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Flow Metering Valves

Flow Metering Valves for Other Industries

Compact Size, High Performance

Compact products are increasing in popularity, but many manufacturers struggle to squeeze hydraulic components into smaller and smaller housings. The Lee Company offers a range of valves with additional functionality for applications when a basic flow restrictor is not enough to meet this need. As with most Lee valves, they are robust products with precise performance in miniature, lightweight envelopes. They are available in a variety of sizes and configurations to meet the specific needs of an application.

Lee restrictor check valves combine the function of a restrictor in series with a check valve into one miniature package. This provides considerable size and weight savings with no loss in performance. Lee directional flow controls provide metered flow in one direction and free flow in the opposite direction. Lastly, dual metering flow controls offer different metered flow rates in each direction. By contrast, Lee Floserts – while still incredibly small and lightweight – provide a constant flow over a wide range of differential pressures by incorporating both fixed and variable metering orifices.

In short, Lee flow metering valves generally combine the function of two components in a single package. Still, they can provide functionality that’s greater than the sum of its composite parts. No matter which component you choose, Lee flow metering valves are robust, reliable products offering precise performance in miniature, lightweight envelopes. They are available in a variety of sizes and configurations to meet your needs.

If nothing off the shelf is perfect, over half of the products we supply are designed for the unique needs of a specific application. Flow metering valves can be designed in custom envelopes and configurations with customized pressure and flow rates, leakage specifications, materials, and more. Contact your local Lee Sales Engineer to discuss your specific needs.

Restrictor Check Valves

Lee restrictor check valves are miniature valves that provide metered flow in one direction and no flow in the other direction. These components are functionally equivalent to a check valve in series with a flow restrictor. Combining these two products in a single package equates to significant savings in size, weight, and cost. The components are available standard in a wide range of metered Lohm rates. Some include an integral safety screen to protect the orifice.

Flow Control Valves

Lee directional flow controls provide metered flow in one direction and free flow in the opposite direction. Occasionally referred to as “one-way restrictors,” these components are functionally equivalent to a check valve parallel with a flow restrictor. They are available in a wide range of diameters and Lohm rates, with options rated up to 8000 psi. Again, these flow controls allow manufacturers to achieve multidimensional savings by combining two components.

Dual Metering Flow Control Valves

The Lee Company’s dual metering flow control valves are 2-way restrictors that allow a designer to specify a different metered flow rate in each direction. These valves are ideal for high-pressure hydraulic applications with system pressures up to 5000 psi. They feature all stainless-steel construction for durability and long life and are available in 0.187 and 0.281 inch diameter models. Each Lee Dual Metering Flow Control is 100% tested in both flow directions to ensure reliable, consistent performance.
Because each direction can be specified differently, our dual metering flow controls can achieve a nearly infinite combination of metered flow rates. All these components are supplied as custom items to meet the specific needs of an application.

Flosert Flow Regulators

For advanced aerospace applications, manufacturers may wish to consider Lee Floserts. This is a pressure compensated flow control – in other words, the flow will remain constant across a wide range of differential pressures. A variable metering orifice automatically adjusts by sensing the flow rate in terms of differential pressure across a fixed orifice. Metered flow rates from 0.01 GPM up to 5 GPM are available. Floserts are available with the Lee locking end for installation in diameters from 0.250 to 0.500, as well as a 0.687 inch threaded configuration. High-pressure versions for operating pressures up to 5000 psi are available.

Support & Resources

Support & Resources from a Team that Speaks Your Language

Partner with The Lee Company and get much more than just a supplier of top-quality fluid control products. Our reliable technical support team is available every step of the way to help you find solutions, maximize productivity, and drive efficiency across your operations. Check out these resources tailored to your industry to learn more.