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  9. Needle Valves
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Needle Valves (1,000+ items) - Page 25

Gentec HP Low Flow Regulator, CGA 590, Inlet  0 to 50 PSI, Needle Valve, Use with: Air R31BMK-DKK-C590-01-N
Gentec

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

Zoro # G909978650
Mfr # R31BMK-DKK-C590-01-N
product price:  $378.99
/ea
Gentec HP SS Low Flow Regulator, CGA 590, Inlet  0 to 15 PSI, Needle Valve, Use with: Air R12SLMK-DMK-C590-01-N
Gentec

HP SS Low Flow Regulator, CGA 590, Inlet 0 to 15 PSI, Needle Valve, Use with: Air

Zoro # G709978485
Mfr # R12SLMK-DMK-C590-01-N
product price:  $597.99
/ea
Anderson Metals 1/4'' C x 1/4'' C Brass Straight Needle Valve 759106-04
Anderson Metals

1/4'' C x 1/4'' C Brass Straight Needle Valve

Zoro # G121857542
Mfr # 759106-04
product price:  $10.19
/ea
Dixon 1/2 in STEEL BLEED NEEDLE VALVE HARD SEAT MC804
Dixon

1/2 in STEEL BLEED NEEDLE VALVE HARD SEAT

Zoro # G309216895
Mfr # MC804
product price:  $114.99
/ea
Gentec HP Low Flow Regulator, CGA 346 NPT F , Inlet  0 to 50 PSI, Needle Valve, Use with: Air R21BGK-DKK-C346-01-N
Gentec

HP Low Flow Regulator, CGA 346 NPT F , Inlet 0 to 50 PSI, Needle Valve, Use with: Air

Zoro # G709978546
Mfr # R21BGK-DKK-C346-01-N
product price:  $315.99
/ea
Gentec HP SS Low Flow Regulator, 1/4 NPT F , Inlet  0 to 250PSI, Needle Valve, Use with: Gas R12SLMK-DGK-00-00-N
Gentec

HP SS Low Flow Regulator, 1/4 NPT F , Inlet 0 to 250PSI, Needle Valve, Use with: Gas

Zoro # G109978535
Mfr # R12SLMK-DGK-00-00-N
product price:  $563.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, CGA 695  0 to 3000 PSI, Needle Valve, Use with: Hydrogen R44SLMK-DDK-C695-01-N
Gentec

HP High Pressure SS Low Flow Regulator, CGA 695 0 to 3000 PSI, Needle Valve, Use with: Hydrogen

Zoro # G909978636
Mfr # R44SLMK-DDK-C695-01-N
product price:  $618.99
/ea
Gentec HP SS Low Flow Regulator, CGA 540, Inlet  0 to 100 PSI, Needle Valve, Use with: Oxygen R21SLMK-DIK-C540-01-N
Gentec

HP SS Low Flow Regulator, CGA 540, Inlet 0 to 100 PSI, Needle Valve, Use with: Oxygen

Zoro # G409978570
Mfr # R21SLMK-DIK-C540-01-N
product price:  $572.99
/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
Ham-Let Plumbing Needle Valves H-99XL-10-SS-N-NR-1
Ham-Let

Plumbing Needle Valves

Zoro # G012535146
Mfr # H-99XL-10-SS-N-NR-1
product price:  $371.99
/ea
Gentec HP Low Flow Regulator, CGA 590, Inlet  0 to 250 PSI, Needle Valve, Use with: Air R31BMK-DGK-C590-01-N
Gentec

HP Low Flow Regulator, CGA 590, Inlet 0 to 250 PSI, Needle Valve, Use with: Air

Zoro # G909978643
Mfr # R31BMK-DGK-C590-01-N
product price:  $361.99
/ea
Ham-Let Plumbing Needle Valves H-99S-10-SS-N-R-3/8
Ham-Let

Plumbing Needle Valves

Zoro # G212535137
Mfr # H-99S-10-SS-N-R-3/8
product price:  $157.99
/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 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
Jmf 1/8" 1/8" Brass Needle Valve 4506622
Jmf

