Woolf Aircraft Products, Inc. - Romulus, MI
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 and AS9100:2009 Rev (C) certified custom manufacturer of transitions including conical, step-up & slip-fit transitions. Transitions are made from stainless steel & aluminum with specifications including 1.5 in. to 6 in. O.D. 1, 1.75 to 6 in. O.D. 2, 1.5 to 4 in. I.D. & 2.75 to 4 in. lengths.
catalog.woolfaircraft.com/viewitems/transit...

Transitions Products
	Transitions

Incom Distributor Supply - Locations
Distributor, Custom Manufacturer
Distributor of hardwood finish transitions made from aluminum. Carpet transitions are available in 3 ft. & 6 ft. length & 1 3/8 in. width. Transitions are used for protecting carpet edges from fraying.
shop.incomsupply.com/shop/

Vertex Fab & Design LLC - Middleboro, MA
Custom Manufacturer
ISO 9001:2008 certified custom manufacturer of transitions. Capabilities include forming, polishing, passivating, punching, shearing & rolling. Products such as smokestacks, cones, bins, hoppers, caissons, platforms, stairs, ladders & stringers are also fabricated. Meet ASME Sec VIII, Division 1 (U, R & S), ABS & CARC paint standards.
www.vertexfd.com/fabrication.html

Spiral Manufacturing Co., Inc. - Minneapolis, MN
Manufacturer, Custom Manufacturer
Custom manufacturer of transitions including rectangular to round standard & offset transitions.
www.spiralmfg.com/transf.htm

Rothe Welding, Inc. - Saugerties, NY
Manufacturer, Custom Manufacturer, Service Company
Custom fabricator of duck work transitions. Capabilities include oxy-fuel cutting, metal, cold & I-beam forming, flattening, straightening, mitering, deburring, drilling, engineering, shearing, welding, plasma cutting, punching, ring, heavy plate & structural section rolling, sawing, flame cutting, assembly, painting, press braking, machining & pipe bending. Suitable for architectural, entertainment, environmental & military applications. On-time delivery.
www.rothewelding.com/dwt.html

Hodgson Custom Rolling, Inc. - Niagara Falls, NY
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified custom fabricator of gear blanks & transitions. Cylinders, rings, cones, trunnion pads, heavy weldments, ladles, furnaces components & pressure vessels can also be fabricated. Capabilities include plate & structural rolling, brake forming, welding, stress relieving, saw cutting, cambering, flattening, split & straightening, warehousing, CAD, logistics & transportation. Industries served include energy, metal, construction, mining, OEM, architectural, agricultural & food processing & transportation. ASME & CWB certified. Meets CSA standards.
www.hodgsoncustomrolling.com/

Truly Tubular Fitting Corp. - Mount Vernon, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of tubular fittings & transitions made from stainless steel. Tubular fittings include adapters, tubing assemblies, return bends, caps, elbows, barbed, cryogenic, high pressure, hydraulic, instrumentation, jacketed, laboratory, nuclear equipment, pipe welding, railing, silver brazing, hose & tube fittings, tubing, tees & pipe unions. Tubular fittings are suitable for beverage, chemical, food, marine, medical, photography & refrigeration applications.
trulytubular.com/adapters.htm

Chicago Metal Rolled Products Co. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Rolling & bending service for steel stacks, spouting, stringers, & transitions. Bending used for applications including windows, curtain walls, & store front systems. Curve component parts available for metal framing strut systems, roll-press brake formed angles & channels. Also bend steel into ellipses, roll arcs with straight tangents at end, do off-axis & multi-axis bending, helical coils, curve compound bends. Plumb, circular, & stair stringers also available.
cmrp.rtrk.com/?scid=1384649&rl_alt=http%253...

Stephens Mfg. Co., Inc. - Tompkinsville, KY
Manufacturer
Manufacturer of transitions. Available in 8 in., 10 in. or 12 in. sizes & with emergency slide gate. Made in USA.
stephensmfg.thomasnet.com/viewitems/screw-p...

Eldred Sheet Metal Works - Houston, TX
Distributor, Custom Manufacturer, Service Company
Custom sheet metal fabricator of transitions including offset, square-to-round and round-to-round transitions. Various materials include 0.0625 in. to 3 in. thick carbon steel, stainless steel, galvanized steel, aluminum and nickel alloys. Offset transitions are available in 26 in. to 36 in. OD.
www.eldredsheetmetal.com/photos/index.html

A.B. Duffy, Inc. - Thorofare, NJ
Custom Manufacturer, Service Company
Custom manufacturer of transitions. Materials include stainless steel, carbon steel, aluminum, titanium, Carpenter 20®, Hastelloy®, Inconel®, Incoloy®, Monel®, copper nickel, titanium and copper. Capabilities include blasting, coating, annealing, painting, heat treatment, machining, testing, polishing, hot dip galvanizing and electroplating. Industries served include petroleum refining, chemical, construction, food processing, manufacturing, power generation, utilities, water treatment and government.
www.abduffy.com/about.html

U.S. Plastic Corp. - Lima, OH
Distributor, Custom Manufacturer
Distributor of training videos, transitions, trimmers, trolleys, trousers, & plastic tumblers. Additional products available include bags, packaging, bottles, buckets, barrels, carts, pipe & fittings, pumps, tanks, sheets, rods, totes, bins, trays, trash containers, trucks, & valves. Markets include industrial, heavy industrial, & commercial.
www.usplastic.com/?utm_source=thomasnet&utm...

