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Premium Needle Valves
Browse our selection of inline needle valves engineered for precise flow control in hydraulic and pneumatic systems. Choose from brass or steel models with NPT female ports in 1/8", 1/4", 3/8", and 3/4" sizes.
Flow capacity ranges from 4.5 to 100 GPM, with pressure ratings from 2000 PSI up to 10000 PSI in select steel options. For compact installs, the NV1-10 Series Needle Cartridge Valve offers durable performance without a housing. All valves are built for industrial use and long-term reliability. Select models are available with Buna-N seal kits for maintenance support.
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Brass Inline Needle Valve, Female 3/8-18 NPT Ports, Up to 13.50 GPM & 2000.00 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
NV1-10 Series Needle Cartridge Valve, Black Knob, Housing: NoneProduct is currently not available online.
Please call 800-507-9651 for assistance. -
SK2-10-2 Buna-N Seal KitProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Barstock Inline Needle Valve, Ports, Up To 10000 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Barstock Inline Needle Valve, Ports, Up To 10000 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Barstock Inline Needle Valve, Ports, Up To 10000 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Inline Easy Read Needle Valve, Female 1/2-14 NPT Ports, Up to 28.00 GPM & 5000.00 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Inline Easy Read Needle Valve, Female 1/4-18 NPT Ports, Up to 10.00 GPM & 5000.00 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Inline Easy Read Needle Valve, Female 1/8-27 NPT Ports, Up to 4.50 GPM & 5000.00 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Steel Inline Easy Read Needle Valve, Female 3/4-14 NPT Ports, Up to 40.00 GPM & 5000.00 PSIProduct is currently not available online.
Please call 800-507-9651 for assistance.
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Choosing the Best Needle Valve
Selecting the best needle valve depends on your system’s flow control requirements, pressure range, and installation space. Choose cartridge-style valves when space is limited or barstock steel valves for applications requiring up to 10000 PSI. Thread size and material compatibility also impact performance, especially in demanding environments.
Needle valves are essential in industries including oil and gas, manufacturing, and mobile machinery and equipment. These environments require durable, high-precision components for safe and efficient system control. For more guidance by use case, explore the industries we serve.
Benefits of Using Our Needle Valves
Our needle valves are backed by responsive technical support, easy availability of replacement parts, and fast order fulfillment through our nationwide branch network. Many models feature Easy Read handles to simplify field identification and adjustments. Lead times are minimal on most SKUs, helping you avoid delays in system builds or repairs. We also stock compatible seal kits to support ongoing maintenance and reduce downtime.
If a valve ever needs servicing, our repair center can help. For sourcing assistance or product guidance, contact us — we’re ready to assist.
Needle Valve FAQs
What is a Needle Valve?
A needle valve is a type of flow control valve designed to regulate precise fluid flow. It uses a narrow, tapered needle and a matching seat to allow fine adjustments. Needle valves are ideal for applications that require gradual throttling or controlled pressure release.
How does a Needle Valve Work?
Needle valves work by turning a threaded stem attached to a tapered needle. As the needle moves in or out of the seat, it controls the size of the flow passage, allowing for precise regulation. This makes them suitable for systems requiring fine control at variable pressures.
Can Needle Valves Be Used in Both Hydraulic & Pneumatic Systems?
Yes. Needle valves are well-suited for both hydraulic and pneumatic systems where accurate flow control is needed. They’re commonly used in applications that involve controlled pressure buildup, steady flow regulation, or gradual fluid release.
Do You Carry Other Types of Hydraulic Valves?
Yes. In addition to needle valves, we offer a full selection of hydraulic valves and accessories, including pressure relief, directional, and check valves. Browse all hydraulic valves and accessories for more options.