ABZ is a manufacturer of many types of butterfly valves. The 2"-12" split body wafer valve is built to 150 PSI for the chemical/food industries. The 2"-12" split body with full lugs meets ANSI 125/150 pound drilling. There are a variety of other 2"-12", 150 PSI butterfly valves available for chemical, food, sanitary or general purpose use. ABZ offers a 2"-72", ANSI 150/200 PSI, general purpose butterfly valve with a one piece body for general purpose usage.

Olson Technologies Inc. features a line of Mosser and Homestead butterfly valves. The Mosser Series 830 butterfly valves are a rugged heavy duty design with large diameters. The Mosser Types AT and CT butterfly valves are suited for pressure differentials from 175 psi to 25 psi, and temperature ratings up to 350°F with materials of cast iron body, carbon steel disc, steel shafts, steel control handle, and Buna-N shaft seals.

ShanRod manufactures five different series' of butterfly valves. Their Heavy Duty dampers come in three different series. The 2300 Series fabricated damper bolts up to ANSI/ASME B16.1 Class 125 drilled flanges. The 2700 Series weld end damper can be welded in between two duct or pipe sections. The Medium Duty damper is a standard damper furnished in sizes 4” to 48” for all medium duty services. There are three series' of Wafer dampers available. The 2200 Series wafer damper is constructed to fit between 125/150# ANSI flanges. Louver and Rectangular butterfly dampers are also available from ShanRod.

GEMU is a manufacturer of plastic and metal butterfly valves. The 410 plastic butterfly valve is a 2/2 way, pneumatically operated valve with a plastic piston actuator that is corrosion-resistant and maintenance-free. The manually operated 417 2/2 way plastic butterfly valve has a handwheel with an integrated locking device to prevent accidental operation. The 423 plastic valve is a low maintenance electrical actuator with a reversible dc motor. GEMU's metal butterfly valves come in the same basic configurations as their plastic valve counterparts.

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.

Xomox manufactures the Tufline Series of fluorocarbon lined (FEP and PFA) butterfly valves for severe chemical applications that would otherwise require highly corrosion resistant metallic valves such as alloy 20, hastelloy and titanium. Their Tufline Series 800 high performance butterfly valves come in various types, including soft seated valves, fire tested valves, high temperature valves, and cryogenic valves. The Series 7000 resilient seated butterfly valves feature a stem configuration that provides positive attachment for handles or actuators (Double “D”, 2" - 24" ), and an actuator flange that can accommodate handles, gear operators, electric actuators, and pneumatic actuators (2" - 24" per ISO 5211). The Series 7500 resilient seated butterfly valves are corrosion free, offer a permanently tight closure, and are suitable for vacuum service. The Series 9000 severe service butterfly valves feature a triple-offset design, a wide angle seat design, a torque seated resilient metal seal ring, and a bubble-tight enclosure.

Emerson is a distributor offering Fisher butterfly valves that feature an eccentrically mounted disc, and a wide application range and shutoff capability. They are designed for control and isolation service from cryogenic to high temp and pressure classes to ASME CL2500. Sizes range from NPS 2 to 72. Fisher butterfly valves offered include a flangeless valve with a splined shaft for throttling control, a multi-class rated flangeless valve for throttling control, a high-performance butterfly valve with a splined shaft for throttling control, a rotary valve that offers excellent throttling performance with an approximate linear flow characteristic providing precise throttling control, a high-performance butterfly valve featuring a keyed or square-end shaft for various on-off applications, and many other types.

Crispin Valve features the K-Flo butterfly valve in 2 designs and in a size range from 3 to 168 inches. The valves are fully compliant with the AWWA C504 standards. For municipal, power and industrial operations, the 500 series of valves are heavy duty, resilient seated butterfly valves with flanged or mechanical joint configurations. For liquid and gaseous operations, the 47 series of valves are large diameter valves with mechanical configurations up to 48 inches and flanged configurations up to 168 inches.

PDC manufactures butterfly valves for temperatures up to 1500 degrees Fahrenheit in sizes of 2 to 60 inches and in foundry cast iron and steel alloys. The PDC valves all possess tight machined tolerances, no typical weld fatigue, proper shaft alignment of rotating equipment and a wide choice of materials.

A global manufacturer of butterfly valves, AMRI offers butterfly valves for the petro-chemical plants, chlorine industry, semi-conductor industry, paper industry, acid plants, ships, power and water industries and nuclear plants. Its line of butterfly valves include ACRIS lug butterfly valve, ISORIA 10/16 elastomer-lined butterfly valve, AMRESIST ball valve with full port design, MAMMOUTH series butterfly valve with a fully elastomer lined body, and DANAIS flexible metal seated valve.

Cameron offers butterfly valves in wafer and tapped-lug styles. The Demco butterfly valves features a one piece body, unique stem hole design, hard backed seat and a size range from 2 to 36 inches.