Assertion: flute's range | /r/HasProperty | standardized with 6 to 30 psi
Facets:
Source sentences:
text: Typically a signal ranged from 3 to 15 psi (20 to 100kPa or 0.2 to 1.0 kg/cm2) as a standard, was standardized with 6 to 30 psi occasionally being used for larger valves.