High-Performance Hydraulic Valves & Hydraulic Accessories

Hydraulic valves are vital components of fluid power systems, providing precise control over the flow, pressure, and direction of hydraulic fluid to ensure optimal performance and efficiency. At Hydraulic Supply Co., we offer an extensive selection of high-quality valves, including Ball Valves, Check Valves, Counterbalance Valves, and more, designed to meet the demands of any application.

With nearly 70 years of expertise, we proudly serve industries such as construction, manufacturing, and agriculture, delivering durable and reliable solutions from trusted brands. We also provide expert repair services to keep your hydraulic valves operating at peak performance and reduce downtime. Explore our wide range of hydraulic valves and valve accessories today and discover the perfect fit for your system's needs!

HSC carries one of the most comprehensive hydraulic valve inventories in fluid power — ball, needle, directional control, counterbalance, and cartridge valves for every circuit function and pressure rating. Our specialists help you find the right fit. Same-day shipping, 40+ locations.

Huge In-Stock Inventory Same-Day Shipping Top Industry Brands

Hydraulic Valves & Accessories by Category

1CE20 Series Counterbalance Cartridge Valves, Up To 5000 PSI & 5 GPM

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1CE30 Series Counterbalance Cartridge Valves, Up To 5000 PSI & 8 GPM

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1CE300 Series Counterbalance Cartridge Valves, Up To 5000 PSI & 80 GPM

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1CE90 Series Counterbalance Cartridge Valves, Up To 4000 PSI & 23 GPM

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1CEB90 Series Counterbalance Cartridge Valves, Up To 4000 PSI & 23 GPM

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1CEV30 Series Counterbalance Cartridge Valves, Up To 4000 PSI & 8 GPM

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1CEV90 Series Counterbalance Cartridge Valves, Up To 4000 PSI & 23 GPM

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1CLLR100 Series Cushion (Double Relief) Cartridge Valves, Up To 5000 PSI & 40 GPM

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1SE30 Series Counterbalance Cartridge Valves, Up To 5000 PSI & 8 GPM

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1SE90 Series Counterbalance Cartridge Valves, Up To 5000 PSI & 23 GPM

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Hydraulic Valves for Every Application

Hydraulic valves are versatile components essential for controlling fluid flow, pressure, and direction in various systems. Whether managing Pressure Reducing Valves for high-pressure applications, utilizing Flow Control Valves for precise regulation, or employing Directional Control Valves for complex hydraulic circuits, these components are tailored to meet diverse operational needs with accuracy and reliability.

In demanding industries like construction, manufacturing, and agriculture, the durability of hydraulic valves plays a vital role. Engineered for tough environments, they ensure optimal performance, extend system longevity, and minimize downtime— all keys to maintaining productivity and efficiency.

Hydraulic Supply Company provides a comprehensive selection of hydraulic valves, including specialized options for reducing pressure, regulating flow, and controlling direction. Browse our high-performance solutions today.

Hydraulic Valves & Accessories FAQs

What are hydraulic valves, and how do they work?

Hydraulic valves are components designed to control the flow, pressure, and direction of fluid in hydraulic systems. They function by opening, closing, or partially obstructing pathways within the system to regulate fluid movement and ensure efficient operation.

What types of hydraulic valves do you offer?

We offer various hydraulic valves, including Pressure Reducing Valves, Flow Control Valves, Directional Control Valves, Ball Valves, Check Valves, and Counterbalance Valves. Our inventory features products from leading brands to suit a variety of applications. Shop our full selection of hydraulic valves and accessories.

How do I select the right hydraulic valve for my application?

Selecting the right valve depends on your system’s flow rate, pressure requirements, and operational needs. Consider factors like application type, system compatibility, and the specific function the valve will perform.

Do you offer repair services or replacement parts for hydraulic valves?

Yes, we provide expert repair services and a selection of replacement parts to help maintain and extend the lifespan of your hydraulic valves. Our solutions are designed to minimize downtime and maximize efficiency.

Are your hydraulic valves compatible with all hydraulic systems?

Our hydraulic valves are designed to meet industry standards and are compatible with most hydraulic systems. For specific compatibility questions, our team can provide expert guidance to ensure you choose the right product. Contact us for compatibility inquiries.

How to Choose the Right Hydraulic Valve

Identify the valve’s circuit function first, match pressure and flow ratings second, and confirm mounting style and port configuration before specifying the final unit.