1/8" 1/8" Brass Needle Valve

Zoro # G505272411
Mfr # 4506622
product price:  $2.79
/ea
Sold in mult. of 5 for $13.95
Gentec HP SS Low Flow Regulator, CGA 660 Inlet  0 to 25 PSI, Needle Valve, Use with:Sulfur Dioxide R31SLMK-DLK-C660-01-N
Gentec

HP SS Low Flow Regulator, CGA 660 Inlet 0 to 25 PSI, Needle Valve, Use with:Sulfur Dioxide

Zoro # G709978621
Mfr # R31SLMK-DLK-C660-01-N
product price:  $894.99
/ea
Thrifco Plumbing 1/4 Inch Comp x 1/8 Inch MIP Straight Needle Valve 4400705
Thrifco Plumbing

1/4 Inch Comp x 1/8 Inch MIP Straight Needle Valve

Zoro # G809557856
Mfr # 4400705
product price:  $8.25
/ea
Sold in mult. of 2 for $16.50
Gentec HP SS Low Flow Regulator, CGA 326 , Inlet  0 to 100 PSI, Needle Valve, Use with: Nitrous Oxide R12SLMK-DGK-C326-01-N
Gentec

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

Zoro # G709978591
Mfr # R12SLMK-DGK-C326-01-N
product price:  $563.99
/ea
Gentec HP SS Low Flow Regulator, CGA 346, Inlet  0 to 25  PSI, Needle Valve, Use with: Air R12SLMK-DLK-C346-01-N
Gentec

HP SS Low Flow Regulator, CGA 346, Inlet 0 to 25 PSI, Needle Valve, Use with: Air

Zoro # G109978597
Mfr # R12SLMK-DLK-C346-01-N
product price:  $589.99
/ea
Anderson Metals 75910606 Low Lead Compression Straight Needle Valve .37 x .37 5481593
Anderson Metals

75910606 Low Lead Compression Straight Needle Valve .37 x .37

Zoro # G816330534
Mfr # 5481593
product price:  $28.19
/ea
Gentec HP SS Low Flow Regulator, Dual Stage, CGA 590, Inlet  0 to 250 PSI, Needle Valve, Use with:  Air R31SLMK-DGK-C590-01-N
Gentec

HP SS Low Flow Regulator, Dual Stage, CGA 590, Inlet 0 to 250 PSI, Needle Valve, Use with: Air

Zoro # G709978560
Mfr # R31SLMK-DGK-C590-01-N
product price:  $869.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, CGA 680  0 to 1500 PSI, Needle Valve, Use with: Helium R44SLMK-BEK-C680-01-N
Gentec

HP High Pressure SS Low Flow Regulator, CGA 680 0 to 1500 PSI, Needle Valve, Use with: Helium

Zoro # G009978604
Mfr # R44SLMK-BEK-C680-01-N
product price:  $626.99
/ea
Gentec HP Low Flow Regulator, 1/4 NPT F , Inlet  0 to 100 PSI, Needle Valve, Use with: Gas R21BGK-DIK-00-00-N
Gentec

HP Low Flow Regulator, 1/4 NPT F , Inlet 0 to 100 PSI, Needle Valve, Use with: Gas

Zoro # G809978637
Mfr # R21BGK-DIK-00-00-N
product price:  $306.99
/ea
Dixon 1/4 in STEEL BLOCK, BLEED NEEDLE VALVE MFC702
Dixon

1/4 in STEEL BLOCK, BLEED NEEDLE VALVE

Zoro # G109015230
Mfr # MFC702
product price:  $129.99
/ea
Gentec HP Low Flow Regulator, 1/4 NPT F , Inlet  0 to 500 PSI, Needle Valve, Use with: Gas R21BGK-DFK-00-00-N
Gentec

HP Low Flow Regulator, 1/4 NPT F , Inlet 0 to 500 PSI, Needle Valve, Use with: Gas

Zoro # G509978685
Mfr # R21BGK-DFK-00-00-N
product price:  $289.99
/ea
Gentec HP SS Low Flow Regulator, 1/4 NPT F , Inlet  0 to 25 PSI, Needle Valve, Use with: Gas R21SLMK-DLK-00-00-N
Gentec

