Smooth, silent performance.

With millions of pumps currently in service around the world, Imo’s reputation for quiet, continuous reliability has a lot of momentum behind it.

In 1931, Carl Montelius joined financier Bengt Ingeström to form IMO, a name formed from their combined initials. Today, the brand continues in the tradition of these two prominent men, representing the highest quality, reliability and service levels in the pump industry.

Circor Pumps North America LLC is a leading marketer and world-class manufacturer of Imo Pump products with competitive advantages. By developing supplier‚ distributor and customer networks for various industries and market segments‚ we achieve global reach.

Manufacturing rotary positive-displacement three-screw and gear pumps, the Imo Pump brand meets the strict requirements of our customers' applications and can offer precise‚ and reliable performance. Our experienced engineering staff can help you solve any design‚ engineering or process issue.

Industries served include hydrocarbon and chemical processing‚ crude oil transport‚ Navy and commercial marine‚ power generation‚ pulp and paper‚ hydraulic elevator and general machinery.

Manufacturing is accomplished under ISO 9001 Management Systems. We have also received TS 16949 certification‚ the highest automotive quality standard issued.

Featured Content

Brochure

Hydraulic Elevator Systems

The vast majority of today’s elevators are one of two basic designs, traction or hydraulic. Hydraulic types of systems are typically less expensive and are found in buildings with a maximum of six or seven floors. These systems typically feature a rotary three-screw pump because of the pump's quiet, smooth and reliable operation.

PROVEN PUMPS. ENGINEERED TO LAST.

With pumps like the cast iron 3D Series from IMO or the sturdy construction of the 4PIC and ALLift® Pump Series from Allweiler, CIRCOR offers a variety of options that will deliver decade upon decade of flawless performance.

Back to Basics

A Pre-Startup Guide To Rotary Pumps: Part I, By Simon Bradshaw

Follow these tips to help keep gremlins away from your system.

Many pump startups are the culmination of months, if not years, of work to design the process, machine or system; specify components, instrumentation and protective devices; and review and qualify suppliers. It is also the most vulnerable time for any pump. Part I of this article describes cautions, reviews and inspections for three main components that should be conducted before startup to help ensure that gremlins of pumping systems are identified and eliminated. In a future issue, Part II will give additional tips on how to prevent delays and other, last-minute pointers to ensure successful startup of rotary pumps.

Back to Basics

A Pre-Startup Guide To Rotary Pumps: Part II, By Simon Bradshaw

Follow these tips to help keep gremlins away from your system.

Part I of this article, as seen above, described cautions, reviews and inspections for three main components (piping and valves; foundation, alignment and rotation; and lubrication) that should be conducted before startup to ensure the issues that can arise with pumping systems are identified and eliminated. This article, Part II, reviews additional information on how to prevent delays and ensure the successful startup of rotary pumps.

Featured Products

IMO - Three-Screw pump Series 6D

Three-Screw pump Single Suction up to 100 bar

IMO - Three-Screw pump Series 12D

Three-Screw pump Single Suction up to 150 bar

IMO - Three-Screw pump Series 8L

Three-Screw pump Single Suction up to 140 bar

IMO - Three-Screw pump Series 3D

Three-Screw pump Single Suction up to 35 Bar

In The News

Press Releases2019.08.27

CIRCOR Signs Agreement to Expand in Weihai ETDZ

CIRCOR has signed an investment agreement to build a new facility in the Weihai Economic & Technological Development Zone (ETDZ). This commitment is a significant step forward in CIRCOR’s strategy to support the company’s customers in China and Asia Pacific.

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CIRCOR has sales partners located in countries around the world. Search below to find the sales partner closest to you.

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