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GEMCO
MATERIAL HANDLING SYSTEMS
BLENDERS
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Nestlé USA and USDA/FDA compliant K-Valve Airlock
Nestlé USA, part of Nestlé S.A., a world leader in infant nutrition, manufactures Nestlé Good Start Supreme DHA & ARA.
The new formula contains two fatty acids, docosahexaenoic acid and arachidonic acid, also known as DHA and ARA, which are
naturally found in breast milk and have been linked with improved brain and visual development in babies.
The sanitary K Valve
The sanitary K Valve is designed to USDA and FDA guidelines eliminating threads, keyways, and crevices. The split body design
means the K-valve can also be completely disassembled by hand allowing quick and easy inspection and cleaning. It is used
for charging/discharging or in-line with standard quick clamps allowing fast installation and removal.
The K valve is offered in sizes from 3" to 8" (75 to 200mm) in practically any weldable alloy with the option
of #4 satin or #7 mirror finish. Pressure and vacuum applications are engineered to order. Commonly used in the food, pharmaceutical
and nutraceutical industries or anywhere where cleanability and quick change over is required.
"P21" High Performance Spherical Disc Valve
The Type P21 High Performance Spherical Disc Valve is specially engineered to meet rigorous demands of processing solids,
abrasive powders, and wet cake. The valve is designed and built to ASME standards for pressure-assisted sealing from full
vacuum to 10 bar at temperatures up to 450 degrees Fahrenheit.
It is offered in most weldable alloys and finishes with options for Clean In Place (CIP) ports. Its ANSI or DIN standard
flanges allow for in-line applications. It is often used as a reactor feed valve or isolation valve.
Standard Port openings from 4 to 20 inches
Type "T" Valve
The Type T Valve is designed for heavy-duty service. It is typically used for slurries, abrasives, and heavy density materials.
The T valve is available in 316 stainless steel, Cast Iron, Aluminum as standard and can be fabricated from any weldable
alloy with the full range of sanitary finishes. Options include high temperature or pressure (3 bar) designs. T valves are
commonly used for charging and discharging hoppers, tanks, silos, conveying systems, and weighing systems.
From 4 to 20 inch standard port sizes
Low profile, 14 inch port opening only requires 10-7/8 inches headroom.
Type "TLD" Valve
The versatile and lightweight Type TLD Valve is typically used for processing light density materials such as foods and
pharmaceuticals and on rotating and mobile equipment where weight is a concern. It is available in a range of cast and weldable
alloys including 316 stainless steel and Hastelloy. The sanitary version of the TLD Valve has full interior and exterior
polishes. ANSI and DIN drilling patterns are offered in addition to the Gemco standard pattern. The valve is offered for
dust tight, full vacuum and low-pressure (1 bar) services. Common installations of the TLD Valve include inlet/outlet valves
on rotating or stationary blenders and Intermediate Bulk Containers.
Retractable Sleeves
The pneumatically operated Gemco Retractable Sleeves are designed for the dustless transfer of solids from one processor
to another. These Retractable sleeves are available in telescoping rigid designs (usually stainless steel), or flexible
boots, (usually white Neoprene). The telescoping models are used for one-way flows and flexible models used for bi-directional
flows. The two pneumatic cylinders of the Retractable sleeve can be controlled locally, remotely or by automatic sequencing.
Our sleeves are available in a range of finishes and coatings with a variety of stroke lengths and mounting configurations.
Gemco Airlocks
Gemco Airlocks are designed to control the flow of material between two atmospheres or pressures. They typically consist
of two standard Type T Valves connected by an intermediate chamber and are often used instead of rotary feeders, which are
prone to high maintenance and leakage of material and gases. Normal cycling varies from one to three times per minute. Slower
cycling is possible and nominal material flows of one half to ten cubic feet per cycle are available. Chamber purge, sight
glasses, clean-out ports, and automatic cycling controls are among the custom engineering options available. configurations.
