Autoclave Engineers manufactures a variety of needle valves including low and medium pressure needle valves with a non-rotating rising stem deign and working pressures up to 2000 psi. These needle valves come in tube size ranges of 1/4" up to 1" and feature 316s stainless steel construction and an operating temperature range of 0 - 650 degrees Fahrenheit.

Hoke is a manufacturer of various needle valves including the 1700 series forged body integral bonnet , 2100 series bar stock screwed bonnet, 2700 series bar stock screwed bonnet for sour gas serves, and 2800 series forged body union bonnet needle valves in a wide range of sizes.

Hy-Lok USA manufactures several needle valves including the NV series, RP series, SV series and GB series. All needle valves come in a variety of sizes and option choices to match a variety of applications requirements.

Specialty Mfg. Co is a manufacturer of a wide selection of valve products including brass and plastic needle valves in a variety of sizes. The NV series needle valves are a compact design featuring a 3-turn adjustment in the needle, 6.5 turn adjustment is available.

Holyoke Fittings manufactures various needle valves including models for hose, pipe and tube applications. These valves are ideal for use in automotive, air conditioning, industrial, plumbing and refrigeration applications.

Marquest Scientific is a manufacturer of fluid handling products and offers over a dozen needle valve models as well as the L series needle valve products and a variety of accessories and replacement parts.

United manufacturers the 130 model needle test valve featuring a pressure tested 1/4” NPT x 1/4” hose and lead free construction.

Georg Fischer Piping Systems offers needle valves for a wide range of applications. models include the 1/2" type 522 needle valve and the SYGEF PVDF type 522 needle valve available in glove and angle configurations.

Dragon Valves is a manufacturer of a variety of valve products including general purpose needle valves, barstock needle valves, soft seat plug style needle valves, rodable soft seat plug style needle valves with Teflon packed bonnets and various other needle valves including custom designed products.

Generant Valves & Fittings manufactures brass and stainless steel needle valves including the FNV series or forged needle valve series available in a wide range of configurations up to 1/2”. The Series 3000 Screwed Bonnet Needle is an economical bar stock body metering valve where positive shut off and coarse metering is desired.

Innovative Pressure Technologies is a manufacturer specializing in precision high pressure balbes and fittings for fluid control devices. Products include a wide variety of needle valves with psi ratings up to 15000, non-rotating stems, integral through-holes for bracket mounting and a choice of nine body styles for a wide range of applications.

Kerotest M&M manufactures needle and gauge valves in various configurations for a broad range of applications. products include hard seat stainless steel needle valves, soft seat standard port needle valves, soft seat full port needle valves, bleed terminal valves and needle valves with integral bonnets.

Maxpro manufactures a variety of medium pressure valves and fittings as well as high pressure needle valves and tubing for pressures up to 60,000 psi for a wide array of applications.

Oil-Rite offers several models of universal sight feed needle valves in various sizes. These units are principally used on gravity or pressure oiling systems of larger machinery for lubrication where considerable capacities of oil  must be dispensed. The rugged, sturdy construction makes them especially suitable for paper mill machinery, steel mills, rolling mills, sugar mills, steam and gas engines and gear units.

Parker's line of needle valves includes the MV-13 Manual PFA Needle Valve is designed for high purity or aggressive chemical and gas applications.The design utilizes a molded high purity PFA body and stem as the only wetted components. The stem sealing area is precision machined for smooth, consistent flow. A PTFE ferrule assures a leak tight seal between stem and body.