Section 22 62 19.74 - DENTAL VACUUM AND EVACUATION
2015-8-19 · A.System: The minimum system demand shall be based on 198 L/min (7 SCFM) per dental chair and at an operating pressure of 21 to 27 KPa (6 to 8 inches Hg). A minimum of vacuum of 21 kPa (6 inches Hg) shall be maintained at the most distant outlet. System pressure drop shall be a maximum of 3 kPa (1 inches Hg) at the calculated demand flow.
Get Price