Danfoss designs and manufactures components for refrigeration and air conditioning applications, including a full line of piston stop check valves in connection sizes of 1/2” up to 5” with built-in damping chamber and a working pressure of 580 psig. Other stop check valves are also available.

Parker Hannifin's line of industrial check and isolation valves includes models like their CK-2D dual position gas powered suction stop check valves and their CK-6D dual position gas powered suction stop check valves. These heavy duty gas-powered valves are suitable for ammonia, R-22, and other refrigerants, certain oils and other fluids approved for use in refrigeration.

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.

GEA Refrigeration Technologies carries a variety of stop check valve models in sizes such as 1/2",3/4",1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4", 5" and 6". GEA stop-check valves can be supplied in angle and straight execution as stop, hand expansion, check and stop-check valve.

Weir Power Industrial offers a variety of non return and check valves including stop-check valves in a broad assortment of sizes from manufacturers like Hopkinsons. These valves feature general purpose isolation stopping, steam/fluid isolation and come in a wide array of sizes.

Authorized Parts Inc. offers a variety of valves from Lunkenheimer Valve Company including bronze whistle valves and stop check valves, also known as non-return valves. Stop check valves from Authorize parts are available at either 90-degree angle type or straight pattern globe type.

NIBCO is a manufacturer of a variety of valves and actuation equipment including cast iron stop check valves for use in commercial and industrial applications. Applications include HVAC, gas, steam, hot and cold water, and other utility services.

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".

The W.T.A Valve company manufactures spring loaded non-return-valve in straight type, y-type or corner-type; with flanges or buttweld ends; can be supplied in carbon steel 1.0619 (WCB), stainless steel 1.4408 (CF8M) and special materials.