Air Movers

Size: air knives 921-3 to 921-24 — 76, 152, 305, 457 and 610 mm (3", 6", 12", 18" and 24") with 1/4" NPT (F) inlet; air flow amplifiers 901, 902, 903 and 904 with 10, 20, 40 and 76 mm throats, and the 901A, 901BA, 901DA, 901HA and 909A jets. - Temperature: not printed on the spec sheets. - Application: blow-off, drying, cleaning, cooling and conveying — moving a large volume of ambient air with a small volume of compressed air. - Media: clean, dry compressed air. - Pressure: air knives are tabulated from 4,1 to 6,9 bar (60 to 100 psig); amplifier specifications are published at 100 psig (6,9 bar). The 902 draws 17 SCFM (482 SLPM) and delivers 204 SCFM (5 773 SLPM) ducted at 12:1 amplification. Range STAMP — Vortec air knife and air flow amplifier spec sheets, vortec.com, 2026