Flowserve offers the Edward Univalve brand of stop-check valves. These valves are ideal for applications such as geothermal heat recovery steam generators, condensate cooling water, high temperature service, high pressure safety injection, hydrocracking, utility, petroleum production and refining, hydrocarbon processing and shutdown cooling. Models are available in class 1690, 2680 and 4500 in sizes 1/2 to 4 inches.

Sempell AG manufactures isolation valves including stop check valves for a variety of applications. Models include the HP series stop check valve and specialty isolation valve with pressure ratings of PN 500 class 2680. Sempell's stop check valves com in sizes ranging from 1/25" to 3".