JAMESBURY

Ball & High Performance Butterfly Valves, Pneumatic Actuators

FORUM ABZ

Resilient Seated Butterfly Valves, Electric & Pneumatic Actuators

FORUM PBV

API 6D Trunnion Mounted & Forged Ball Valves

ROTORK

Electric, Fluid Power, Process Control, Pneumatic Actuators, Gearboxes & Accessories

ASCO - Numatics

2, 3 & 4 Way Solenoid Valves, FRL’s, Cylinders, Numatics

WIKA

Pressure & Temperature Gauges, Transducers, Diaphragm Seals, Mag Level Gauges, Primary Flow, Temp Devices

BS&B Safety Systems

Rupture Disks, Safety Heads, Explosion Vents

CASHCO

Control Valves & Regulators, Industrial Process & Sanitary High Flow Regulators, Pressure Regulators

VCI - Valve Components

Tank Pressure & Vacuum Vents, Arrestors, Emergency Vents, Tank Blanketing Valves

YOKOGAWA

Pressure, Temperature, Multivariable and Wireless Transmitters; Magnetic, Vortex, Coriolis and Variable Area Flowmeters

HONEYWELL

Toxic & Combustible Gas Detection Instrumentation, Flame Sensors, Bluetooth Wireless Solutions

APOLLO VALVES

Ball, Safety Relief, Check Valves & Plumbing Specialties

LESER

Process, Steam, Sanitary & Specialty Relief Valves

FLO-TITE

Ball Valves:  2-Way, Flanged, Multiport, Sanitary, Segmented Control Valves

TRIMTECK®

Linear & Rotary Control Valves, Severe Service, Custom Specialty Valves

KELAIR DAMPERS

Industrial Dampers:  Butterfly & Louver

ANDERSON GREENWOOD

Intrumentation Hand Valves & Manifolds, Instrument Enclosures, Primary Isolation Valves, Direct Mount Systems

Serving the Midwest’s Industrial Markets Since 1909

Your trusted partner for Valves, Instrumentation, Automation and Piping Specialties 

For more information contact us at www.duncanco.com

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DUNCAN COMPANY FOR MORE INFORMATION CONTACT US AT WWW.DUNCANCO.COM
ARJAY AUTOMATION FOR MORE INFORMATION CONTACT US AT WWW.DUNCANCO.COM
ARJAY ELECTRICAL DIVISION FOR MORE INFORMATION CONTACT US AT WWW.DUNCANCO.COM

Hy-lok Instrument Fittings & Valves

Hy-Lok supports a broad inventory of highly engineered valves, fittings, hose assemblies, quick-connects and assembly tools.  Hy-Lok continues to push the envelope with new product development, carefully considering customer application requirements like pressure,...

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CASHCO CA-1 BACK PRESSURE REGULATOR

Cashco's Model CA-1 and CA-2 Back Pressure Regulators are used in a multitude of applications.  They are widely used for liquid recirculation around a pump; used as a bypass flow regulator in fuel oil systems; for general air, oil, water, and gas services and can also...

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PBV TRUNNION BALL VALVE W/ROTORK IQ ACTUATOR

Duncan Company can help you with your automated valve applications, we recently shipped the below picture out for a Waste Water application.  We have the Technical Sales Support to help you, give us a call at 612-331-1776 for help!

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Duncan Company is one of the Upper Midwest largest stocking Industrial Distributors

We have two stocking locations, our Corporate headquarters in Minnesota and our division in Appleton, Wisconsin.  Together we carry IN STOCK  ball valves and butterfly valves, actuators, instruments and controls, safety products and piping specialties. We can supply you with the following key product manufacturers:  Jamesbury, Apollo, Cashco, Fairchild Regulators, Anderson Greenwood Instrumentation, Flo-Tite, Asco Solenoid Valves, ABZ, Accuseal Critical Service Valve, Champion Valve, Kelair Damper Valves, Trimteck Control Valves, Rotork Actuators, Zwick Valves,  Edward Valves, Powell, P.B.V., DSI, SVF Flow Control, Saunders, StreamFlo Industries, Sharpe, Leser, Taylor, FluoroSeal,  Xomox, EVR Products, AQ Matic, Hayward, Habonim, Kinetrol, Remote Control, US Valve, Pratt Valves, Wika Instrumentation, Watson McDaniel, Spirax Sarco, YTC, Soldo, TopWorx, Go Switch, Midland-ACS, Titan Strainers, Rosedale, Fil-trek, BS&B Safety Systems, VCI, Parker, BLX, Hy-Lok USA, JMS, Westlock, DFT, Donaldson, Precision Digital, Rotronic, Thermal Instrument, Trerice, Tru-Flo, Keckley, Dynamix Agitators, Sentry Equipment, Grinnell, Shurjoint, Federal Screen, TopLine Products and more.

Our Arjay Automation division with sales offices in Minnesota & Wisconsin can help you with Yokogawa, Honeywell, BLH Nobel, SICK Sensors, Swan Analytical Instruments, Moore Industries,  Elpro Technologies, Hoffer Flow Controls, Cemteck, Chino, BTG, Air Monitor.  We have an Electrical Division that can help you with Ametek Power Instruments, Beckwith Electric, Franklin Electric, Omicron, Radian Research/Weco, Solid State Instruments, and Tavrida Electric.

Please browse our full product listing, or by manufacturer or by markets served.

 

CONTACT US

Corporate Headquarters:

425 Hoover St NE

Minneapolis, MN  55413

PH:  612-331-1776

Duncan Co – Appleton, WI

PH:  920-739-6066

 

 

LOCATIONS

Duncan Co – Duluth, MN

PH:  800-677-1776

Duncan Co – Bismarck, ND

PH:  701-527-2759

Duncan Co – Nebraska/Kansas

PH:  785-451-0183

 

 

 

 

 

Arjay Automation

425 Hoover St N.E.

Minneapolis, MN  55413

PH:  612-861-1749

Arjay Automation – Kaukauna, WI

PH:  920-462-4700

Arjay Automation – Duluth, MN

PH:  800-677-1776