The D-2 Diverter Valve
The D-2 Diverter Valve places the Gemco Spherical Disc Valve in a 'Y' junction that allows the valve to select a
product feed from one of the two inputs, or to direct one incoming stream of material to either of the two outlets. The
standard D-2 valve is constructed of 316 stainless steel, but it can be made from any weldable alloy. The two ports can
be positioned at 30 degrees, 45 degrees, or 60 degrees off the center-line of the third port. Typical Diverter applications
take advantage of its rugged design and its optional sanitary version in uses varying from rock crushers to food processing
Vacuum Tumble Drying
How It Works
Vacuum tumble drying of materials is accomplished by heating the walls of a specially jacketed slow rotating vessel while
applying vacuum. The vacuum lowers the boiling point of the component, while constant particle contact with the vessel walls
provides fast heat input for quick, uniform drying action. The closed tumble vessel provides constant motion in a controlled
atmosphere. This prevents lumping, segregation and active ingredient migration.The simple concept of applying heat and vacuum
forms the basis of Gemco’s full line of Tumble Dryers, Blenders and Formulators. All are available in V-Shape, D/3
Double Cone and Slant Cone designs.
Slant Cone
The asymmetrical geometry of the Gemco Slant Cone design offers a very fast blend time. High particle mobility, plus the
intermeshing action of materials results in blend times up to 33 percent less than other designs. In addition, this concept
achieves more control and more precise end product with blend variation as low as ½ percent.
V-Shape
Gemco V-shape blenders are very popular in a wide variety of industries. They offer both short blending times…and
efficient blending. The blend is achieved by the constant, dividing and intermeshing particle movement provided by two connected
cylinders. This precise mixing action results in blend variations of 1-2%. Each cylindrical leg has an access cover for
easy material loading and cleaning. The V, as all tumble blenders, requires low maintenance and consumes little horsepower.
Double Cone
The unique design of the Gemco D/3 Double Cone Blender results in a high degree of particle mobility without the use of
internal baffles. This type of blender has a low profile, requiring less head-room than a V-blender. One access cover means
easier cleaning and inspection. Invented by Gemco in 1935, the Double Cone is a proven performer in a wide variety of industries,
offering greater overall volume and high efficiency with blend variations 1-2%.
Production Blenders
Only Gemco offers 3 different geometric styles and a variety of options in our 10-300 cubic foot production blenders. Each
machine is tailored to customer specifications and applications. Gemco Production Blenders handle a variety of material
densities and is easily adaptable to material handling systems. With installations in the Pharmaceutical, Cosmetics, Ceramic,
General Chemical and powdered metals industries, Gemco's Production Tumble Blenders are one of the most versatile batch
process blenders available today. To enhance the discharge of poor flowing or easily segregated materials, various discharge
angles are available.
Convertible Model
The Convertible Model Blender has been designed for the customer who does not have an immediate need for internal agitation,
but contemplates the need on future material applications. The Convertible Model Blender is designed having one(1) hollow
trunnion machine to accept bearings, seal cartridge and assembly, and agitator shaft. Stainless steel end caps are furnished,
closing off the machined trunnion internals until needed. A motor base plate is provided on one(1) support frame for future
installation of an agitator motor. When the conversion is required, a complete agitator assembly (Slow-speed, High-speed
or liquid feed) is provided with ball bearings, seal cartridge and seal reassemble, motor, belts, sheaves and belt guard
to suit agitator.
Laboratory Blenders
Gemco's laboratory blenders provide a multi-capability approach to research and development and pilot applications.
Solids blending, de-lumping, liquid addition, and agglomerations are easily accomplished in minutes. For many applications
the units can also function as reaction vessels as well.
Gemco lab blenders are actually scaled down versions of full product blenders. Each incorporates Gemco's traditional
dual trunnion design frame with full bag bearing support. Each provides the optional ability to add liquids either with
standard gravity feed or with the revolutionary Airless Liquid Injection System. In short, a Gemco lab blender is an invaluable
additional to any R&D or Pilot Operation.
Support Enclosures
Full 316 stainless steel support enclosures are standard on every Gemco lab blender. These protect the motor drive and vessel
supports and help maintain sanitary conditions around the blending area. The motors are not in the discharge area so potential
damage from material spills is eliminated.
Size
All Gemco lab blenders are 16 quart capacity. This allows a working capacity of 4-16 quarts. For systems with optional agitators,
batches of less than 50% of capacity may be run with the use of optional cover insert scoops (available on Double-Cone and
Slant-Cone). These scoops lift the material off the bottom and drop it on the agitator for effective small batch blends.
Portable Blenders
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Portable Blenders are perfectly suited for pilot and small batch production.