Central Blower Co. - City Of Industry, CA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of standard & custom blower accessories including transitions. Available as inlet & outlet transitions. Inlet & outlet transitions are available for standard duct sizes.
custom-wheels-blowers.centralblower.com/ite...

Transitions Products
	Vertical Stacks and Transitions

Space Machine & Engineering Corp. - Saint Petersburg, FL
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of waveguide transitions. Specifications of waveguide transitions include 10 in. to 975 in. waveguide size & 5.0 in. length. Waveguide transitions are made from aluminum, bronze & OFHC copper. Waveguide transitions are available with chromate, silver & gold plating & gray finishing.
www.space-machine.com/catalog.html?page=sho...

Millard Manufacturing Corp. - La Vista, NE
Distributor, Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of transitions for conveyors, ducting, equipment, machinery, material handling, & most food related processing operations. Stainless steel, pre-galvanized steel, carbon & aluminum. Industries served include beef, pork, canned, fresh & frozen, & poultry. Products also include: walk surfaces, continuous poultry cooking systems, can & container elevators & lowerators, carton & product conveyors, rotary fillers, liquid fillers, beef & pork processing equipment, tanks, carts, tables, work/ergo stands, totes, trays. Design, build & install services. Passivated finish for sanitary durability.
millardmfg.com/catalog.php?Page=catDisplay&...

C & S Metal Fabricating, Inc. - Houston, TX
Manufacturer, Custom Manufacturer
Custom manufacturer of transitions. Services include fabrication, plate shearing including CNC plate burning, plasma cutting & oxyfuel cutting, punching, drilling, press brake forming, plate rolling, fitting & welding. Materials include carbon steel, stainless steel, alloys & aluminum. Equipped with machinery rollers, forklifts & overhead cranes to move weldments of up to 40 tons & lifts & truck mounted hydraulic cranes with lifting capacity of 365 tons.
www.csmetalfab.com/facilities.aspx

Astro Engineering & Manufacturing - Plymouth, MN
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of metal fabrications including transitions. Capabilities include engineering, design, reverse engineering, shearing, laser cutting, CNC turret punching, CNC press brake forming, machining & welding. Short runs available.
www.astroeng.com/Architectural-Metal-Produc...

Soley Metal Fabricating - Detroit, MI
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer specializing in stainless steel fabrications for the pharmaceutical, architechural, historic restoration projects, food service, packaging & processing, bakery, beverage, dairy, biotech, testing facilities, aircraft test fixtures, industrial parts washers & medical industries.
www.soleymetalfab.com

Approtec Equipment Sales, Inc. - Spring, TX
Manufacturers' Rep, Service Company
Manufacturers rep. of tube transitions. Other products include tubes, connections, segments, bends, form pieces, transitions, inspection components, regulator gates, shut off valves, diverter valves & multi-port distribution valves. Installation, product testing, process evaluation, preventative maintenance & emergency services are available.
Brand Names: Jacob-Tubing
www.approtec.com/equipment-manufacturers/#m...

Processing Equipment, Inc. - Lexington, KY
Distributor
Distributor of ductwork supplies such as rectangular to round galvanized transitions. Available in 3 in. dia. to 22 in. dia.
proairsupply.com/mfg-subcat-item.asp?cID=23...

Baldwin International - Wildwood, MO
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of transitions. Concentrator transitions & square-to-round transitions can be fabricated. Products such as piston rods, step-down shafts, large dia. pipes, dozer blades, cones, chipper hoods, rails, coke chutes, shake-out decks, cyclones, machined liners, flanges & guards can be fabricated. Machining, alloy steel plate fabrication & bar fabrication services are available.
www.baldwininternational.com/services.htm

Sunbelt Fabricators, Inc. - Steele, AL
Custom Manufacturer
Custom manufacturer of air handling and ventilation transitions made from A-36 steel. Capabilities include CNC burning, forming, rolling, hot dip galvanizing, inspection, testing, welding and assembly. Meets AWS standards.
www.sunbeltfab.com/custom-cnc-burning-formi...

Transitions Capabilities
	Custom Steel Plate Fabrication Services Custom CNC Burning & Forming of Air Handling Transitions

Heiden Inc., Crane Attachments Div. - Manitowoc, WI
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
ISO 9000:2008 certified custom fabricator of spot welded & laser cut & formed air flow transitions made from stainless steel. Transitions are suitable for HVAC applications. AWS certified. Made in USA.
www.heidenco.com/transitions.htm

Carson Valley, Inc. - Whittier, CA
Custom Manufacturer, Service Company
Custom fabricator of transitions. Capabilities include installation, repair, cutting, bending, milling, grinding, welding & prototyping.
www.carsonvalleyinc.com/prototypes.php

Manly Steel - Dalton, GA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of transitions. Materials used include hot rolled steel, cold finished steel, carbon steel, stainless steel & aluminum. Capabilities include hydraulic press brake forming, punching, shearing, rolling, band sawing, drilling, grinding & welding.
www.manlysteel.com/index.html