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2012
AUTOMATIC SPRINKLER VALVE - AUTOMATIC SPRINKLER
AUTOMATIC SPRINKLER VALVE - INTERNAL SAFETY VALVE.
Automatic Sprinkler Valve
- A fire sprinkler system is an active fire protection measure, consisting of a water supply system, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected.
- (Automatic Sprinklers) A water sprinkler device which protects property from fire damage.
- system of valves and pipes for automatically directing water to a fire when it is detected. May be normally pressurized with water ("wet") or with air ("dry"), depending upon the application.
- device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
- A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
- control consisting of a mechanical device for controlling the flow of a fluid
- A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
- A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
- a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
Grinnell Automatic Sprinkler
Frederick Grinnell was born in 1836 at new bedford, massachusetts, usa. in 1855, he graduated from rensselaer polytechnic institute. inventor, engineer, and industrialist, grinnell was the creator of the first practical automatic fire sprinkler, which made an enormous contribution to fire safety. earlier in his career, he was draftsman, construction engineer, and manager for various railroad manufacturers. he designed and oversaw construction of more than 100 locomotives. in 1869 he purchased a controlling interest in a company that manufactured fire-extinguishing apparatus. grinnell licensed a sprinkler device patented by henry s. parmalee, then worked to improve the invention, and in 1881 patented the automatic sprinkler that bears his name. he continued to improve the device and in 1890 invented the glass disc sprinkler, essentially the same as that in use today. such sprinklers are called le grinnells in france. he secured some 40 distinct patents for improvements on his sprinklers and invented a dry pipe valve and automatic fire-alarm system as well. in 1892, grinnell organized the general fire extinguisher co., an amalgamation of several smaller companies, which became the foremost organization in its field of manufacture. grinnell died in 1905 in his home town of new bedford
Sprinkler Stop Valve Inside
This one's from The Automatic Sprinkler Co Ltd; less common than Mather and Platt.
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