The Amflo Brass Plug 1/4 in. is a rugged, reliable solution for sealing pneumatic lines with precision. Built from durable brass, this plug stands up to regular use in the shop, garage, or on the job site, resisting corrosion and wear so you can depend on a tight seal when it matters most.
Key features
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Material: Solid brass for long-lasting durability and dependable performance in challenging environments.
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Connection: 1/4" MNPT thread (male) designed to screw into standard 1/4" FNPT ports, providing a secure, leak-free seal in your pneumatic system.
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Maximum pressure: Rated to handle up to 300 PSI, making it suitable for most air lines, compressors, and test setups.
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Package contents: 1 plug per package, ready to drop into your toolkit without extra fuss.
Why you’ll reach for this plug
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Temporary port blanking: Perfect for sealing off unused ports during maintenance, testing, or when swapping components in hoses, manifolds, or fittings.
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Leak testing and diagnostics: Use it to isolate sections of a system to pinpoint leaks or verify pressure retention without disassembly.
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Reliable performance under pressure: Brass construction and a robust NPT connection mean fewer cross-threading issues and a steadier seal than lower-cost plastics.
Installation and care tips
- Ensure the mating threads are clean and free of debris before installation for a smooth, square seal.
- Use a light thread sealant rated for pneumatic systems or a touch of Teflon tape on the male threads to enhance seal stability. Avoid over-torquing—hand-tight plus a snug final turn is usually sufficient.
- Depressurize the line before removing or reusing the plug to prevent sudden release of pressure and potential injury.
- Inspect the plug and threads periodically; replace if you notice cross-threading, galling, or cracks in the brass body.
Ideal for
- Workshop technicians, hobbyists, and HVAC/pneumatic installers who need a dependable 1/4" NPT plug to blank off ports or perform pressure tests.
- Applications in air compressors, manifolds, hoses, and tool assemblies where a compact, corrosion-resistant plug is essential.
Choose the Amflo Brass Plug 1/4 in. when you want a precise, durable solution that delivers a solid seal in standard 1/4" NPT pneumatic setups. Its brass construction, reliable MNPT thread, and practical size make it a practical addition to any toolkit focused on professional reliability and efficient maintenance.