HP SS Low Flow Regulator, 1/4 NPT F , Inlet 0 to 25 PSI, Needle Valve, Use with: Gas

Zoro # G009978659
Mfr # R21SLMK-DLK-00-00-N
product price:  $589.99
/ea
Anderson Metals 719103-0402 .25 in. Compression x .13 in. Male Iron Pipe- 90 Degree Needle Valve 166653
Anderson Metals

719103-0402 .25 in. Compression x .13 in. Male Iron Pipe- 90 Degree Needle Valve

Zoro # G710673034
Mfr # 166653
product price:  $38.75
/ea
Gentec HP SS Low Flow Regulator, CGA 346, Inlet  0 to 250 PSI, Needle Valve, Use with:Air R21SLMK-DGK-C346-01-N
Gentec

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

Zoro # G409978600
Mfr # R21SLMK-DGK-C346-01-N
product price:  $563.99
/ea
Gentec HP SS Low Flow Regulator, CGA 346, Inlet  0 to 25 PSI, Needle Valve, Use with:Air R21SLMK-DLK-C346-01-N
Gentec

HP SS Low Flow Regulator, CGA 346, Inlet 0 to 25 PSI, Needle Valve, Use with:Air

Zoro # G509978463
Mfr # R21SLMK-DLK-C346-01-N
product price:  $589.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, 1/4 NPTF  0 to 250 PSI, Needle Valve, Use with: Gas R44SLMK-DGK-00-00-N
Gentec

HP High Pressure SS Low Flow Regulator, 1/4 NPTF 0 to 250 PSI, Needle Valve, Use with: Gas

Zoro # G709978454
Mfr # R44SLMK-DGK-00-00-N
product price:  $643.99
/ea
Gentec HP SS Low Flow Regulator, CGA 346, Inlet  0 to 250 PSI, Needle Valve, Use with: Air R12SLMK-DGK-C346-01-N
Gentec

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

Zoro # G709978553
Mfr # R12SLMK-DGK-C346-01-N
product price:  $563.99
/ea
Gentec HP SS Low Flow Regulator, CGA 540, Inlet  0 to 15 PSI, Needle Valve, Use with: Oxygen R12SLMK-DMK-C540-01-N
Gentec

HP SS Low Flow Regulator, CGA 540, Inlet 0 to 15 PSI, Needle Valve, Use with: Oxygen

Zoro # G009978468
Mfr # R12SLMK-DMK-C540-01-N
product price:  $597.99
/ea
Gentec HP SS Low Flow Regulator, CGA 540, Inlet  0 to 50 PSI, Needle Valve, Use with: Oxygen R12SLMK-DKK-C540-01-N
Gentec

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

Zoro # G809978460
Mfr # R12SLMK-DKK-C540-01-N
product price:  $580.99
/ea
Gentec HP High Pressure SS Low Flow Regulator, CGA 590 0 to 250 PSI, Needle Valve, Use with: Air R44SLMK-BGK-C590-01-N
Gentec

HP High Pressure SS Low Flow Regulator, CGA 590 0 to 250 PSI, Needle Valve, Use with: Air

Zoro # G609978486
Mfr # R44SLMK-BGK-C590-01-N
product price:  $643.99
/ea
Defenseguard 4 in. Standard Needle Valve DE844329
Defenseguard

4 in. Standard Needle Valve

Zoro # G115834627
Mfr # DE844329
product price:  $45.19
/ea
Gentec HP SS Low Flow Regulator, CGA 510, Inlet  0 to 250  PSI, Needle Valve, Use with: Acetylene R21SLMK-DGK-C510-01-N
Gentec

HP SS Low Flow Regulator, CGA 510, Inlet 0 to 250 PSI, Needle Valve, Use with: Acetylene

Zoro # G009978611
Mfr # R21SLMK-DGK-C510-01-N
product price:  $563.99
/ea
Needle Valves (1,000+ items) - Page 25
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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.

Related Categories

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1/2 in needle valve1/8 in needle valve1/4 in brass needle valvemount 3/4 valve10000 psi needle valve
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