Georg Fischer offers check valves in multiple configurations, including angle seat, ball, gate, and needle types. Angle seat check valves feature PN 10 nominal pressure and PVC and ABS materials. Ball styles are self closing and self cleaning, and come in various materials and end connections. Gate types are PVC wafer designs with vertical or horizontal mounting.

Ryan Herco Flow Solutions offers flow control check valves. Their Techno line offers plain end, threaded end, wafer style, flanged end, and victualic end styles. Their Spears line includes ball, disc and swing check valves. Plastomatic styles are offered in diaphragm and spring configurations.

Adamant manufactures a variety of sanitary check valves in various materials, a size range from 1 to 6 inches, and types such as welded, clamp and threaded. Their product line includes sanitary threaded, sanitary clamp, sanitary welded, sanitary three piece flanged and sanitary union check valves.

PVI manufactures and designs a series of vacuum check valves that allow high vacuum flow in one direction while preventing return flow in the other direction. These products can also be used as non-return values for maintaining vacuum in vessels.

Offering a wide variety of aspetic and sanitary products, Aomi provides check valves for stainless steel piping systems to prevent backflow.