NFPA 99 2024 Worksheet 5
A shutoff valve shall be placed at the immediate connection of each BLANK system to
the distribution piping system. What is the name given to the valve? - answer Source
valve
A shutoff valve shall be provided in the BLANK supply line when the source valve is not
accessible from within the building being served. What is the name given to the valve? -
answer Main valve
All valves except valves zone valve box assemblies shall be secured by any of the
following means - answer Locked or latched in operating position
Located in secure areas
Located above ceilings, but remaining accessible and not obstructed
Immediately outside each vital life support, critical care and anesthetizing location of
moderate sedation, deep sedation, or general anesthesia there shall be a BLANK
located in each medical gas or vacuum line or both - answer Zone Valve
In line check valves shall not have threaded connections but shall have BLANK -
answer Threaded purge port
Brazed extensions
In line serviceability
New or replacement shutoff valves for medical gas pressure piping systems shall be
permitted to be any type as long as they meet the following - answerMinimum CV factor
Quarter turn to off
Constructed of material suitable
Service valves shall be placed in the branch piping prior to any BLANK on that branch -
answerZone valve
Shutoff valves for positive pressure gases shall - answerBe provided with copper tube
extensions for brazing
Permit in line serviceability
Be clean for oxygen service by the manufacturer
The main line valve shall be located on which side of the source valve, when the main
line valve enters the builiding - answerFacility side of the source valve
The minimum clearance around the EOSC for a temporary source is BLANK ft -
answer3
A shutoff valve shall be placed at the immediate connection of each BLANK system to
the distribution piping system. What is the name given to the valve? - answer Source
valve
A shutoff valve shall be provided in the BLANK supply line when the source valve is not
accessible from within the building being served. What is the name given to the valve? -
answer Main valve
All valves except valves zone valve box assemblies shall be secured by any of the
following means - answer Locked or latched in operating position
Located in secure areas
Located above ceilings, but remaining accessible and not obstructed
Immediately outside each vital life support, critical care and anesthetizing location of
moderate sedation, deep sedation, or general anesthesia there shall be a BLANK
located in each medical gas or vacuum line or both - answer Zone Valve
In line check valves shall not have threaded connections but shall have BLANK -
answer Threaded purge port
Brazed extensions
In line serviceability
New or replacement shutoff valves for medical gas pressure piping systems shall be
permitted to be any type as long as they meet the following - answerMinimum CV factor
Quarter turn to off
Constructed of material suitable
Service valves shall be placed in the branch piping prior to any BLANK on that branch -
answerZone valve
Shutoff valves for positive pressure gases shall - answerBe provided with copper tube
extensions for brazing
Permit in line serviceability
Be clean for oxygen service by the manufacturer
The main line valve shall be located on which side of the source valve, when the main
line valve enters the builiding - answerFacility side of the source valve
The minimum clearance around the EOSC for a temporary source is BLANK ft -
answer3
