Solid Brass Tank Fill Valve 1/4" NPT Air Compressor – 4 Pack
Solid Brass Air Compressor Tank Fill Valve – 4-Pack | 1/4" NPT (MPT)
Keep your air compressor system sealed, secure, and ready to perform with these solid brass tank fill valves. Designed for a standard 1/4" NPT (Male) thread, this 4-pack is ideal for home DIY projects, workshop compressors, and general pneumatic maintenance. Each valve features a durable copper alloy body and a protective black plastic cap to keep the core clean when not in use.
Why Choose These Tank Fill Valves?
- High-Pressure Rated: Core rated to 200 PSI working pressure with a maximum rating of 300 PSI — built to handle demanding compressor applications.
- Solid Brass Construction: Made from a robust copper alloy for excellent corrosion resistance and long-lasting durability.
- Standard 1/4" NPT Thread: Compatible with most air compressor tanks using standard Male NPT (MPT) fittings — easy, tool-friendly installation.
- Compact & Precise: 9/16" hex body for a secure wrench grip; total length just 1.00" for a clean, low-profile fit.
- Protective Cap Included: Black plastic cap keeps the valve core free from debris and dust between uses.
- 4-Pack Value: Get four valves in one purchase — perfect for replacements, repairs, or stocking your workshop toolbox.
Product Specifications
| Material | Solid Brass (Copper Alloy) |
| 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 Pcs |
Package Contents
- 4 × Solid Brass Tank Fill Valves (with black plastic caps)
Made in China.
Looking for more tools and DIY accessories? Check out our Air Compressor Pressure Gauge 0–25 Bar | DIY Tool and our 360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit for more workshop essentials.
Note: Actual color may vary slightly from images due to monitor display settings. Please allow minor measurement tolerances for all listed dimensions.
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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 (Male/MPT) thread, making them compatible with most common air compressor tanks and pneumatic fittings that use standard NPT connections.
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 a 300 PSI maximum pressure, making them suitable for most home and workshop air compressor tanks.
Q: Are these valves easy to install without special tools?
A: Yes. The 9/16" hex body is designed for a standard wrench, allowing straightforward hand-tool installation. Simply thread the 1/4" NPT stem into your compressor tank port and tighten securely.
Q: How many valves are included in one purchase?
A: Each order includes 4 solid brass tank fill valves, each with a protective black plastic cap — great for replacements, repairs, or keeping spares on hand.