Description
Every hydraulic and pneumatic system needs open ports sealed up tight to keep things running clean and prevent contamination. Whether you’re setting up a new valve block, plugging unused ports on a manifold, or just keeping dust and dirt out of hydraulic lines during maintenance, this 3/4-inch NPT cap does the job right. It’s one of those simple parts that saves you headaches down the road.
What You’re Getting
- Heavy-duty steel construction that stands up to high-pressure hydraulic and pneumatic systems
- Rated for 4800 PSI operating pressure—handles even the most demanding agricultural applications
- Standard 3/4-14 female NPT threads for easy installation on most hydraulic components
- 1-1/4 inch hex design lets you get a good grip with standard wrenches for tight, secure installation
Built for Real Farm Work
This cap works with the hydraulic systems found on tractors, loaders, mowers, and other farm equipment that use NPT threaded fittings. You’ll find 3/4-inch NPT connections on hydraulic valves, manifolds, and equipment like log splitters and hydraulic control valves. Whether you’re running a utility tractor with a loader or operating heavy implements that need high-pressure hydraulics, this cap keeps unused ports sealed and your system clean.
Made to Last
AgSmart builds these caps from quality steel that handles the pressure swings and temperature changes that come with hydraulic work. The threads are precision-cut to ensure a tight seal without cross-threading, and the cap won’t crack or fail when you need it most. This isn’t a lightweight substitute—it’s built for the long haul.
Good to Know
Threading this cap in is straightforward, but don’t forget to use thread sealant or tape to ensure a leak-proof seal. The 1-1/4 inch hex gives you plenty of wrench contact for proper tightening without over-torquing. Keep a few of these on hand for system maintenance—they’re handy for temporary plugging during repairs or permanent sealing of unused ports.
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