Identify the Valve’s Circuit Function Valves fall into four functional categories: pressure control (relief, reducing, counterbalance), flow control (needle, flow control, flow divider), directional control (directional control valves, check valves, selector valves), and load control (pilot-operated check, counterbalance, cushion valves). Selecting the correct functional category first prevents misapplication. Choosing the right valve type for the wrong function — such as a relief valve where a reducing valve is required — is one of the most common and costly hydraulic circuit errors.
Match Pressure and Flow Ratings to System Requirements Every valve carries a continuous pressure rating (PSI) and a maximum flow rating (GPM). A valve undersized for flow generates excess pressure drop, system heat, and actuator speed loss. A valve undersized for pressure risks failure or internal bypass under system peaks. Always size to the worst-case operating condition — including dynamic pressure spikes — with an adequate margin above continuous rated values.
Confirm Mounting Style and Port Configuration Hydraulic valves are available in inline (pipe or SAE threaded), subplate-mounted, cartridge, and manifold configurations. Mixing mounting styles on a single circuit adds plumbing complexity and leak potential. For multi-function circuits, cartridge or stack valve designs consolidate functions into a single machined manifold, reducing external connections, weight, and long-term maintenance burden significantly.

What Our Customers Say

Trusted by 50,000+ industrial clients.

“Great Service. Open Saturdays. Had all the fittings I needed. Came in with boss to get JIC fittings looking for some crossover fittings. They got me the ones I needed to get my directional valve working and oil moving.”

Trucker Frank

Midland, TX

“20,000 parts in inventory! Say what! Nobody even close in Florida to the kind of inventory and service. Hose assemblies in 15 minutes while you wait.”

Tim K.

Florida City, FL

“This place has everything you will ever need. The best Hydraulic shop in NC. Brandon is always very helpful.”

Robert Lyon

Greensboro, NC

Technical Resources & Articles

Expert insights, maintenance tips, and industry news for hydraulic power systems.

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Industrial Applications of Hydraulic Valves

Hydraulic valves are the logic layer of every fluid power system — directing, metering, protecting, and sequencing flow to transform pump output into controlled mechanical action. In construction they manage boom and bucket movement; in industrial manufacturing they control press cycles and clamping sequences; in mobile equipment they sequence multiple actuator functions simultaneously. HSC stocks one of the most comprehensive valve inventories in fluid power — from simple ball valves to complex cartridge and stack assemblies.

Hydraulic Valve Components Matter

A hydraulic valve failure doesn’t just stop a circuit — it can allow uncontrolled actuator movement or system overpressure in seconds. Valves engineered to SAE and ISO standards hold rated pressure, respond reliably to pilot and solenoid signals, and maintain consistent flow control across the duty cycle. HSC stocks valves from recognized manufacturers with specialists available to match the right valve to your circuit function, pressure rating, and mounting configuration.

Frequently Asked Questions

What is the difference between a relief valve and a pressure reducing valve?

A relief valve protects the entire system by opening to tank when pressure exceeds a set limit — it is a safety device on the pump outlet or circuit. A pressure reducing valve limits downstream pressure to a lower set value while allowing the main system to operate at full pressure. Use a relief valve to protect a circuit from overpressure; use a pressure reducing valve to create a lower-pressure secondary circuit within a higher-pressure system.

How do I know if my directional control valve is failing?

Common signs include sluggish or erratic actuator response, cylinder drift when commanded to hold position, excessive heat generation, and internal bypass noticeable as a loss of speed or force under load. A worn or contaminated directional control valve spool allows flow to bypass to tank rather than route to the actuator, reducing circuit efficiency progressively until the valve is replaced or rebuilt.

What is the advantage of a cartridge valve system over inline valves?

Cartridge valves thread directly into machined manifold cavities, eliminating fittings, hose segments, and the leak points between inline components. In multi-function circuits this translates to a significantly smaller, lighter assembly with fewer potential failure points. Manifold-based cartridge systems are also faster to service — individual cartridge elements can be replaced without disconnecting any external plumbing.

How do I select the right relief valve setting for my system?

Set the relief valve at the lowest pressure that allows the actuator to overcome its maximum load with adequate margin — typically 10–15% above the maximum working load pressure. Setting the relief too high wastes energy and generates unnecessary heat; setting it too low causes the valve to open during normal operation, limiting force output and accelerating wear. Always verify the selected setting against the rated pressure of every component downstream of the relief valve.

Does HSC stock hydraulic valves for same-day pickup or shipping?

HSC maintains one of the largest in-stock hydraulic valve inventories in the Southeast, covering all valve types across a broad range of pressure ratings, flow capacities, and mounting configurations. Same-day shipping is available on orders placed before 2pm EST, and with 40+ branch locations across the region, there is likely an HSC store near you with the valve you need already on the shelf.