Description
Anyone who’s dealt with a leaky sprayer knows the frustration—chemical dripping where it shouldn’t, uneven application, and wasted product. When your check valve starts acting up, it’s often the diaphragm that’s given up the ghost. This Viton replacement diaphragm gets your TeeJet check valve sealing tight again, so you can get back to applying chemicals where they belong.
What You’re Getting
- Premium Viton construction that stands up to harsh chemicals and temperature swings
- Precise fit for TeeJet check valves—no trimming or modifications needed
- Superior chemical resistance compared to standard rubber diaphragms
- Flexible seal that maintains proper valve operation under pressure
Built for Real Farm Work
This diaphragm works in TeeJet check valves found throughout sprayer boom systems. Whether you’re running a pull-behind field sprayer, a three-point hitch unit, or a self-propelled machine, these check valves prevent drip and backflow when sections shut off or pressure drops.
Made to Last
Viton is the gold standard for agricultural applications because it won’t break down from contact with herbicides, fungicides, or liquid fertilizers. While cheaper rubber diaphragms might last a season or two, this Viton piece keeps sealing year after year, even with tough chemicals like 2,4-D or glyphosate.
Good to Know
Replacing the diaphragm is straightforward—just unscrew the valve cap, pull out the old diaphragm, and press in the new one. Keep the valve body clean during replacement, and check that the diaphragm seats properly before reassembly. It’s smart to keep a spare or two in your parts box for busy spray seasons.






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