Description
When you’re spraying fields and the pressure drops as you turn off sections, you need your spray system to hold its pressure properly. That’s where a good check valve comes in—it keeps solution from flowing backwards through your lines and prevents dripping from nozzles after you shut down. This TeeJet brass check valve does exactly that job, making sure your spray pattern stays consistent.
What You’re Getting
- Solid brass construction that won’t corrode from agricultural chemicals
- Reliable diaphragm design that opens and closes cleanly with pressure changes
- 3/8 inch connections that fit standard agricultural spray plumbing
- Precision-machined threads that seal tight and don’t strip out over time
Built for Real Farm Work
This check valve is designed for agricultural spray booms, field sprayers, and tank systems where you need to control chemical flow direction. Whether you’re running herbicides, insecticides, or liquid fertilizer, this valve keeps your system working the way it should. It’s the same type of component TeeJet has been manufacturing for farm spray equipment for decades.
Made to Last
Brass construction means this valve can handle the harsh chemicals and temperature swings that come with farm spraying. The internal diaphragm is built to cycle thousands of times without wearing out, and the brass body won’t crack or degrade like plastic alternatives might in the sun and weather.
Good to Know
Installation is straightforward with standard NPT pipe threads—just thread it into your system where you need flow control. Make sure to install with the arrow pointing in your desired flow direction. A quick tip: when rebuilding your sprayer each season, it’s worth checking that your check valves are still sealing properly to avoid uneven spray patterns.






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