Georg Fischer manufactures a ball check valve type used to prevent backflow in chemical process, water treatment, microelectronics, cooling process, and ship building applications. The company's ball check valves feature a nominal pressure of 150 psi or 240 psi, and a range from 3/8" to 2" (with PVC up to 3").

Virgo makes floating design and metal seated ball valves as well as trunnion mounted types. These are side entry, split body, full or regular bore valves with blowout proof stems and antistatic devices.

Kepner Products Company manufactures inline ball check valves that handle applications - where poppet style valves are not suitable, including contamination, viscous liquids and slurry-related applications. The company's ball check valves feature: flow to 25 GPM; an operating pressure of 3,000 psi; crack pressure of 1 to 3 psi; and end connections/size from 1/8" to 3/4" FPT. The valves are available with stainless steel or brass bodies.

C.I. Thornburg is a supplier of swing-type, gravity-operated ball check valves; and swing-type, lever and weight ball check valves. The valves' sizes range anywhere from 2 1/2" to 24", with each featuring a maximum working pressure ranging from 150 to 175 psig.

Authorized Parts Inc. is manufactures ball check valves and also supplies ball check valves manufactured by Hills-McCanna, Gulf Valve, Grove Valve, ITT Diaphragm Valves, ITT Grinnel Valves, and Saunders Valves.

Warren Alloy makes ball check valves in sizes from 1/2" to 2", operating at 800 to 1500PSI, made from alloy (carpenter) 20, A105, A182 F316, F316L, or A350 LF2 materials, with flanged and threaded ends including NPT, SW, or SWxNPT. These valves also include options such as trim changes, cryogenic ready, bleed holes, steam jackets, and more.

Jaeco manufactures stainless steel, ball check valves available in sizes 1/4" to 1" IPS. Featuring an operating temperature ranging from -15 to 650 F, and a maximum operating pressure of 2,500 psi; the company's ball check valves are usable on metering pumps, and as injection line check valves.

The Newdell Corporation makes Smith Valves ball check valves, such as the B80 ball check valve and SB80 spring ball check valve, available in sizes from 1/4" to 2" with a threaded or socket weld. These valves comply with API 602 and ASME B16.34 and is made from stainless steel, aluminum, and forged steel.

Swagelok makes sanitary ball check valves, in end sizes from 1/2" to 3", with 316L stainless steel construction for limited product backflow. The ball is made of polypropylene and the valve is 3-A compliant, with Buna N gaskets, and 304 stainless steel body clamps.

Richter makes ball check valves such as their CV series, with solid or hollow ball ISO, constructed of ductile cast iron EN-JS 1049, face to face size from 130 to 350mm, and a nominal size of DN15-100 with pressure of PN 16 and a flanged end ISO 7005-2 Type B.

FNW manufactures two types of check ball valves: a double union, PVC, ball check valve with NPT and SW ends; and a double union, CPVC ball check valve with NPT and SW ends. Both of the check ball valves have a maximum operating pressure of 150 psi. The CPVC model has a maximum operating temperature of 194 F, while the PVC model's maximum operating temperature is 122 F.

Valtorc supplies a series of ball check valves that require less than 1 psi pressure to operate, and can work in vertical or horizontal installations. The check valves are available in sizes ranging from 1/2" to 4".

Raritan Valve & Automation offers ball check valves from manufacturers such as Asahi/America, as well as check valves from CLOW, Kennedy Valve Company, Cameron, Nibco, Sharpe Valves, Definox, and more.

Watts makes the B6095, a two piece, threaded standard port one-way ball valve, with an integral check feature which transforms this into a ball check valve, pressure rated to 235psi CWP, made from polymer materials, and comes in sizes of 1/2 to 2 inches.

Danfoss makes Flomatic ball check valves in sizes from 1 to 6 inches, with their largest model, the 4082, operating with a pressure maximum of 150psi, temperature max of 180F, and is a ductile iron ball check valve, meeting AWWA C508 specifications, with flanged lay lengths of epoxy coating and flanged connections ANSI #125.