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They are specially designed for use where small key-mixing operations are required for larger blending operation, and where
special blends are needed in more than one location.
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With a working capacity of one to five cubic feet, the portable blenders are designed for turn-key installation.;
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Zero Installation Costs
Gemco Portable Blenders are the latest in Gemco's custom engineered line of production blenders. With a working capacity
of one to five cubic feet, the portable blenders are designed for turn key installation.
This unique series of blenders can literally have you blending instantly. Simply remove the blender from its shipping crate,
wheel it to the use location, plug it in, and your in business. No need for costly and time consuming installation construction,
floor space or electrical hookup normally associated with machine installation.
No Permanent Floor Space Required
The added beauty of the portable design is that there is no need for dedicating permanent floor space or a special room
for the unit. Its portability allows you to move it wherever needed then store it out of the way when not in use. Plus it
can be moved to your cleaning area with ease.
Gemco's Laboratory Blenders provide a multi-capability approach to research and development and pilot applications.
Solids blending, de-lumping, liquid addition, and agglomerations are easily accomplished in minutes. For many application,
the units can also function as reaction vessels.
Only Gemco offers 3 different geometric styles and a variety of options in out 10-300 cubic foot production blenders. Each
machine is tailored to customer specifications and applications.
Total Material Processing for Granulations and Agglomerations
Gemco Formulators are Blender-Dryers with liquid addition capabilities. The system provides the ability to blend, add liquids
(several different liquids can be added sequentially or together), agglomerate , dry, and cool-down- All in one unit!
- All without wasted hours of intermediate product handling
- All without outside contamination and/or spillage
- All without employee exposure to noxious or toxic fumes
- All automatically
Gemco Formulators are available in:
- D/3 Double-Cone
- V-Shape
- Slant-Cone
A New Powder Processing System For R&D
Portable Compact Design
Gemco's ½ Cubic Foot Vacuum Dryer is the first of it's kind to be engineered as a completely integrated unit. Unlike
others, all the necessary components of the system are contained in a compact, portable stainless steel cabinet. The compact
design affords easy transportation to and from the work area for cleaning, multiple room use, and storage.
User Engineered
The ½ CF Dryer requires almost no installation. The operator rolls the unit into place, attaches two water lines, and connects
to an electrical power source. Gemco's NEMA 12 control system along with precision temperature and vacuum indicators
offers simple but accurate control of the drying process.
Cabinet doors and panels can be quickly opened and removed to access the transparent condensate receiver and internal components.
Performance
Faster drying times at a reduced cost are achieved using Gemco's ½ CF Dryer. The unit has been designed with an 18 kW
heating system that delivers up to 450 degrees F. to the vessel and a vacuum system that creates 29.5 IN Hg. A vacuum tight
slide valve with O-ring decreases leak rate to 0.3 IN Hg per hour..
Blenders-Dryers
Blend And Dry in One Operation
The basic Gemco Tumble Dryer is the initial product in this versatile line. The vessel is first charged with material then
is rotated at a low speed (normally from 2-5 rpm) while heat from 120 - 500 degrees +F and vacuum is applied. The gentle
tumble action provides maximum particle contact with the vessel wall for maximum drying efficiency. Cooling systems are
available to reduce material temperature after drying as required by the process, or for faster unloading and handling safety.
All Gemco Dryers are available with optional agitators to prevent lumping and caking during drying.
A Gemco Blender-Dryer is a dryer with an added variable speed drive system which provides the capability of rotating at
the higher speeds ( normally 5-20 rpm) required for effective blending. Thus the system can be used before or after drying.
The system is versatile enough to be used simply as a Tumble Blender, or a Tumble Dryer or as a Combined Tumble Blender-Dryer-
all depending upon the product. Agitators are installed if needed.
Choose Your Style Gemco Dryers Formulators are available in:
- D/3 Double-Cone
- V-Shape
- Slant-Cone
Northland Engineering Sales represents Gemco and other manufactures products in North Dakota, South Dakota,
Minnesota Iowa
And Wisconsin
Please contact us about Gemco Products.
PH. 651-738-7144
e-mail
If you are located outside of the 5-State Area please contact Gemco Direct for a representative in your area.
301 Smalley Ave. Middlesex, NJ 08846 732-752-7900 800-OK-GEMCO
www.GemcoValve.com