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Company Profile

Charles-Ross-logo

Contact Information

Phone: 631-234-0500
Toll Free: 800-243-7677

Location

Ross, Charles & Son Company
710 Old Willets Path
Hauppauge NY 11788
United States
Ross has manufactured industrial mixing, blending, drying and dispersion equipment since 1842. Standard and custom designs are available to meet the varied processing requirements of our customers. We design and build our mixers and blenders in company owned plants in the United States, China and India. All of our plants are all fully equipped with advanced engineering and manufacturing tools. In the USA alone, we operate five plants and maintain an 8000 sq. ft. Test & Development Center.

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New Products

Powder Injection Mixer with High-Efficiency Charging Hopper

Ross is offering a new high-efficiency charging hopper for its line of High Shear Mixers with Solids/Liquid Injection Manifold (SLIM) Technology.
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Hydropneumatic Tanks and Pressure Vessels

Ross Hydropneumatic Tanks and Pressure Vessels are built in any capacity up to 100,000 gallons, with working pressures from 50 to 200 psig, for indoor or outdoor installation.
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Laboratory Double Planetary Mixers

Ross Laboratory Double Planetary Mixers (DPM's) are ideal for processing a wide range of applications including viscous pastes, putty-like materials, powder blends and granulations.
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Custom Engineered Tanks

Ross Custom Engineered Tanks are built in ASME-code certified plants and can be designed for virtually any use, application or environment.
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Low Pressure Drop Static Mixers

Ross LPD and LLPD Static Mixers promote composition and temperature uniformity by increasing turbulence while keeping pressure loss very low.
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Storage Vessels

Ross Storage Vessels are custom-built to meet exact specifications for pressure, temperature, material of construction, cover design, discharge assembly and access ports.
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Planetary Dual Disperser

Charles Ross & Son Co.'s Planetary Dual Disperser (PDDM) is expanding the processing capabilities of manufacturers around the globe.
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Cylindrical Ribbon Blenders

Ross' new line of Model 42C Cylindrical Ribbon Blenders designed to mix dry powders, wet granulations and paste-like materials with densities up to 100 lb/cu.ft.
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Ultra-high Shear Mixer with Powder Injection Technology

The Ross PreMax is a batch-style rotor/stator mixer designed for ultra-high shear conditions and vigorous flow, an ideal combination that supports high-speed production of fine dispersions and emulsions.
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Automated Powder Feeding and High-speed Mixing Skid System

Designed for automatic ingredient additions and high-speed mixing, the pictured Solids/Liquid Injection Manifold (SLIM) Mixer is piped to a 400-gallon jacketed tank and mounted on a compact skid.
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Rapid, Dust-free Blending of Powders

Available in many standard sizes from 1/2 to 1,000 cu. ft. working capacity, Ross Ribbon Blenders are built for a wide range of bulk densities and applications with many customizable features to meet any special, sanitary or heavy-duty requirements.
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ISG Static Mixers for High-viscosity Applications

The Ross Interfacial Surface Generator (ISG) is a patented Static Mixer designed for laminar flow processes such as blending a minor component into a viscous stream.
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Turnkey Systems for Accelerated High-viscosity Mixing and Discharge

Ross manufactures a range of turnkey mixing and discharge stations for batching paste-like materials and high-viscosity formulations.
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Laboratory High Viscosity Disperser

The model PBA-2 Laboratory High Viscosity Disperser from Charles Ross & Son features interchangeable bow-tie and paddle blades driven by a 2HP explosion-proof, VFD-capable motor.
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Fabricated Vessels

Ross Engineering Inc., a custom fabricator of storage tanks, pressure vessels and reactors, has acquired new machining equipment and upgraded its facility to better serve customers.
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Ribbon Blenders

Ribbon Blenders are commonly used for rapid blending of dry powders, granules, pellets and other solid forms.
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Low Shear Blending and Vacuuming Drying

Ross Vertical Blenders are ideal for low shear blending of powders, pellets, granules, fibers and other solids.
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Heavy-duty Horizontal Paddle Blender

This horizontal paddle blender features a working capacity of 450 gallons and stainless steel 304 product wetted parts.
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Powder Induction System with Agitated Recirculation Tank

For high-volume solid-liquid mixing requirements, Ross offers specially engineered powder induction systems coupled to an agitated recirculation tank.
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R&D and Pilot-scale Mixers

Ross manufactures a wide range of bench-top mixers for R&D and pilot-scale requirements, with many selections for multi-viscosity processing, dry solid-solid blending, powder wet-out, inline (continuous) mixing, agitated vacuum drying, homogenization, emulsification and particle size reduction/wet milling.
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Chemical Bulk Tanks

Ross Engineering Inc., a subsidiary of Charles Ross & Son Company, accepts a wide range of custom fabrication projects including chemical bulk tanks as large as 100,000 gallons. Pictured is
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Multi-purpose Lab Mixer

Charles Ross & Son Co.’s new multi-purpose laboratory mixer model, the HSM-100LCI-T, is offered with interchangeable mixing attachments.
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Portable Dual Shaft Mixer

Ross introduces the new Model CDA-30C Portable Dual Shaft Mixer with a working capacity of 10 to 30 gallons. An air/oil hydraulic lift raises and lowers the agitators, a
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New Planetary Disperser and Discharge System Turnkey Package

Charles Ross & Son Co.’s new Planetary Disperser and Discharge System Turnkey Package is designed for high-viscosity, multi-stage mixing requirements. The Ross PowerMix consists of a stirrer blade and
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New Surface Treatments and Coating Options Offered on Mixers

