Central Pneumatic 93657 Owner's Manual & Safety Instructions page 5

Symbol Definitions
Symbol property or Statement
Pounds per square
pSi
inch of pressure
cFM
Cubic Feet per Minute flow
Cubic Feet per Minute flow
ScFM
at standard conditions
npt
National pipe thread, tapered
Item 93657 For technical questions, please call 1-888-866-5797.
Symbol property or Statement
npS
National pipe thread, straight
WARNING marking concerning
Risk of Eye Injury.
Wear ANSI-approved
eye protection.
WARNING marking concerning
Risk of Respiratory Injury.
Wear NIOSH-approved respirator.
WARNING marking concerning
Risk of Explosion.
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