Keckley Company manufactures and supplies wafer silent check valves and wafer double disc check valves. The wafer silent check valves are available with cast iron, carbon steel, or stainless steel bodies, and are installed between ASME Class 125, 150, 250, or 300 flanges. The wafer double disc check valves are available in the same body types as the silent check valves, and in sizes from 2 inches to 48 inches. The valves also feature working pressures of 150 psi or 200 psi at 150F; 285 psi, 275 psi, 720 psi, or 740 psi at 100F.

DFT Inc. manufactures a line of wafer check valves that feature an in-line, spring-assisted design, or a compact, lightweight insert design. The company's largest line of wafer valves - the WLC series - are available in sizes of 1", 1-1/2", 2" to 8", and 10", and in classes of 150 or 300. The WLC wafer valves feature cracking pressure ranging from 0.17 psig to 0.66 psig.

Watts Water Technologies Inc. designs and manufactures wafer style butterfly valves and cast iron wafer check valves in sizes ranging from 2 inches to 12 inches. The check valves feature maximum pressure of 200 psi and are used in commercial and industrial HVAC applications. The butterfly valves are available as domestic or import models, and are used in HVAC, irrigation, OEM, commercial, and institutional applications. These valves also feature a pressure rating of 200 psi.

Champion Valves Inc. is a manufacturer of spring-loaded dual and single disc, wafer style check valves. The dual disc, wafer check valves are available in sizes from 2" to 72", and in ASME Class 125-2500. The single disc, wafer check valves come in 2" to 48" sizes, and ASME Classes 125-600. Both valve types are suitable for clean liquid, gas and slurry applications.

Mueller Steam Specialty manufactures a variety of wafer-style valves including butterfly valves, cast iron butterfly valves, Class 125 cast iron check valves, ductile iron butterfly valves, and silent check valves. The wafer silent check valves are available in Class 150, Class 300, and Class 600 cast stainless steel or cast carbon steel; along with Class 150 or Class 300 bronze.

Metraflex manufactures wafer-style silent check valves available in standard sizes from 2" through 10". Rated to 125lb. and 250lb. flange class, the valves feature a cast iron body with bronze or stainless steel trim. Intended for liquid service only, the valves also feature working pressure of 200 psi or 400 psi @ 150F.

Flowserve supplies Slimseal wafer-type butterfly valves manufactured by Serck Audco. The valves feature an integrally-bonded elastomer liner, and are available with a flangeless or lugged body, in sizes from 50-600mm, and with a pressure rating of up to PN 16.

Colton Industries manufactures silent check valves with cast iron wafer, cast carbon steel wafer, and cast stainless steel wafer bodies. The various valves feature a number of maximum operating pressures including 400 psi @ 150F, 250 psi @ 400F, 200 psi @ 150F, 150 psi @ 400F, 650 psi @ 250F, and 740 psi @ 100F. The company also produces twin door check valves with cast iron wafer bodies available in sizes from 2" to 12" and 14" to 24" - with maximum operating pressure of 125 psi or 175 psi @ 150 F.

Valve Solutions Inc. manufactures and distributes wafer-style 2-way and 3-way butterfly valves in sizes ranging from 2" to 30". The valves feature four alignment holes and are suited for on-off or throttling services. The company also produces wafered 2-way V-ball valves with actuators.

Industrial Pipe & Supply Co. Inc. distributes wafer-style butterfly valves available in 2 inch to 10 inch sizes. The valves are for general purpose use and for on-off or throttling service, and feature a 17-4PH stainless steel stem that eliminates twisting. The company also stocks Watts-brand butterfly valves.

Crispin-Multiplex Mfg. Co. produces wafer silent check valves that feature a cast iron body, a maximum temperature rating of 150F, and ANSI Class 125 and Class 250. Used for potable water or drip tight applications, the valves are fully automatic, spring loaded and double guided. The valves are available in sizes 2"-10".

Matco-Norca Inc. manufactures a line of wafer-style butterfly valves that include double stem wafer only valves that feature a cast iron body, maximum operating pressure of 200 psi, and a 10-position lever handle. These valves are available in sizes ranging from 2" to 10".

Pentair distributes Keystone-brand wafer-style resilient seated butterfly valves available in sizes ranging from 2" to 48". The various wafer valves feature working pressure of 150 psi up to 250 psi, and working temperature from -40 up to 350F.

Flomatic manufactures wafer-style butterfly valves and electric actuated butterfly valves, along with wafer check valves. The butterfly valves are available in 2" to 12" sizes and used for flow regulation within large pipe diameters. The wafer check valves are available in 1/2" to 24" sizes, and feature maximum pressure of 200 psi, and maximum temperature of 180F. The valves are also available with cast iron body, epoxy coating, and split disc design.

Bray International manufactures wafer-style butterfly valves including resilient seated, double offset HP, and triple offset metal types. The valves are available in 1" -120", 1-1/2"-60", and 3"-60" sizes depending on model. The resilient seated butterfly valves feature maximum operating pressure of 250 psi. The company also produces Check Rite wafer check valves in 1"-60" sizes.