Charles Ross & Son Company now offers a variety of surface treatments, coatings and alternative materials on its full range of mixing, blending, drying and dispersion equipment for the
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Double Planetary Mixers and Discharge Systems

Ross Double Planetary Mixers and Discharge Systems are ideal for quick processing of non-flowing viscous mixtures. Turnkey processes utilizing the change-can mixer and discharge platen routinely benefit from shorter
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High Shear Mixer

The Ross X-Series Ultra-High Shear Mixer is ideal for products that require great uniformity in a dispersion or emulsion. This inline mixer is often used in processes wherein exceptionally narrow
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Multi-Purpose Ribbon Blender

The new model 42NSD-1S Ribbon Blender from Charles Ross & Son is a multi-purpose unit equipped with interchangeable double ribbon and paddle agitators. With a maximum working capacity of 1
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Solids/Liquid Injection Manifold

The Ross Solids/Liquid Injection Manifold (SLIM) is a high shear mixer system designed to accelerate the dispersion of hard-to-wet-out solids while eliminating floating powders in batch tanks and reducing dusting
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High Speed Dispersers

A large number of Ross High Speed Dispersers are now offered from stock for immediate purchase or trial/rental. This robust inventory includes many standard laboratory models for batches as small
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Ultra-High Shear Mixer

The Ross PreMax is an ultra-high shear mixer featuring the patented “Delta” rotor/stator assembly. The unique geometry of the Delta rotor/stator generator produces a double vortex that draws batch material
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Dual-Shaft Mixers for Processing Viscous Formulations

Ross Dual-Shaft Mixers are ideal for processing pastes, gels, suspensions, slurries and other viscous formulations. Composed of two independently-driven agitators working in tandem, this system is designed for heavy-duty mixing
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Ribbon Blenders

Ross ribbon blenders cater to a wide range of bulk densities, suitable for industrial or sanitary applications. All units are direct driven by an inverter-ready gearmotor, an integral design superior
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Planetary Dual Disperser for High Viscosity Applications

The Planetary Dual Disperser is ideal for powerful mixing of high viscosity applications requiring ultra-fine dispersion quality. The PDDM features four agitators – two planetary stirrers and two high-speed shafts
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Blender/Dryer for High Temperature Slurries, Pastes

Cylindrical blender/dryers are ideal for high-temperature processing of slurries, pastes, granular materials, pellets and powders under vacuum, atmospheric or positive pressure. Custom-built to meet the specific needs of each individual
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Double Planetary Mixers Improve Efficiency

Double Planetary Mixers incorporate more clean design features to help users improve the efficiency of high viscosity mixing processes. Traditionally equipped with rectangular-shaped paddles, double planetary mixers move batch material
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Explosion-Proof Multi-Shaft Mixer with PLC Controls

The VersaMix Multi-Shaft Mixer shown is a 100-gallon VersaMix equipped with a three-wing anchor agitator, high speed disperser, rotor/stator mixer designed for sub-surface powder induction, feed ports with pneumatically-actuated ball
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Multi-Shaft Mixer for Pastes, Gels, Slurries

New VersaMix Multi-Shaft Mixer is designed for producing pastes, gels, slurries and other viscous formulations. This mixer design is composed of three independently-driven agitators working in tandem. The high-speed disperser
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New Mixing System and Dispersion System

New mixing and dispersion system combines a Ross high shear mixer and a specially designed PowerMix for use in manufacturing fine dispersions. The two mixers are mounted on a common
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New High Shear Vacuum Mixer

New bench-top model has been added to the company’s line of high shear rotor/stator mixers. The mixers are ideal for dispersion, emulsification, homogenization and particle size reduction. The new LCI-V
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Featured Articles

Multi-shaft mixers in the food industry

Food manufacturers are seeing the benefits of ‘one-pot’ processing
A large portion of food-industry mixing operations are still accomplished by relatively simple single-shaft mixers such as propellers, pitched-blade turbines, impellers and anchor stirrers. Increasingly, however, food manufacturers are seeing the benefits of “one-pot processing,” especially when it comes to high-solids viscous applications that conventional mixers can’t handle.
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White Papers

The art of high shear mixing

The high-shear rotor/stator mixer, once relegated to a relatively narrow niche of mixing applications, has become a mainstay in many applications in the chemical process industries. The ability to apply
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High Shear Mixing and Single-Pass Emulsification

Consider an ultra-high shear mixer for your single-pass emulsification requirements. Advantages include simple operation, high throughput rates, consistent product quality, easy cleaning procedure and low maintenance.


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Specifying inline rotor/stator mixers

Inline rotor/stator mixers are utilized throughout the process industries for high shear processing of flowable liquid applications. They can be operated in a truly continuous mode wherein feed streams are metered into the mixer; however, inline rotor/stator devices more commonly are set up for recirculation.
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Improve emulsion stability through ultra-high shear mixing

Today, ultra-high shear rotor/stator designs are available that can improve emulsion stability of certain formulations.
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Specifying ribbon blenders

The classic ribbon blender is used in food & beverage, chemical, pharmaceutical, plastic, agricultural and other industries. Due to its versatility and economy, the ribbon blender is often the best choice for most mainstream blending applications.
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Ultra high shear mixing and deagglomeration

Deagglomeraton of solid particles suspended in liquid entails many hours of mixing and multiple passes through milling equipment. In other cases, it requires the use of very expensive but low-throughput
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