Used Pentronix PTX 370 Spray Dryer – Stainless | Rotary Atomizer | Electric Heated | Digital Controls

Manufacturer Information:

• Brand: Pentronix

• Model: PTX 370

• Type: Lab / Pilot Spray Dryer

• Condition: Used

• Construction: Stainless Steel

• Heating Method: Electric

Description:

This Used Pentronix PTX Model 370 Spray Dryer is a compact, stainless steel, electric-heated spray drying system ideal for pilot-scale or R&D use in food, chemical, pharmaceutical, and material science labs. It features a top-mounted rotary atomizer with motor, a digital inlet temperature controller, and complete electrical interface and safety functions including an on/trip/reset switch and temperature recorder.

The internal chamber dimensions are 47.5" diameter x 27.5" straight side x 26" conical bottom, with a 12" flanged bottom discharge (collector pan not included). It also includes a roller feed pump, Ono Sokki TM-225 atomizer speed controller, and a Horie Industries 0.2 kW centrifugal exhaust fan (3500 RPM).

Specifications:

• Model: PTX 370

• Material: Stainless Steel

• Heating Type: Electric

• Drying Chamber Dimensions:

  • Diameter: 47.5"

  • Straight Side Height: 27.5"

  • Conical Bottom Height: 26"

• Atomizer:

  • Top-mounted rotary atomizer

  • Controlled via Ono Sokki TM-225 speed control

  • Includes atomizer voltage gauge

• Pump: Small roller pump for liquid feed

• Discharge: 12" diameter bottom discharge with flange (collector pan not included)

• Fan: Horie Industries centrifugal fan, 0.2 kW, 3500 RPM

• Electrical Controls:

  • Digital inlet temperature controller

  • Temperature recorder

  • Thermocouple

  • Atomizer on/off button

  • Inlet & exhaust blower controls

  • Disconnect switch with on/trip/off/reset/open settings

• Condition: Used – Complete and functional without collector pan

Features:

• Rotary atomization for consistent droplet formation and powder uniformity

• Electric heating system for precise, clean, and efficient drying

• Full stainless steel construction for corrosion resistance and easy cleaning

• Integrated digital controls for temperature, blower, and atomizer operation

• Ideal for pilot production, product development, and R&D trials

• Compact form factor with robust design for continuous and batch drying

• Includes feed pump and blower system for complete spray drying operation

Applications:

• Food & beverage ingredient drying (e.g., dairy, flavors, extracts)

• Pharmaceutical product development

• Nutraceutical powder formulation

• Chemical and polymer drying

• Botanical and herbal powder production

• Material science and nanomaterial processing

• Encapsulation of actives or volatile compounds

What Might This Be Used For?

• Producing microencapsulated powders, bioactive ingredients, and flavorings

• Drying heat-sensitive or aqueous formulations in small-scale production

• Conducting R&D testing before scaling up to commercial dryers

• Developing proprietary formulations in food, pharma, or chemical labs

• Creating custom powders for functional foods, dietary supplements, or specialty chemicals

• Replacing or supplementing other bench or pilot-scale drying systems

• Supporting a formulation team with in-house, repeatable spray drying capability

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