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  1. Home
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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Needle Valves

Needle Valves (1,000+ items) - Page 14

Gentec HP Low Flow Regulator, CGA 326 , Inlet  0 to 25 PSI, Needle Valve, Use with: Nitrous Oxide R21BGK-DLK-C326-01-N
Gentec

HP Low Flow Regulator, CGA 326 , Inlet 0 to 25 PSI, Needle Valve, Use with: Nitrous Oxide

Zoro # G509978432
Mfr # R21BGK-DLK-C326-01-N
product price:  $323.99
/ea
Gentec HP SS Low Flow Regulator, CGA 320, Inlet  0 to 25 PSI, Needle Valve, Use with: Carbon Dioxide R12SLMK-DLK-C320-01-N
Gentec

HP SS Low Flow Regulator, CGA 320, Inlet 0 to 25 PSI, Needle Valve, Use with: Carbon Dioxide

Zoro # G509978494
Mfr # R12SLMK-DLK-C320-01-N
product price:  $589.99
/ea
Anderson Metals Straight Needle Shut-Off Valve, 3/8 in Connection, Compression, Brass Body 759106-06
Anderson Metals

Straight Needle Shut-Off Valve, 3/8 in Connection, Compression, Brass Body

Zoro # G613754748
Mfr # 759106-06
product price:  $22.29
/ea
Gentec HP High Pressure SS Low Flow Regulator, 1/4 NPTF  0 to1500 PSI, Needle Valve, Use with: Gas R44SLMK-BEK-00-00-N
Gentec

HP High Pressure SS Low Flow Regulator, 1/4 NPTF 0 to1500 PSI, Needle Valve, Use with: Gas

Zoro # G809978491
Mfr # R44SLMK-BEK-00-00-N
product price:  $626.99
/ea
Ham-Let Plumbing Needle Valves H-300U-SS-L-V-3/8-M
Ham-Let

Plumbing Needle Valves

Zoro # G812485863
Mfr # H-300U-SS-L-V-3/8-M
product price:  $174.99
/ea
Gentec HP Low Flow Regulator, CGA 510, Inlet  0 to 25 PSI, Needle Valve, Use with: Acetylene R21BGK-DLK-C510-01-N
Gentec

HP Low Flow Regulator, CGA 510, Inlet 0 to 25 PSI, Needle Valve, Use with: Acetylene

Zoro # G209978589
Mfr # R21BGK-DLK-C510-01-N
product price:  $323.99
/ea
Gentec HP Low Flow Regulator, Dual Stage, CGA 540, Inlet  0 to 50 PSI, Needle Valve, Use with: Oxygen R31BMK-DKK-C540-01-N
Gentec

HP Low Flow Regulator, Dual Stage, CGA 540, Inlet 0 to 50 PSI, Needle Valve, Use with: Oxygen

Zoro # G209978534
Mfr # R31BMK-DKK-C540-01-N
product price:  $378.99
/ea
Gentec HP Low Flow Regulator, CGA 350 , Inlet  0 to 50 PSI, Needle Valve, Use with: Carbon Monoxide R21BGK-DKK-C350-01-N
Gentec

HP Low Flow Regulator, CGA 350 , Inlet 0 to 50 PSI, Needle Valve, Use with: Carbon Monoxide

Zoro # G809978613
Mfr # R21BGK-DKK-C350-01-N
product price:  $315.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, CGA 695  0 to1500 PSI, Needle Valve, Use with: Hydrogen R44SLMK-DEK-C695-01-N
Gentec

HP High Pressure SS Low Flow Regulator, CGA 695 0 to1500 PSI, Needle Valve, Use with: Hydrogen

Zoro # G009978550
Mfr # R44SLMK-DEK-C695-01-N
product price:  $626.99
/ea
Anderson Metals 1/4 in. 1/4 in. Brass Needle Valve 759134-04AH
Anderson Metals

