When you’re working with tanks, pumps, or plumbing systems around the farm, having the right cap can save you a lot of headaches. This 3-inch polypropylene cap seals off female NPT threads tight as can be, keeping dirt, debris, and moisture out of your system when ports aren’t in use. Whether you’re winterizing equipment or just need to cap off an unused connection, this little piece does a big job.
What You’re Getting
- Durable black polypropylene construction that won’t crack or fade in the sun
- Female NPT threads that screw on easy and seal up tight
- Chemical resistance that handles fertilizers, herbicides, and most ag chemicals
- 3-inch size perfect for larger spray systems and tank connections
Built for Real Farm Work
This cap fits right into spraying systems, tank setups, and irrigation equipment where you need to seal off 3-inch male NPT connections. It’s the kind of fitting you’ll find on spray booms, chemical tanks, and pumping systems where keeping things sealed matters for both performance and safety.
Made to Last
Polypropylene holds up to temperature swings, UV rays, and the chemicals you’re working with every day. This isn’t some flimsy plastic that’ll crack after a season—it’s built to handle the real conditions of farm work and keep doing its job year after year.
Good to Know
Installation is straightforward—just hand-tighten onto clean male NPT threads. If you’re storing equipment for the season, these caps are perfect for keeping moisture and critters out of your system. Keep a few extras around the shop because you’ll find more uses for them than you’d expect.
