Parker Hannifin Corp. offers a variety of needle pneumatic valves, including: female pipe ends, male pipe ends, compression ends, flare ends, and flare/pipe ends. Valves come in sizes ranging from 1/8" to 3/8", they have design ratings up to 150 PSI, and they allow temperatures ranging from -45 to 250°F. Other needle valve configurations offered by Parker Hannifin include: piercing humidifier clamp kit, poly-tite/pipe ends, humidifier, angle compression/pipe, etc.

Air Incorporated offers PneuTrol needle valves in the following configurations: flow control, flow control with knob, needle, needle with knob, check, and poppet check. Valves are industrial grade, they are made for pneumatic circuit applications, and they come in five sizes ranging from 1/8" to 3/4" NPT. Valves are constructed from brass, carbon steel, and stainless steel materials.

Applied Industrial Technologies offers pneumatic needle valves. Valves range in port size from 1/8" to 3/4", and PSI ratings ranging from 250 to 2,000. Valves are manufactured by Boston Gear, Altra Industrial Motion, Parker Hannifin Corp., and ARO Corp.

ARO Fluid Products offers flow control pneumatic needle valves. Right angle flow control valves have operating temperatures ranging from -32 to 158°F, and operating pressures ranging from 15 to 150 PSI. Other valve features include: a 360 degree swivel, preapplied thread sealant, instant or threaded tube fitting inlets, knob/slotted adjustment, a nickel-plated brass body, a black anodized aluminum swivel, Buna-N seals, stainless steel springs, etc.

Grainger Industrial Supply offers pneumatic flow control needle valves. Valves have inlet port sizes ranging from 1/8" to 1/2" NPT, maximum operating pressures ranging from 0 to 5000 PSI, and CFM ranging from 18 to 28. Valves are constructed from the following materials: cast iron, stainless steel, zinc plating, brass, thermoplastic, etc.

Swagelok Company offers Severe-Service Union-Bonnet needle valves (with manual or pneumatic actuation). Valves have working pressures up to 10,000 PSIG, temperatures ranging from -65 to 1200°F, sizes ranging from 1/8" to 1", and a flow coefficient of up to 2.4. Valves are constructed from the following materials: PTFE, titanium, alloy C-276, alloy 600, alloy 20, alloy 400, and 316 stainless steel.

Pneumadyne, Inc. offers pneumatic needle valves in the following configurations: push-in port, male/female input port, NPT input port, tube ID barb input port, etc. Valves come in sizes ranging from 0.170 to 1/4", operating pressures ranging from 0 to 125 PSI, and flow rates from 9.4 to 27 scfm.

Coast Pneumatics Incorporated offers plastic and bronze pneumatic restrictor needle valves. Valves allow operating temperatures ranging from 40 to 120°F, flows equivalent to 0.025" diameter orifices, port sizes ranging from 1/16" to 1/8", and 10-64 pin threads. Valves are available in inline and panel mounts.