The 1/4" 800# A105 FS Piston Check Valve by Service Metal Products is designed for high-pressure systems, featuring a durable A105 carbon steel construction. Rated for 800 PSI, this valve effectively prevents backflow, ensuring system reliability. Its piston design allows for smooth operation and efficient flow control, making it suitable for various applications including water and oil transport. The valve is equipped with standard NPT connections for easy installation and adheres to ANSI standards, making it a dependable choice for industrial environments.