The 3" Check Valve with Spring is a versatile and durable solution for fluid control, designed for long-lasting performance in demanding environments. Constructed from PVC-U, it offers resistance to many inorganic chemicals, ensuring longevity. With flexible installation options, it can be mounted both vertically and horizontally, adapting to different system layouts. The valve is equipped with EPDM O-rings for reliable sealing and has been 100% factory tested for assured quality. Its excellent flow characteristics minimize pressure drop, and the female solvent socket/NPT female thread end connections provide secure installation. Ideal for water treatment, chemical processing, and industrial applications.