1/4" NPT Nickel Plated Brass Air Compressor Tank Fill Valve

1/4" NPT Solid Nickel Plated Brass Air Compressor Tank Fill Valve

Keep your air compressor system sealed and operating at peak performance with this 1/4 Inch NPT Solid Nickel Plated Brass Air Tank Fill Valve. Built from high-quality brass with a durable nickel plating, this fill valve features a pre-installed core and a protective black plastic cap — ready to install straight out of the package.

Rated for a working pressure up to 2,000 PSI and a maximum of 300 PSIg, this valve is engineered to handle demanding compressor tank applications with confidence. The standard male NPT thread (6.35mm / 1/4") ensures broad compatibility with air compressor tanks, pneumatic systems, and related fittings.

Made in Mainland China.

Key Features

• Material: Solid brass with nickel plating for corrosion resistance and long-lasting durability
• Thread Type: 1/4" Male NPT standard thread — widely compatible with most compressor tanks
• Pre-installed Core: Comes ready-to-use with core and black protective cap included
• High Pressure Rated: 2,000 PSI working pressure; 300 PSIg maximum
• Compact Design: Total length of just 25mm for easy integration in tight spaces

Specifications

Package Contents

• 1 × 1/4" NPT Brass Air Tank Fill Valve (with installed core and black cap)

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For general guidance on safe use of compressed air equipment, refer to the OSHA Compressed Air Safety guidelines.

Learn more: Valve

Frequently Asked Questions

Q: What thread size does this air compressor tank fill valve use?

A: This fill valve uses a standard 1/4" Male NPT (National Pipe Thread) size, which measures 6.35mm in diameter. It is compatible with the vast majority of air compressor tanks and pneumatic fittings that use the NPT standard.

Q: What is the maximum pressure rating for this brass fill valve?

A: The core is rated for a working pressure up to 2,000 PSI, with a maximum pressure of 300 PSIg. Always ensure your system operates within these rated limits for safe and reliable performance.

Q: Does this valve come with the core and cap already installed?

A: Yes! The valve arrives with the core pre-installed and includes a black plastic protective cap, so it is ready to mount directly into your air compressor tank without any additional assembly required.

Q: Is this fill valve compatible with paintball tanks or pneumatic air systems?

A: This valve is designed for standard 1/4" NPT threaded connections common in air compressor tanks and pneumatic systems. As long as your tank or system uses a 1/4" NPT female port, this valve should be compatible. Always verify the thread specification before installation.