Description
When you’re running air-powered equipment on your tractor or in your shop, you need to be able to shut off air flow quickly and reliably. Whether it’s for pneumatic controls on your planter, air brakes on a trailer, or shop tools that need an emergency stop, this John Guest shut-off valve gives you that control right where you need it. Built tough enough for farm work but precise enough for critical applications.
What You’re Getting
- 3/8 inch NPTF male threads on both ends for secure, leak-free connections
- Compact design fits in tight spaces without adding bulk to your setup
- Simple manual operation – just turn to open or close the air flow
- John Guest quality construction that handles pressure and vibration
- White polymer body that won’t rust or corrode like metal fittings
Built for Real Farm Work
This valve works great in pneumatic systems on modern tractors and agricultural equipment. You’ll find it handy for air-powered planters, spray equipment with air assist, pneumatic controls on tillage tools, and anywhere you need to isolate sections of your air system for maintenance or emergency shutdown.
Made to Last
John Guest has been making quality pneumatic fittings for decades, and this valve is built to the same standards. The polymer construction resists chemicals, won’t corrode in harsh conditions, and handles the temperature swings you get in farm equipment. The internal seals stay flexible and maintain their grip even after thousands of cycles.
Good to Know
The NPTF threads seal metal-to-metal without needing pipe compound or tape, though a little thread sealant never hurts for extra insurance. Make sure your air system is depressurized before installing. If you’re running higher pressures, double-check that this valve’s rating matches your system requirements.



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