The Witte Co., Inc.

Food Grade Dryer/Classifier integrates fines collection.
Material Processing

Food Grade Dryer/Classifier integrates fines collection.

Used for processing jobs in low volumes or in pilot scale lab settings, Witte 418-D integrates vibrating fluid bed dryer, wire mesh fines collection screen, steam-heated air supply, and cyclone exhaust with blower in one unit. Multi-step system meets USDA, FDA, and 3-A requirements and also features HEPA filters as well as exhaust air silencer to comply with OSHA specifications. Options include...

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Fluid-Bed Dryers and Coolers prevent product blockages.
Electronic Components & Devices

Fluid-Bed Dryers and Coolers prevent product blockages.

Dryers and coolers incorporate stainless steel decks that permit intimate product contact with drying air. Wedge-wire decks, with tapered slots measuring 1/100 in. on 1/8 in. centers, replace drilled-hole decks. Triangular-wire construction establishes immediate openings for airflow that prevent blinding and ease cleaning, while gentle airflow prevents product degradation, promotes product...

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Test & Measurement

Automatic Weirs promote flush cleanout.

Autoweirs feature pneumatically operated radius gates that automatically rotate 60° upwards and above decks of fluid bed dryers and coolers on cycle timer to permit real-time adjustment of bed depth and retention time. They enable operators to accelerate or slow rate of product advance during operation to achieve desired specifications for moisture content, shape, purity, crystalinity, and...

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Air Distribution System eliminates dead spaces.

Product offers CNC-punched air distributors placed below dryer deck to generate consistent, vertical air flow at constant velocity. Directing uniform air flow perpendicular to dryer deck throughout entire length of fluid bed, dual air distributors prevent formation of dead spaces that occur when air flow is angled or inconsistent. Unit's air distributors also eliminate conditions that cause...

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Drying System inhibits foods from sticking together.
Fluid & Gas Flow Equipment

Drying System inhibits foods from sticking together.

Open access fluid bed drying system offers pre-drying zone that pre-treats sticky, extruded, and expanded products by removing outer layers of moisture that cause particles to stick together. Installed after dewaterer, pre-dryer permits smooth movement from Teflon-coated pre-dryer deck into vibrating fluid bed drying section. Pre-drying prevents blockages and reduces need for maintenance. Unit...

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Sanitary Clamp meets USDA, 3-A standards.
Electrical Equipment & Systems

Sanitary Clamp meets USDA, 3-A standards.

Sanitary Clamp permanently mounts on food and dairy processing, packaging, and material handling equipment to deliver up to 750 lbs of clamping force, yet retracts for instant access to machine or system. Made entirely of FDA-approved stainless steel or with aluminum frame, corrosion-resistant clamp is suitable for Clean In Place, Steam In Place, and manual washdown conditions. It features yoke...

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Agricultural & Farming Products

Dewatering System drys, cools, and screens.

Model 400 integrated, multi-step system for pelletizing lines combines dewatering, drying, cooling, dedusting, and screening into single unit. It delivers product moisture levels at 0.04% in nylon applications and 0.10% in polyethylene, polystyrene, polypropylene, polyvinyl chloride, polyesters, polyurethanes and other commodity and engineering resins. Suitable for friable, glass-filled, and...

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Drying System eliminates exhaust to atmosphere.
Fluid & Gas Flow Equipment

Drying System eliminates exhaust to atmosphere.

Self-contained, closed-cycle, fluid bed-drying system dries solvent-based products, pesticides, and chemicals. Integral bag collector, atop of fluid bed dryer, permits processing of powders down to 10 microns, capturing 100% of entrained product and returning material for further processing and discharge. System cools exhaust air to condense and reclaim solvent and/or water for reuse, without...

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Fluid Bed Drying System recycles exhaust air.
Fluid & Gas Flow Equipment

Fluid Bed Drying System recycles exhaust air.

Drying system recycles 75% of heated exhaust air through continuous pulse jet dust collector and reheats it in natural gas burner, during drying of rice, salt, limestone, sawdust, polymers, inorganic chemicals and other products that require temperatures of 150+ Â-ºF. System permits process to operate at high outlet moisture while staying comfortably above dew point of final exhaust air.

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