Used Patterson-Kelley 100 cu. ft. Twin-Shell Vacuum Dryer | 150 PSI / Full Vacuum | 10 HP Hazardous Duty | 304 SS | Serial #204190

Used Patterson-Kelley 100 cu.ft. twin shell vacuum dryer. Jacket is rated for the 30 psi @ 250 F. The drying chamber is rated for 150 psi and full vacuum. Drying chamber is designed to turn between .96 to 7.66 rpm using a 10 hp reeves drive. Motor is tagged for hazardous location. The outer shell of each chamber measures 56" diameter x 96". The chamber has an 18" access panel. There is a 12" discharge at the bottom. Contact surfaces are constructed of 304 stainless steel and the jacket is carbon steel. Maximum density of product is 75 lbs per cu.ft. Overall dimensions are 19' 9" long x 83" wide x 10'1" tall. Serial # 204190. Requires 460 vac 3 phase electrical supply.

Used Equipment Facts About This Machine
🏭 Manufacturer
Patterson-Kelley
Known for their robust twin-shell and V-cone blending and drying equipment, Patterson-Kelley is a top choice in pharmaceutical, chemical, and food industries for low-shear mixing and vacuum drying applications.

📝 Description
This used Patterson-Kelley 100 cu. ft. twin-shell vacuum dryer is a large-capacity rotary drying system featuring 304 stainless steel contact surfaces and a carbon steel jacket. Built for hazardous-duty operation, this dryer is rated for full vacuum and 150 PSI internally, with a jacket rated at 30 PSI @ 250°F for efficient thermal processing.
The unit is powered by a 10 HP Reeves variable-speed drive, enabling rotational speeds from 0.96 to 7.66 RPM, ideal for drying temperature-sensitive or low-shear materials. The twin chambers measure 56” diameter × 96” long, and the system includes a 12” discharge outlet, 18” access panel, and is designed for materials up to 75 lbs/cu.ft. in density.

⚙️ Specifications

Model: Twin-Shell Vacuum Dryer

Capacity: 100 cu. ft.

Serial #: 204190

Shell Dimensions:

Diameter: 56"

Length: 96"

Shell Construction: 304 Stainless Steel

Jacket Construction: Carbon Steel

Product Density (Max): 75 lbs/cu.ft.

Vacuum Rating: Full vacuum

Internal Pressure Rating: 150 PSI

Jacket Rating: 30 PSI @ 250°F

Drive System:

10 HP Reeves variable-speed drive

Speed range: 0.96 – 7.66 RPM

Hazardous duty rated motor

Discharge Outlet: 12" bottom discharge

Access Panel: 18"

Electrical: 460V / 3 Phase

Overall Dimensions:

Length: 19’ 9”

Width: 83”

Height: 10’ 1”

Condition: Used, excellent for high-capacity vacuum drying

🧪 Applications
Ideal for large-batch drying and mixing in:

Pharmaceutical powders and granules

Nutraceutical ingredients

Chemical intermediates and compounds

Food-grade powders and ingredients

Cosmetics and personal care products

Pigments and coloring agents

Drying of polymer additives

Detergent powders and household goods

Metal powders and oxides

Battery material drying

📦 What Products Would This Be Used For?

Powdered antibiotics or APIs

Vitamin blends and bulk supplements

Milk or whey powders

Pharmaceutical excipients

Herbal extract powders

Baby formula base blends

Powdered enzyme or catalyst materials

Industrial detergent compounds

Dry pigment batches

Functional food additive powders
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