Vacuum Pumps and Vacuum Generators Multi-Stage Air Powered Vacuum Pumps Air-Miser – Ideal for Automation Applications Dimensional Specifications for MSP-AM15 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-AM15 27 (690) 7.60 (215) 1.97 (56) 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-AM15 1.97 (56) 7.60 (215) 3.88 (110) 2.19 (62) 1.45 (41) 0.79 (22.4) 0.60 (17) 0.42 (11.8) 0.25 (7.2) 0.12 (3.4) 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.