Term
| What is the standard pressure range for positive pressure gas piping? |
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Definition
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Term
| What is the standard pressure range for support gases (nitrogen and instrument air)? |
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Definition
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Term
| What is the standard test pressure for gas and vacuum systems? |
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Definition
| 1.5 times operating pressure but not less than 150 psig. |
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Term
| What is the pressure for the standing vacuum test? |
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Definition
| Between 12" HgV and 30" Hgv |
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Term
| What is the max pressure range that covers the entire scope of nonflammable medical gas and vacuum systems? |
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Definition
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Term
| Drive gas systems for powering medical devices and equipment can run on nitrogen form cylinders less than... |
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Definition
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Term
| No polymeric materials are allowed (i.e. interconnecting hoses) in any portion of the central supply system intended to handle oxygen at pressure greater than... |
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Definition
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Term
| What pressures are WAGD Vacuum producers designed to operate? |
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Definition
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Term
| What must station outlets/inlets utilize at pressures in excess of 80 psig? |
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Definition
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Term
| Station outlets/inlets that operate between 200 psig - 300 psig are designed with this special feature. |
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Definition
| The adapter is prevented from being removed until the system pressure is relieved. |
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Term
| What is the minimum burst pressure rated for the connectors on manufactured assemblies employing flexible hoses? |
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Definition
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Term
| What is the scale range of vacuum indicators? |
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Definition
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Term
| What is the normal range display of vacuum indicators? |
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Definition
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Term
| At what pressure will raw medical-surgical vacuum system trigger an alarm? |
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Definition
| Pressure drops below 12"HgV. |
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Term
| What operating pressures require the installation of Type K copper tubing? |
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Definition
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Term
| What pressure ratings must all joints and fittings have to be able to join with copper or stainless steel? |
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Definition
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Term
| What pressure is a system under test charged with oil-free, dry nitrogen NF? |
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Definition
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Term
| Medical gas can be installed in the same trench alongside fuel, oil, electric, or steam if ambient temperatures are limited to... |
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Definition
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Term
| Central supply systems, cylinders, or containers must remain within this temperature range. |
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Definition
| 20 degrees F - 125 degrees F |
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Term
| What is the maximum allowable temperature of an in-room heating element required in the space for the central supply system? |
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Definition
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Term
| Medical Gas Rail (MGR) assemblies should be made of materials rated for this melting point. |
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Definition
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Term
| Brazed joints must be capable of withstanding these temperatures. |
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Definition
| In excess of 1,000 degrees F |
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Term
| All joints and fittings must have this temperature rating. |
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Definition
| Not less than 1,000 degrees F |
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Term
| What is the rated accuracy for pressure and vacuum indicators allowable for testing? |
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Definition
| 1% (Full Scale) or better. |
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Term
| What percent above the system operating pressures are used for standing pressure tests? |
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Definition
| 20% above normal operating pressure. |
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Term
| The EOSC shall be equipped with a female DN (NPS) inlet for connecting the emergency source, sized for this percent of the system demand. |
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Definition
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Term
| What percent above the normal line pressure are relief valves rated for on the EOSC? |
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Definition
| 50% above the normal line pressure. |
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Term
| What is the standard efficiency of vacuum filters in category 1 systems? |
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Definition
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Term
| Area alarm panels for medical gas systems shall indicate pressures that increase or decrease by what percent from the normal line pressure? |
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Definition
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Term
| Brazing cannot begin until the oxygen analyzer reads oxygen levels below this percent. |
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Definition
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Term
| Enclosures for outdoor central supply systems shall be provided with two entry/exits if greater than this size. |
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Definition
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Term
| How far must the factory installed copper tube extend from the body of the station outlet/inlet? |
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Definition
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Term
| What is the minimum size of copper inlet tubing installed on station outlets. |
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Definition
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Term
| What is the minimum size of copper outlet tubing installed on station inlets? |
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Definition
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Term
| What size threaded purge points are found on in-line check valves? |
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Definition
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Term
| What pipe size is requires the installation of Type K copper tubing? |
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Definition
| Any size larger than 3" NPS. |
