Category: Propellers

How to Determine a Left Hand vs. Right Hand Propeller

In this video INDCO illustrates how to determine a left hand versus a right hand propeller. The video features a 3-bladed marine style propeller. We use three methods to determine left hand vs. right hand; blade angle on hub, palm demonstration and flow of material. These methods will work on our steep pitch, square pitch, buffed and mirrored propellers. To view flow of material we use an AS Air Stirrer with a left hand and right hand propeller in water…. Read More

Aluminum 4” Diameter Propeller

INDCO supplies a large selection of industrial marine style three-bladed propellers.  The modified semi-elliptical design, developed from years of experience and research is considered the standard by which others are judged.  These all-purpose propellers are used for mixing, blending, agitating and liquid movement of all kinds.  October’s top seller was the aluminum 4” diameter propeller. Count on INDCO for the highest quality industrial propellers available. The 4″ diameter 319 alloy aluminum 3-blade propeller is an economical, light-weight choice when resistance… Read More

Dispersion Blade and Propeller Together?

At INDCO we talk daily with customers who use our equipment to achieve their mixing process needs.  While most are using what we would describe as conventional equipment setups and procedures we do encounter those that are less so.  One example that we are sometimes asked about is the use of a dispersion blade and a marine style or other axial flow impeller in combination on the same shaft.    Our response is that we generally do not recommend it for… Read More

Mount Option Guide for Dispersion Blades

Dispersion blades offer shear of particles in a high speed application.  INDCO has discussed dispersion in earlier blogs: Fundamentals of Dispersion: A quick reference guide and Dispersion Blade Designs: A Brief Discussion.  INDCO has 5 different designs available depending on your application.  There are a variety of methods to mount the dispersion blade to your dispersion equipment. Two shaft options are available for use with drills or stirrers.  The TS series stainless steel shafts are available in lengths from 12”… Read More

Mixing Propeller Design: Measuring the Marine Style Mixing Propeller

The marine style mixing propeller features three equally-spaced blades. Therefore, direct measurement of the propeller’s diameter from one side straightthrough the center to the other is not possible.  A useful method is to measure the radius from the center of the bore to the tip of one of the blades then to double that measurement to determine the impeller’s diameter. Blade pitch is another characteristic of mixing propellers.  Direct measurement of actual blade pitch is quite complex and is usually… Read More

Aluminum Mixing Propellers: July’s Hot Item

INDCO Inc. offers a variety of mixing equipment, mixing tanks & related accessories.  In July 2012, INDCO’s most popular item sold was the AP129 aluminum mixing propeller.  This 12″ diameter 319 alloy aluminum 3-blade propeller with 1-1/4″ bore is an economical, light-weight choice when resistance to corrosion is not critical. The square pitch left hand design produces downward fluid motion with clockwise rotation as viewed from above. The aluminum propellers are sand cast, roto tumbled and finish machined to tight… Read More

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We have been in business for over 30 years serving the processing mixing requirements of thousands of companies. Our specialty is small and medium size mixers for batch sizes up to 5000 gallons. We keep a large stock of component parts, and as a result can fill 95% of orders within 2 working days. Along with our full line of industrial mixing products, we can engineer fully custom modified mixing systems that meet your full specifications.




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