1/4 in. 1/4 in. Brass Needle Valve

Zoro # G612004462
Mfr # 759134-04AH
product price:  $16.35
/ea
Gentec HP High Pressure SS Low Flow Regulator, 1/4 NPTF  0 to 500 PSI, Needle Valve, Use with: Gas R44SLMK-BFK-00-00-N
Gentec

HP High Pressure SS Low Flow Regulator, 1/4 NPTF 0 to 500 PSI, Needle Valve, Use with: Gas

Zoro # G509978593
Mfr # R44SLMK-BFK-00-00-N
product price:  $635.99
/ea
Hoke 2200 Series - Bar Stock, Screwed Bonnet Needle Valves, 1/4in FNPT x 1/4in FNPT, 5000 PSI 2215F4Y
Hoke

2200 Series - Bar Stock, Screwed Bonnet Needle Valves, 1/4in FNPT x 1/4in FNPT, 5000 PSI

Zoro # G716507036
Mfr # 2215F4Y
product price:  $493.99
/ea
Gentec HP Low Flow Regulator, Dual Stage, CGA 540, Inlet  0 to 25 PSI, Needle Valve, Use with: Oxygen R31BMK-DLK-C540-01-N
Gentec

HP Low Flow Regulator, Dual Stage, CGA 540, Inlet 0 to 25 PSI, Needle Valve, Use with: Oxygen

Zoro # G109978559
Mfr # R31BMK-DLK-C540-01-N
product price:  $387.99
/ea
Anderson Metals 3/8'' C x 3/8'' C Brass Straight Needle Valve 759106-06
Anderson Metals

3/8'' C x 3/8'' C Brass Straight Needle Valve

Zoro # G421858768
Mfr # 759106-06
product price:  $17.69
/ea
Gentec HP SS Low Flow Regulator, Dual Stage, CGA 590, Inlet  0 to 50 PSI, Needle Valve, Use with:  Air R31SLMK-DKK-C590-01-N
Gentec

HP SS Low Flow Regulator, Dual Stage, CGA 590, Inlet 0 to 50 PSI, Needle Valve, Use with: Air

Zoro # G209978558
Mfr # R31SLMK-DKK-C590-01-N
product price:  $886.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, CGA 540  0 to 3000 PSI, Needle Valve, Use with: Oxygen R44SLMK-BDK-C540-01-N
Gentec

HP High Pressure SS Low Flow Regulator, CGA 540 0 to 3000 PSI, Needle Valve, Use with: Oxygen

Zoro # G909978667
Mfr # R44SLMK-BDK-C540-01-N
product price:  $618.99
/ea
Gentec HP SS Low Flow Regulator, CGA 320, Inlet  0 to 250 PSI, Needle Valve, Use with: Carbon Dioxide R12SLMK-DGK-C320-01-N
Gentec

HP SS Low Flow Regulator, CGA 320, Inlet 0 to 250 PSI, Needle Valve, Use with: Carbon Dioxide

Zoro # G909978575
Mfr # R12SLMK-DGK-C320-01-N
product price:  $563.99
/ea
Gentec HP SS Low Flow Regulator, CGA 350 , Inlet  0 to 50 PSI, Needle Valve, Use with: Carbon Monoxide R21SLMK-DKK-C350-01-N
Gentec

HP SS Low Flow Regulator, CGA 350 , Inlet 0 to 50 PSI, Needle Valve, Use with: Carbon Monoxide

Zoro # G309978533
Mfr # R21SLMK-DKK-C350-01-N
product price:  $580.99
/ea
Ham-Let Plumbing Needle Valves H-310U-SS-N-R-3/8-M
Ham-Let

Plumbing Needle Valves

Zoro # G012486608
Mfr # H-310U-SS-N-R-3/8-M
product price:  $315.99
/ea
Gentec HP SS Low Flow Regulator, CGA 320, Inlet  0 to 100 PSI, Needle Valve, Use with: Carbon Dioxide R12SLMK-DIK-C320-01-N
Gentec