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Term
| What is the minimum pipe size for medical gas mains and branches? |
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Definition
| Not less than DN15 1/2" NPS. |
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Term
| What is the minimum pipe size for medical-surgical vacuum mains and branches? |
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Definition
| Not less than D20 3/4" NPS. |
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Term
| What is the minimum pipe size for drops to individual station outlet/inlets? |
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Definition
| Not less than DN15 1/2" NPS. |
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Term
| What size tubing is allowed for run-outs to alarm panels and connecting tubing for gauges and alarm devices? |
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Definition
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Term
| How far is the oxygen equipment, or a future oxygen enriched enclosure, from the "area of administrations"? |
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Definition
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Term
| Both cryogenic fluid central supply systems, and the EOSC's shall have how much work space clearance? |
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Definition
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Term
| How far away must medical air intakes be located from ventilating system exhausts, fuel storage, vacuum and WAGD discharges, and vehicle garages? |
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Definition
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Term
| How far above ground level must the medical air intake be located? |
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Definition
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Term
| How far must medical air intakes be away from doors, windows, or other building openings? |
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Definition
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Term
| In addition to being installed at different elevations that air intakes, how far away must medical-surgical vacuum exhausts be located from doors, windows, air intakes? |
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Definition
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Term
| If joined to the vacuum piping, WAGD piping shall be connected at this minimum distance from any vacuum inlet. |
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Definition
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Term
| What is the minimum backfilled cover buried above underground pipe? |
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Definition
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Term
| What is the minimum backfilled cover buried above underground pipe where there is no potential for damage from surface loads? |
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Definition
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Term
| At what intervals should pipe labels be located? |
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Definition
| Not more than 20 feet apart. |
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Term
| What size storage capacity is defined as a bulk inert gas or bulk oxygen system? |
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Definition
| Greater than 20,000 cu.ft. at STP. |
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Term
| What size storage capacity is defined as a bulk nitrous oxide system? |
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Definition
| Greater than 3,200 LB and 28,000 cu.ft. at STP. |
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Term
| What size storage capacity is defined as a micro-bulk cryogenic system? |
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Definition
| Less than or equal to 20,000 cu.ft. at STP. |
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Term
| What size filter suitable for oxygen shall be provided at the outlet of the oxygen concentrator? |
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Definition
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Term
| What percent oxygen should the monitor for the oxygen concentrator be capable of monitoring, and within what percent accuracy? |
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Definition
| 99% concentration within 1% accuracy. |
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Term
| How many gaseous hydrocarbons are contained in filter medical air? |
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Definition
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Term
| What permanent particulate size is medical air filtered to? |
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Definition
| 1 micron or larger at STP. |
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Term
| How efficient are medical air filtration systems? |
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Definition
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Term
| What is the maximum dew point that medical air dyers are designed to provide and at what pressure range? |
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Definition
| Below the frost point of 32 degrees F at 50 psig - 55 psig at any level of demand. |
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Term
| What dew points will trigger the local alarms and master alarms in the medical air? |
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Definition
| Greater than 35 degrees F. |
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Term
| What levels of carbon monoxide in the medical air will trigger a local alarm? |
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Definition
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Term
| What range of oxygen concentrations do medical air proportioning systems produce? |
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Definition
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Term
| What level of oxygen concentration will indicators on the oxygen concentrators signal an alarm? |
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Definition
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Term
| What is the dew point range for instrument air? |
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Definition
| -40 degrees F to -22 degrees F. |
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Term
| What size is instrument air filtered to? |
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Definition
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Term
| How many connections must a reserve header manifold have for a cryogenic liquid container, having sufficient numbers of gas cylinder connections for one average day's supply. |
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Definition
| Not fewer than 3 connections. |
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Term
| How long after cleaning should joints be brazed? |
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Definition
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Term
| How often shall central supply systems be inspected? |
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Definition
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Term
| How often are alarms inspected? |
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Definition
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Term
| What size valves sample port shall be provided downstream of the final line regulator, dew point monitor, and carbon monoxide monitor and upstream of the source shutoff valve for medical air? |
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Definition
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Term
| What percent of zones shall be tested for piping particulates at the most remote outlet from the source? |
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Definition
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