The Specialty Manufacturing Co manufactures brass check valves, including a variety of brass piston, ball and poppet check valves in a broad selection of sizes for a wide range of applications.

Cole-Parmer offers a large variety of brass check valves with NPT connectors in 1/4", 3/8", 1/2", 3/4", and 1" sizes. These are manual brass check valves with max. temperature ratings of 180 F and max. pressure ratings of 200 PSI.

Matco-Norca is a manufacturer of lead free brass check valves. Models of brass check valves include threaded and sweat, BUNA-N, inline and foot.

Swegelok manufactures products used in a wide area of industries from alternative fuels and oil and gas, to semiconductor and biopharmaceutical applications. Swagelok offers a full line of poppet check valves with over 637 valve models available in a broad range of sizes from materials including aluminum and brass.

American Valve manufactures brass check valves like the M31 model with swing check and threaded ends. American Valve also offers brass spring check valves for vertical or horizontal inline use.

NIBCO manufactures brass check valves for general purpose plumbing and heating applications. Brass check valves from NIBCO are ideal for use in low pressure, domestic potable water systems, Models include the TI-3 brass check valve with threaded ends, 200 PSI operating range, NSF/ANSI 61-8 compliant and available in a size range of 1/2" to 3".

Pex Supply offers a variety of brass swing check valves in 1/2". 3/4"., 1", 1 1/4" and 1 1/2" sizes with solder ends or threaded ends from Hydrovalve, Matco-Norca and a variety of other manufacturers.

Dean Bennett Supply Co offers brass check valves including spring loaded check valves from heavy cast brass with hex ends. Dean Bennett Supply's selection of brass check valves includes single and 2 hole models in sizes from 1/2" up to 2".

Ningbo Kato International Trading Co Ltd offers brass check valves in a wide variety of configurations and in sizes including 1/2", 3/4", 1", 1-1/4", 2", 2-1/2", 3", and 4".

Zhejiang Kingsir Valves Co Ltd manufactures a variety of brass check valves including brass check valves with solder ends, spring brass check valves, inline brass check valves and filtered brass check valves in sizes from1/2" to 4".

Circle Valve Technologies, Inc. is a distributor of valve products from a variety of manufacturers. Available products include brass check valves designed for high pressure service such as the 2300 series featuring resilient o-ring and single piece design.

Commercial Industrial Supply offers brass swing check valves from NSF. These valves have no handle for control. Sizes range from 1/2" to 2" and are available in IPS 200.