--- title: The Most Reliable Fluid Control in the Galaxy | The Lee Company --- [![TheLeeCo\_logo\_PMS\_185-425](https://info.theleeco.com/hubfs/TheLeeCo_logo_PMS_185-425.svg "TheLeeCo_logo_PMS_185-425")](https://www.theleeco.com/) Open main menu Close main menu # The Most Reliable Fluid Control in the Galaxy Engineered for spaceflight. Trusted everywhere. [Learn More](https://info.theleeco.com/most-reliable-fluid-control-in-space#anchor-1) Watch the **Mission Video** Your browser does not support HTML5 video. ## Your Expert Partner in space. --- We make it our mission to solve the toughest fluid control problems in space and beyond. Whether you’re an industry mainstay or New Space start-up, we’re ready when you are. We bring the parts (and people) you need to power tomorrow’s technology. - ![Supporting 250 Companies\_Black 2](https://info.theleeco.com/hs-fs/hubfs/Supporting%20250%20Companies_Black%202.png?width=251&height=250&name=Supporting%20250%20Companies_Black%202.png) - ![500K Delivered\_Black 3](https://info.theleeco.com/hs-fs/hubfs/500K%20Delivered_Black%203.png?width=250&height=250&name=500K%20Delivered_Black%203.png) - ![Tested for SPACEFLIGHT\_Black 2](https://info.theleeco.com/hs-fs/hubfs/Tested%20for%20SPACEFLIGHT_Black%202.png?width=250&height=250&name=Tested%20for%20SPACEFLIGHT_Black%202.png) ## We (really) love space. --- You don't get into the space business without being *a little* obsessed with the impossible. Like you, we're fueled by a deep excitement for engineering the extraordinary. ## Solutions BUILT FOR ORBIT & BEYOND --- When failure is not an option, chart the course between vision and velocity with Lee precision fluid control components. Power the success of your mission with our broad portfolio of space-proven components. [Product Finder](https://www.theleeco.com/product-finder/?filters[industry]=28) - Isolation Solenoid Valves - Safety Screen Filters - Fill and Drain Valves - Check Valves - Pressure Relief Valves - Plugs - Flow Restrictors - Additional Products [![Space\_Products](https://info.theleeco.com/hs-fs/hubfs/Space_Products.png?width=1818&height=500&name=Space_Products.png "Space_Products")](https://www.theleeco.com/product-finder/?filters[industry]=28) # Improving Efficiencies in Satellite Propulsion Systems Discover how cutting-edge components work together to deliver precision, power, and control. [Your Mission Starts Here](https://leeinorbit.com/) ## Space Insights Created by engineers, for engineers—our space insights and resources offer technical guidance to support your propulsion and fluid control challenges from launch systems to [satellite propulsion](https://www.theleeco.com/insights/what-is-satellite-propulsion/). [![Satellite Propulsion](https://info.theleeco.com/hubfs/Satellite%20Propulsion.jpg "Satellite Propulsion")](https://www.theleeco.com/insights/how-the-space-industry-ramps-up-to-launch-58000-satellites-by-2030/) ##### How the Space Industry Ramps up to Launch 58,000 Satellites by 2030 The new space economy is rapidly expanding. As demand booms, satellite providers must make strategic decisions on how to ramp up capacity without compromising on reliability. [View Insight](https://www.theleeco.com/insights/how-the-space-industry-ramps-up-to-launch-58000-satellites-by-2030/) ![Satellite-Constellation\_vl-v2-768x512](https://info.theleeco.com/hubfs/Satellite-Constellation_vl-v2-768x512.webp "Satellite-Constellation_vl-v2-768x512") ##### Keeping Satellite Constellations in Orbit A satellite constellation is a group of satellites that work together to provide the Earth with services such as global internet, weather monitoring, and Earth observation. While the basic idea of a constellation is straightforward, the technology that brings these networks to life is impressively intricate. Learn about the key technical ingredients.  [View Insight](https://www.theleeco.com/insights/keeping-satellite-constellations-in-orbit/?back=referrer) ![Satellite-Propulsion-2\_vl-768x512](https://info.theleeco.com/hs-fs/hubfs/Satellite-Propulsion-2_vl-768x512.webp?width=768&height=512&name=Satellite-Propulsion-2_vl-768x512.webp "Satellite-Propulsion-2_vl-768x512") ##### How to Avoid FCC Fees for Space Debris and Help Save Low Earth Orbit Since the earliest days of space exploration, satellites have relied on propulsion systems to navigate the silent vacuum of space and perform critical maneuvers in orbit. [VIEW INSIGHT](https://www.theleeco.com/insights/comprehensive-overview-of-satellite-propulsion-systems/?back=referrer) ![New-Glenn-1](https://info.theleeco.com/hs-fs/hubfs/New-Glenn-1.jpg?width=2000&height=1333&name=New-Glenn-1.jpg "New-Glenn-1") ##### Treating New Space Like Formula One New Space companies require constant, detailed customer support. They are fighting the clock to achieve performance milestones before funding runs out.  [View Insight](https://www.theleeco.com/insights/treating-new-space-like-formula-one/?back=referrer) ## tell us how we can assist with your next mission ![Red-divider-chevron](https://info.theleeco.com/hubfs/Red-divider-chevron.svg "Red-divider-chevron") We've been partnering with space companies for over sixty years. Our team gets it. It's the reason why we work with over 250+ companies on all types of missions. Fill out this form to share what you're working on and how we can help. Let's partner together to achieve the extraordinary.  ![TheLeeCo\_logo\_white](https://info.theleeco.com/hubfs/TheLeeCo_logo_white.svg "TheLeeCo_logo_white") [Follow us on Facebook](https://www.facebook.com/TheLeeCo) [Follow us on LinkedIn](https://www.linkedin.com/company/the-lee-company/) [Follow us on Instagram](https://www.youtube.com/user/TheLeeCoTV) [Follow us on Twitter](https://twitter.com/TheLeeCo) ###### COPYRIGHT © 2025, ALL RIGHTS RESERVED #### About - Menu Item One - Menu Item Two - Menu Item Three #### Services - Menu Item One - Menu Item Two - Menu Item Three #### News - Menu Item One - Menu Item Two - Menu Item Three Follow us on Facebook Follow us on LinkedIn Follow us on Twitter Follow us on Instagram