JAMESBURY

Ball & High Performance Butterfly Valves, Pneumatic Actuators

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

ZWICK

Triple Offset Butterfly Valves, Double Block & Bleed, Non-Return Check Valves

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 ELECTRICAL DIVISION FOR MORE INFORMATION CONTACT US AT WWW.DUNCANCO.COM

KINETROL D-LINE DAMPED MANUAL FAIL-SAFE

The D-line damped manual fail-safe uses Kinetrol's highly reliable, clock type spring linked to a torque multiplier to allow effortless manual operation of a valve.   For more information, click the link below to download the PDF Tech Sheet!   Click here for...

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VCI MODEL 1078 TANK BLANKETING VALVE

The Model 1078 is a pilot-operated valve, specifically designed to reduce blanketing gas losses on low-pressure storage tanks. Available in Carbon Steel, Stainless Steel A351 CF3M, and Hast-C For more information, please click the link to download the tech sheet, or...

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Duncan Company: Your Premier Industrial Distributor in the Upper Midwest

Located in Minnesota, Duncan Company proudly stands as one of the largest stocking Industrial Distributors in the Upper Midwest.  With rich inventory of  ball valves, butterfly valves, actuators, instruments, controls, safety products and piping specialties; we offer you a wide array of products from leading manufacturers. At Duncan Company, we excel in valve automation, providing expert solutions that enhance control, efficiency, and reliability for your industrial processes.

Our comprehensive product range includes trusted names such as:  Jamesbury, Apollo, Cashco, Fairchild Regulators, Anderson Greenwood Instrumentation, Flo-Tite, Asco Solenoid Valves, ABZ, Champion Valve, Kelair Damper Valves, Trimteck Control Valves, Zwick Valves, Edward Valves, Powell, PBV, DSI, SVF Flow Control, Saunders, Sharpe, Leser, Taylor, Fabricast Valve,  Xomox, EVR Products, AQ Matic, Hayward, Habonim, Rotork Actuators and Controls, Kinetrol, Remote Control, Air Torque, USI Technologies, Azbil North America, Vortek Instruments, Wika Instrumentation, Honeywell Gas Detectors, BLH Nobel, Watson McDaniel, Spirax Sarco, TopWorx, Go Switch, Dwyer, Elpro, Hoffer Flow Control, Nivelco, ThermoFisher Scientific, Quadbeam, Titan Strainers, Rosedale, Fil-trek, Acme Products, BS&B Safety Systems, VCI, Parker, BLX, Hy-Lok USA, JMS, Westlock, DFT, Donaldson, Precision Digital, Rotronic, Thermal Instrument, Trerice, Tru-Flo, Keckley, Sentry Equipment, Shurjoint, Federal Screen, TopLine Products, Classic Industrial and more.

Our Arjay Automation Electrical  division with sales offices in Minnesota & Wisconsin can help you with Ametek Power Instruments, Elpro Technologies, Franklin Electric, Omicron, Sifam Tinsley, and Tavrida Electric.

Explore our complete product listing with ease, browse by manufacturer or by products.  

Duncan Company is your dedicated partner for all your industrial needs!

CONTACT US

Corporate Headquarters:

425 Hoover St NE

Minneapolis, MN  55413

PH:  612-331-1776

Duncan Co – Appleton, WI

Valves & Filtration

PH:  920-739-6066

Instrumentation

PH: 920-462-4700

 

 

LOCATIONS

Duncan Co – Duluth, MN

PH:  800-677-1776

Duncan Co – Bismarck, ND

PH:  701-527-6954

Duncan Co – Nebraska/Kansas

PH:  785-451-0183

 

 

 

 

 

Arjay Automation

Electrical Products

425 Hoover St N.E.

Minneapolis, MN  55413

PH:  612-331-1776