4-Pack 1/4" NPT Solid Brass Air Compressor Tank Fill Valve
4-Pack 1/4" NPT Solid Brass Air Compressor Tank Fill Valve
4-Pack Solid Brass Air Compressor Tank Fill Valves – 1/4" NPT MPT
Keep your air compressor system running at peak performance with these heavy-duty solid brass tank fill valves. Designed for DIY enthusiasts and professional technicians alike, this set of four 1/4" NPT male thread valves offers a dependable, leak-resistant seal rated for demanding working pressures. Whether you're topping off a portable tank or maintaining a workshop compressor, these valves deliver lasting reliability.
Made in Mainland China.
Key Features
- Solid Brass Construction: Copper alloy body ensures excellent corrosion resistance and long-term durability
- High-Pressure Rated: Core rated to 200 PSI working pressure and 300 PSI maximum — built for serious use
- Protective Black Plastic Cap: Included cap keeps the valve core clean and debris-free when not in use
- Standard 1/4" NPT Male Thread: Compatible with the vast majority of air compressor tanks and pneumatic fittings
- Compact & Precise: Total length 1.00", thread length 0.410", stem length 0.450", hex body 9/16"
- Value Pack of 4: Stock up and always have a spare on hand for repairs or replacements
Specifications
| Material | Copper Alloy (Solid Brass) |
| Thread Type | 1/4" NPT Male (MPT) |
| Hex Body | 9/16" |
| Total Length | 1.00" (approx.) |
| Thread Length | 0.410" (approx.) |
| Stem Length | 0.450" (approx.) |
| Working Pressure | 200 PSI |
| Max Pressure | 300 PSI |
| Quantity | 4 Pieces |
| Origin | Mainland China |
What's in the Box?
- 4 × 1/4" NPT Solid Brass Tank Fill Valves (with black plastic caps)
Perfect For
- Home DIY air compressor repairs and maintenance
- Workshop pneumatic system upkeep
- Replacement of worn or leaking tank valves
- Spare parts inventory for technicians and mechanics
Looking for more useful tools and hardware? Check out our Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar and our Electromagnetic Induction Tester – Coil & Circuit Fault Detector to complete your workshop toolkit.
Note: Actual color may vary slightly from images due to monitor settings and lighting conditions. Please allow minor measurement tolerances for all listed dimensions.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What thread size do these air compressor tank fill valves use?
A: These tank fill valves feature a standard 1/4" NPT (National Pipe Thread) male thread (MPT), making them compatible with most air compressor tanks and pneumatic fittings that use the NPT standard.
Q: What is the maximum pressure rating for these brass tank fill valves?
A: The valve core is rated for a 200 PSI working pressure and can handle a maximum of 300 PSI, making them suitable for most home and workshop air compressor applications.
Q: Are these valves easy to install without professional tools?
A: Yes. The 9/16" hex body allows for easy installation with a standard wrench. Simply thread the 1/4" NPT male fitting into your compressor tank port, tighten securely, and you're ready to go — no specialized tools required.
Q: How many valves are included in this pack?
A: This listing includes a set of 4 solid brass tank fill valves, each with a protective black plastic cap — great value for stocking spares or completing multiple repairs at once.