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10 Cards in this Set

  • Front
  • Back
Pressure going into then hospital is
50 psi
Pressure reducing valve
reduces pressure from 50 psi
s
Central Piping System
Standards set by NFPA
ASSS
-for high pressure cylinders
-threaded and counterthreaded for a given gas's density
DISS
-for lower pressure systems
-threshold is 200 psi
ASSS
Might use external or internal threading
High Pressure Reducing Valves
1)May be single stage or multiple stage
2)redeuced pressure may be preset or adjustable
Pressure reduction
realtes to adjusting the tension on a spring inside the reduction valve.
Flowmeters
Have flow restrictors that aren't adjustable
Flow restrictors
Deliver a specific but unvariable flow