HP SS Low Flow Regulator, CGA 320, Inlet 0 to 100 PSI, Needle Valve, Use with: Carbon Dioxide

Zoro # G009978451
Mfr # R12SLMK-DIK-C320-01-N
product price:  $572.99
/ea
Dixon 1/2 in STEEL MULTIPORT NEEDLE VALVE MFC304
Dixon

1/2 in STEEL MULTIPORT NEEDLE VALVE

Zoro # G409216900
Mfr # MFC304
product price:  $219.99
/ea
Gentec HP SS Low Flow Regulator, CGA 540, Inlet  0 to 25 PSI, Needle Valve, Use with: Oxygen R21SLMK-DLK-C540-01-N
Gentec

HP SS Low Flow Regulator, CGA 540, Inlet 0 to 25 PSI, Needle Valve, Use with: Oxygen

Zoro # G609978578
Mfr # R21SLMK-DLK-C540-01-N
product price:  $589.99
/ea
Gentec HP SS Low Flow Regulator, CGA 326 , Inlet  0 to 50 PSI, Needle Valve, Use with: Nitrous Oxide R12SLMK-DKK-C326-01-N
Gentec

HP SS Low Flow Regulator, CGA 326 , Inlet 0 to 50 PSI, Needle Valve, Use with: Nitrous Oxide

Zoro # G009978673
Mfr # R12SLMK-DKK-C326-01-N
product price:  $580.99
/ea
Gentec HP SS Low Flow Regulator, CGA 590, Inlet  0 to 50 PSI, Needle Valve, Use with: Air R12SLMK-DKK-C590-01-N
Gentec

HP SS Low Flow Regulator, CGA 590, Inlet 0 to 50 PSI, Needle Valve, Use with: Air

Zoro # G609978608
Mfr # R12SLMK-DKK-C590-01-N
product price:  $580.99
/ea
Gentec HP Low Flow Regulator, CGA 510, Inlet  0 to 50 PSI, Needle Valve, Use with: Acetylene R31BMK-DKK-C510-01-N
Gentec

HP Low Flow Regulator, CGA 510, Inlet 0 to 50 PSI, Needle Valve, Use with: Acetylene

Zoro # G109978573
Mfr # R31BMK-DKK-C510-01-N
product price:  $378.99
/ea
Gentec HP Low Flow Regulator, CGA 590, Inlet  0 to 50 PSI, Needle Valve, Use with: Air R21BGK-DKK-C590-01-N
Gentec

HP Low Flow Regulator, CGA 590, Inlet 0 to 50 PSI, Needle Valve, Use with: Air

Zoro # G009978680
Mfr # R21BGK-DKK-C590-01-N
product price:  $315.99
/ea
Westlake Pipe & Fittings 1/4'' Cx1/8'' MIP Brass Straight Needle Valve 17-1309
Westlake Pipe & Fittings

1/4'' Cx1/8'' MIP Brass Straight Needle Valve

Zoro # G721882159
Mfr # 17-1309
product price:  $12.29
/ea
Gentec HP SS Low Flow Regulator, CGA 326, Inlet  0 to 100 PSI, Needle Valve, Use with: Nitrous Oxide R21SLMK-DIK-C326-01-N
Gentec

HP SS Low Flow Regulator, CGA 326, Inlet 0 to 100 PSI, Needle Valve, Use with: Nitrous Oxide

Zoro # G409978662
Mfr # R21SLMK-DIK-C326-01-N
product price:  $572.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, 1/4 NPTF  0 to 3000 PSI, Needle Valve, Use with: Gas R44SLMK-DDK-00-00-N
Gentec

HP High Pressure SS Low Flow Regulator, 1/4 NPTF 0 to 3000 PSI, Needle Valve, Use with: Gas

Zoro # G609978615
Mfr # R44SLMK-DDK-00-00-N
product price:  $618.99
/ea
Dixon 1/2 in STEEL BLOCK, BLEED NEEDLE VALVE MFC704
Dixon

