Georg Fischer supplies a line of metal butterfly valves and spare parts amongst other valves and actuators. The lineup is comprised of wafer, lug with hand lever or reduction gear with hand-wheel, electric wafer with or without a manual override, pneumatic wafer, electric lug without a manual override, and pneumatic lug butterfly valves without a manual override.

Asahi/America manufactures a variety of butterfly valves. They offer a wafer style, 2"-10", lever and gear model, and an industrial grade lever 1 1/2"-8" and gear 8"-14" model. Large size industrial grade, 18"-24" gear butterfly valves are available. Asahi also makes dampers and pool valves for chlorinated water. Their PDCPD giant butterfly valve comes in a large diameter 28"-40" gear style. Asahi butterfly valves are manufactured for mines, landfills, chemical processing plants, water and wastewater treatment plants, swimming pools and aquariums.

BVC butterfly valves offer manual resilient seated, automated resilient seated, manual high performance, automated high performance, teflon seated, triple eccentric, and AWWA 3" to 24" and 14" to 144" butterfly valves. Manual and automated high performance valves come in sizes of 2.5" through 36" with bi-directional bubble tight shutoff in wafer or lug styles. Manual and automated resilient seated butterfly valves come in sizes 1.5" through 48" in wafer, lug and double flanged styles. Triple eccentric valves come ins sizes 3" through 24" in triple eccentric, wafer lug, and gate valve face to face styles. The AWWA models offer double flanged and mechanical joint styles.

DynaQuip Controls has been a butterfly valve manufacturer for over 40 years. They offer sizes from 1" to 48", lug or wafer styles, stainless steel bodies, aluminum, cast iron or ductile iron, and a variety of disc materials from ductile iron to teflon encapsulated. Their manual butterfly valves come in a 340/342 Series with nylon coated disk. The 500/522 Series are resilient seated valves. The 600/622 Series are cartridge seated economy valves. The 899/892 Series are split wafer design. The High Seal Series is a high performance butterfly valve. DynaQuip also manufactures electrically and pneumatically actuated butterfly valves.

Johnson Controls manufactures a wide variety of butterfly valves, including commercial grade electrically and pneumatically actuated assemblies (two and three way non-spring return), industrial grade standard performance electrically and pneumatically actuated butterfly valve assemblies (two and three way), industrial grade high performance electrically and pneumatically actuated assemblies (two way non-spring return), and industrial grade standard performance manually actuated butterfly valve assemblies (two way non-spring return).

Swagelok offers fluid system components, such as butterfly valves for sanitary applications, to such markets as alternative fuels, analytical instrumentation, biopharmaceutical, chemical/petrochemical, food and beverage, oil and gas, power, pulp and paper, shipbuilding, semiconductor and process instrumentation. Sanitary butterfly valves offered include manual or pneumatic actuation and Kwik-Clamp, tube butt weld, and Acme threaded end connections. Specifications include maximum working pressures up to 145 psig (10.0 bar), maximum temperature rating of 250°F (121°C), stainless steel body materials, and silicone, EPDM, and fluorocarbon FKM seal materials. End connection sizes come in 1" to 4". On manual butterfly valves multi-position and two-position handles are available.

Triad Process Equipment is a ball valve manufacturer whose products are certified to ISO 9002 and are registered for use in Canada, conforming to standards set by the Canadian Technical Standards and Safety Authority. The Triad Series 750 butterfly valves have a cartridge seat design for improved ease of installation. They come in a manual type, 2" through 24", providing a low torque seal every time the valve is cycled. The Series 750 also comes in a pneumatic type, lugged or wafer style, with a spring return or double acting, 2" through 16". The Series 700 is an electric butterfly valve that comes in either lugged or wafer style, 2" through 16". Triad butterfly valves come in all AC and DC voltages and come standard with auxiliary limit switches, heaters and thermostats.

Bray International Inc. distributed 2 way and 3 way butterfly valves in wafer and lug style bodies. The Series 31 is comprised of automated butterfly valves is available in a lug or wafer style body with a thin profile disc and stem design. Its 2 way valves are characterized by an equal percentage flow while the 3 way valves have a liner flow. The Series 41 are comprised of high performance butterfly valves with bidirectional, zero leakage, shutoff, 150 psi saturated steam at 366°F for on and off applications, and 50 psi at 300°F for modulating services.

Ari Valve offers butterfly valves that feature threaded eyelets, notch lever, lock lever, gearbox, and pneumatic/electric actuators. Product line of butterfly valves includes butterfly valves with elongated or threaded eyelet connections.