What are fire valves?
What is a Fire Hose Valve? A hose or hydrant valve is used to control the flow of water at the scene of a fire or in an industrial setting. Different applications call for different fire hose valves, including deluge and dry riser valve types.
Which pipe is used in fire fighting?
Fire fighting pipe is a type of normal carbon steel pipe used to convey fire suppression agent such as water or gas. Usually it is red in color. But light-wall pipes have a galvanized exterior of a silvery appearance. Installation of red steel pipe is limited to wet pipe sprinkler systems only.
What is the purpose of a post indicator valve?
Installed in the main water line serving a building, the Post Indicator Valve (PIV) is a valve used to control the water supply to the fire sprinkler system. Most commonly a raised post, the PIV is found in the yard near the building or mounted on the outside of the building.
Is code for fire fighting piping?
LIST OF INDIAN STANDARDS FOR FIRE FIGHTING
| 636: 1988 | Non-percolating flexible fire fighting delivery hose (third revision) |
|---|---|
| 2871: 1983 | Branch pipe, universal for fire fighting purposes (first revision) |
| 3589: 1981 | Electrically welded steel pipes for water, gas and sewage 150 to 2000 mm nominal size) (first revision) |
What are fire valves made of?
A fire-safety valve with fusible links has a primary drop-tight seat, usually made of TFE, along with a second seat made of metal for isolation in a fire. The secondary seat also has graphite seals for further protection.
How much pressure is in a fire line?
All hydrant piping shall be tested for a hydrostatic test pressure of 20 kg/sqcm or 1.5 times the working pressure (whichever is less) for a period of 24 hours at the end of which there shall be no loss in pressure.
What is a fire main indicator Post?
An indicator post, or an indicator post valve, is a valve assembly used to open or close the water supply main to a fire protection system. The top of the indicator post features a window that clearly indicates if the valve is open or shut.
Where are post indicator valves required?
A listed indicating valve at each connection into the building that is located at least 40′ from the building (if space permits) Control valves in a cutoff stair tower or valve room accessible from the outside. Valves located in risers with indicating posts arranged for outside operation.
What is the abbreviation for fire protection?
FIRE PROTECTION SYMBOL AND ABBREVIATION SCHEDULE F FIRE STANDPIPE LINE (F) FS FIRE SPRINKLER LINE (FS) SPRINKLER HEAD (SP) QUICK RESPONSE SIDEWALL SPRINKLER HEAD (SP) QUICK RESPONSE UPRIGHT SPRINKLER HEAD BELOW OBSTRUCTION (SP) FIRE DEPARTMENT CONNECTION XX
What size piping is not allowed on fire protection lines?
Fire Protection piping may not be smaller than 6” Water meters are not allowed on fire protection lines Fire Department Connections must use National Standard Threads Underground piping must be restrained with thrust blocks
What are the fire code regulations for fire fighting facilities in India?
Firewater installations shall comply with the latest edition of National Fire Code, Volume 2, Standard 24. In India, all fire fighting facilities shall be as per TAC & OISD norms.
What is the description of afire alarm symbol?
FIRE ALARM SYMBOLS: DESCRIPTION SYMBOL DESCRIPTION 1. ALL SYSTEM PIPING SHALL BE HYDROSTATICALLY TESTED @ 200 PSI FOR TWO HOURS OR AT 50 PSI ABOVE THE OPERATIONAL STATIC PRESSURE OF THE SYSTEM, WHICHEVER IS GREATER. 2. EACH VALVE SHALL HAVE A PERMANENTLY AFFIXED SIGN INDICATING ITS FUNCTION.