A series of compact, in-line needle valves in straight or angle designs is now available from Industrial Specialties Mfg. Inc., of Englewood, Colo. Only 1-3/4” in length, these valves feature polypropylene bodies and NBR packing to offer a positive shut-off. Push-in ends are available in 1/4”, 3/8”, 6 mm and 10 mm sizes to accept O.D. tubing. Male and female threads are available in 1/8”, 1/4” and 3/8” NPT. Valves include a nickel plated knurled adjusting knob and locknut to maintain needle settings.