Hose is one of the basic, essential pieces of fire-fighting equipment. It is necessary to convey water either from an open ...
It is generally used in situations where water from a fire sprinkler would damage expensive equipment, or where water-based fire protection is impractical, such as museums, banks, clean rooms and hospitals. The HFC-125 clean agent is stored in a pressurized container and introduced into the hazard as a gas.
An Ansul fire suppression system in a hospital cafeteria Fire suppression systems are used to extinguish, control, or in some cases, entirely prevent fires from spreading or occurring. Fire suppression systems have an incredibly large variety of applications, and as such, there are many different types of suppression systems for different ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
A rupture disc (burst) Pressure-effect acting at a rupture disc A rupture disc, also known as a pressure safety disc, burst disc, bursting disc, or burst diaphragm, is a non-reclosing pressure relief safety device that, in most uses, protects a pressure vessel, equipment or system from overpressurization or potentially damaging vacuum conditions.