CSPARKV 2 Pcs Check Valve 1/4" Hexagonal Air Check Valve, One Way Check Valve, For Boiler Pressure Tank

Excellent Brass Material: The valve body is cast with brass material to be healthy and environmentally friendly, explosion-proof and pressure-resistant, and extend the service life.

Pressure and Corrosion Resistance: Pressure and corrosion resistance, brass valve body, sufficient weight, good sealing, safe and firm.

Practical Design: With 1/4 inch internal thread interface, suitable for pipe thread sizes that meet market specifications.

Good Performance: This is a one-way valve that prevents backflow and provides excellent airtightness, used for boilers and pressure vessels, petroleum, chemical, food and other industries.