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 Male Thread
Keep your air compressor system airtight and ready for action with these heavy-duty solid brass tank fill valves. This set of 4 pieces features a standard 1/4" NPT male thread (MPT) and is built to handle demanding pressures — rated to 200 PSI working pressure and a maximum of 300 PSI. Whether you're a seasoned DIYer, a home workshop enthusiast, or a professional, these valves deliver reliable performance and long-lasting durability.
Made in Mainland China.
Key Features
- Solid Brass Construction: Copper alloy (brass) body ensures excellent corrosion resistance and long service life.
- High-Pressure Rated: Core rated to 200 PSI working pressure, 300 PSI maximum — suitable for most standard air compressor tanks.
- Standard 1/4" NPT Male Thread: Easy, universal fit for most compressor tanks and air fittings.
- Protective Black Plastic Cap: Included cap keeps the valve core clean and dust-free when not in use.
- Compact & Precise Dimensions: Total length approx. 1.00", thread length approx. 0.410", stem length approx. 0.450", hex body approx. 9/16".
- Pack of 4: Great value — have spares on hand for multiple tanks or future maintenance needs.
Specifications
| Material | Solid Brass (Copper Alloy) |
| Thread Type | 1/4" NPT Male (MPT) |
| Hex Body | 9/16" |
| Total Length | ~1.00" |
| Thread Length | ~0.410" |
| Stem Length | ~0.450" |
| Working Pressure | 200 PSI |
| Max Pressure | 300 PSI |
| Quantity | 4 Pieces |
| Origin | Mainland China |
Package Contents
- 4 × Tank Fill Valves (with protective caps)
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Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances for all listed dimensions.
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Frequently Asked Questions
Q: What thread size are these air compressor tank fill valves?
A: These tank fill valves feature a standard 1/4" NPT male thread (MPT), which is one of the most common thread sizes used on air compressor tanks, making them compatible with a wide range of compressor systems and fittings.
Q: What is the maximum pressure these brass tank fill valves can handle?
A: The valve core is rated to a 200 PSI working pressure with a maximum pressure of 300 PSI, making them suitable for most standard home and workshop air compressor tanks.
Q: Are these valves easy to install yourself?
A: Yes! The standard 1/4" NPT male thread allows for straightforward installation using a wrench on the 9/16" hex body. They are designed for home DIY use and can be installed without special tools. Always ensure the tank is fully depressurized before installing or replacing any valves.
Q: Why are 4 valves included in the pack?
A: The 4-piece pack provides excellent value — you'll have enough valves for multiple tanks, replacement purposes, or workshop stockpiling so you're never caught short during a project.