””Beswick Engineering’smicro needle valve with M3 threaded inlet and hose barb outlet isdesigned for applications where space, leak tightness, durability, andlight weight are required. It can be used to control mini-cylinders,nozzles, timing circuits, filling heads, bleed vents, and in many othermetering applications. It weighs just 2.26 grams and the installedheight is about 10.4 millimeters. The valve controls flows from zero toone SCFM at 50 PSIG. The metal-to-metal seal provides positive shutoffto 25 in hg.