1/2 in STEEL BLOCK, BLEED NEEDLE VALVE

Zoro # G309015306
Mfr # MFC704
product price:  $137.99
/ea
Gentec HP Low Flow Regulator, CGA 326 , Inlet  0 to 100 PSI, Needle Valve, Use with: Nitrous Oxide R21BGK-DIKC326-01-N
Gentec

HP Low Flow Regulator, CGA 326 , Inlet 0 to 100 PSI, Needle Valve, Use with: Nitrous Oxide

Zoro # G409978457
Mfr # R21BGK-DIKC326-01-N
product price:  $306.99
/ea
Dixon Mini Needle Valve, 1/8-27 Nominal, FNPT End Style, 316 SSss Steel Body FFS101
Dixon

Mini Needle Valve, 1/8-27 Nominal, FNPT End Style, 316 SSss Steel Body

Zoro # G909216899
Mfr # FFS101
product price:  $106.99
/ea
Ham-Let Plumbing Needle Valves H-300U-SS-L-R-1/2-M-A
Ham-Let

Plumbing Needle Valves

Zoro # G412535197
Mfr # H-300U-SS-L-R-1/2-M-A
product price:  $187.99
/ea
Gizmo Brass Straight Needle Valve GI3003849
Gizmo

Brass Straight Needle Valve

Zoro # G614916190
Mfr # GI3003849
product price:  $43.79
/ea
Gentec HP Low Flow Regulator, CGA 346 NPT F , Inlet  0 to 250 PSI, Needle Valve, Use with: Air R31BMK-DGK-C346-01-N
Gentec

HP Low Flow Regulator, CGA 346 NPT F , Inlet 0 to 250 PSI, Needle Valve, Use with: Air

Zoro # G009978581
Mfr # R31BMK-DGK-C346-01-N
product price:  $361.99
/ea
Ham-Let Plumbing Needle Valves H-300U-SS-L-V-1/8-M
Ham-Let

Plumbing Needle Valves

Zoro # G612534976
Mfr # H-300U-SS-L-V-1/8-M
product price:  $139.99
/ea
Needle Valves (1,000+ items) - Page 14
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About Needle Valves

Needle valves are an important component of many fluid control systems. They are used to regulate the flow of fluid through pipes or tubes and are particularly useful for applications that require precise control over flow rates. Needle valves feature a tapered needle-shaped plunger that is used to control the flow of fluid through a small orifice. This allows for precise adjustments to be made to flow rates and pressures, making them ideal for use in a variety of industrial settings.

Types of Needle Valves

There are several different types of needle valves that are commonly used, each with their own unique characteristics and applications. Straight needle valves are the most common type and are used for applications that require a linear flow path. Angled needle valves, on the other hand, are used when a change in direction is required. Needle valves can also vary based on their connection type, with options for threaded, flanged, or compression fittings. Body materials can include brass, stainless steel, or other alloys, and the maximum pressure and flow rate will vary depending on the specific valve.

How Needle Valves are Made

Needle valves are typically constructed using high-quality materials that can withstand the demands of harsh industrial environments. They may be made from brass, stainless steel, or other alloys depending on the application. The plunger of the valve is typically made from a hard-wearing material like ceramic or tungsten carbide, which allows for precise control over the flow of fluid. Needle valves can be built to withstand high pressures and temperatures, making them ideal for use in a variety of settings.

Industries that use Needle Valves

Needle valves are used in a wide range of industries, including oil and gas, chemical processing, and aerospace. They are particularly useful in applications where precise control over flow rates is required, such as in research and development or laboratory settings. Needle valves are also commonly used in hydraulic systems, where they help regulate the flow of fluids through pipes and tubes. Professionals in these industries rely on needle valves to help them achieve accurate and consistent results, making them an important tool for a variety of jobs.

Find the Needle Valves You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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