Vacuum Pumps and Vacuum Generators Multi-Stage Air Powered Vacuum Pumps Air-Miser – Ideal for Automation Applications Dimensional Specifications for MSP-AM25 Request for Quote Model Number Max Vacuum in. Hg (mm Hg) Vacuum Flow SCFM (l/min.) Air Consumption SCFM (l/min.) Adapters for G to NPT Attachment MSP-AM25 27 (690) 11.80 (336) 3.95 (112) Air consumption and vacuum flow at different vacuum levels (-Hg) at 45 psi. Model Number Air Consumption SCFM (l/min.) Vacuum Flow at Vacuum Level SCFM (l/min.) 0 Hg 3 Hg 6 Hg 9 Hg 12 Hg 15 Hg 18 Hg 21 Hg 24 Hg MSP-AM25 3.95 (112) 11.80 (336) 5.08 (144) 3.75 (106) 2.26 (64) 1.58 (44.8) 1.20 (34) 0.83 (23.6) 0.51 (14.4) 0.24 (6.8) The “G” thread is a straight pipe thread also known as BSPP, NPS, or G, commonly used in Europe, Asia, and most of the world.