Luwa 21.6 Sq. Ft. 316L Stainless Steel Thin Film Evaporator

MANUFACTURER INFORMATION

• Manufacturer: Luwa
• Model: NL3-300/2200/HT
• Serial number: 13107
• Equipment type: Thin film evaporator
• Configuration: Vertical
• Category: Evaporators
• Subcategory: Wipe Film – Thin Film
• Stock number: 69401
• Condition: Used
• Known condition note: Missing support ring

MAIN PRODUCT DESCRIPTION

Used Luwa model NL3-300/2200/HT vertical thin film evaporator constructed of 316L stainless steel with approximately 21.6 square feet of heat-transfer area. The evaporating section measures 12 inches in diameter by 96 inches long and is divided into two sections. The internal chamber is rated for full vacuum at 365°F, and the jacket is rated for approximately 150 psi at 365°F. The evaporator features a 3-star Type L rotor, radial separator, conical bottom with a 2-inch-diameter product discharge, 12-inch-diameter vapor outlet, and mechanical seal. The rotor assembly is driven by a 7.5 HP belt-drive motor rated for 3-phase, 60 Hz, 230/460-volt service at 1,720 rpm. This used evaporator is missing its support ring, and buyers should confirm repair requirements, process suitability, capacity, product-contact specifications, and included components before purchase.

SPECIFICATIONS

• Manufacturer: Luwa
• Model: NL3-300/2200/HT
• Serial number: 13107
• Stock number: 69401
• Equipment type: Thin film evaporator
• Configuration: Vertical
• Heat-transfer area: 21.6 square feet
• Material of construction: 316L stainless steel
• Evaporating-section diameter: 12 inches
• Evaporating-section length: 96 inches
• Evaporating sections: Two
• Internal rating: Full vacuum at 365°F
• Jacket rating: Approximately 150 psi at 365°F
• Rotor: 3-star Type L rotor
• Separator: Radial separator
• Bottom design: Conical
• Product discharge: 2 inches in diameter
• Vapor outlet: 12 inches in diameter
• Seal: Mechanical seal
• Drive arrangement: Belt drive
• Motor horsepower: 7.5 HP
• Motor electrical: 3 phase, 60 Hz, 230/460 volts
• Motor speed: 1,720 rpm
• Condition: Used
• Known missing component: Support ring

PRODUCT DETAILS

• Used Luwa vertical thin film evaporator
• Model NL3-300/2200/HT
• Serial number 13107
• 21.6-square-foot heat-transfer area
• 316L stainless steel construction
• 12-inch-diameter by 96-inch-long evaporating surface
• Two-section evaporating body
• Full-vacuum internal rating at 365°F
• Jacket rated for approximately 150 psi at 365°F
• 3-star Type L rotor
• Radial separator
• Conical bottom
• 2-inch product discharge
• 12-inch vapor outlet
• Mechanical seal
• 7.5 HP belt drive
• 230/460-volt, 3-phase motor
• 1,720 rpm motor speed
• Missing support ring

APPLICATIONS

• Continuous evaporation
• Product concentration
• Vacuum evaporation
• Solvent removal
• Solvent recovery
• Distillation
• Devolatilization
• Removal of low-boiling components
• Processing heat-sensitive materials
• Concentration of viscous products where technically compatible
• Chemical processing
• Pharmaceutical processing
• Food-ingredient processing
• Cosmetic and personal-care processing
• Oil, wax, and resin processing

SUITABLE PRODUCTS AND MATERIALS

Suitability must be confirmed through process testing and engineering review.

• Heat-sensitive liquids
• Temperature-sensitive concentrates
• Chemical solutions
• Pharmaceutical intermediates
• Compatible active pharmaceutical ingredients
• Solvent-containing mixtures
• Food concentrates
• Flavors and extracts
• Cosmetic ingredients
• Personal-care ingredients
• Oils
• Waxes
• Resins
• Polymer solutions
• Viscous liquids
• Fouling or scaling products where compatible with the rotor design
• Products requiring short residence time
• Products requiring evaporation under vacuum
• Materials compatible with 316L stainless steel and the installed seal

FAQS

• WHAT IS THE HEAT-TRANSFER AREA OF THIS LUWA EVAPORATOR?
The unit has approximately 21.6 square feet of heat-transfer area.

• WHAT MODEL IS THIS THIN FILM EVAPORATOR?
It is a Luwa model NL3-300/2200/HT with serial number 13107.

• WHAT MATERIAL IS THE EVAPORATOR MADE FROM?
The listing identifies the evaporator as constructed of 316L stainless steel. Buyers should confirm the material specifications for every product-contact component.

• IS THIS A VERTICAL OR HORIZONTAL EVAPORATOR?
This is a vertical thin film evaporator.

• WHAT ARE THE EVAPORATING-SURFACE DIMENSIONS?
The evaporating surface measures 12 inches in diameter by 96 inches long and consists of two sections.

• CAN THE EVAPORATOR OPERATE UNDER VACUUM?
The internal chamber is rated for full vacuum at 365°F.

• WHAT IS THE JACKET RATING?
The jacket is rated for approximately 150 psi at 365°F.

• WHAT TYPE OF ROTOR IS INSTALLED?
The evaporator has a 3-star Type L rotor.

• WHAT TYPE OF SEPARATOR IS INCLUDED?
The unit includes a radial separator.

• WHAT ARE THE DISCHARGE AND VAPOR-OUTLET SIZES?
The conical bottom has a 2-inch-diameter product discharge, and the vapor outlet is 12 inches in diameter.

• WHAT MOTOR IS INSTALLED?
The unit is driven by a 7.5 HP belt-drive motor rated for 3-phase, 60 Hz, 230/460-volt electrical service at 1,720 rpm.

• IS ANY COMPONENT MISSING?
Yes. The listing states that the support ring is missing. Buyers should determine the required repair or replacement before installation.

• WHAT IS THE EVAPORATION CAPACITY?
The operating or evaporation capacity is not specified. Capacity depends on the product, feed composition, viscosity, temperatures, vacuum level, desired concentration, and available heat-transfer conditions.

• CAN THIS EVAPORATOR HANDLE HEAT-SENSITIVE MATERIALS?
Thin film evaporators are commonly evaluated for heat-sensitive products because they can provide a thin product film and short residence time. Actual suitability must be confirmed for the specific process.

• CAN AARON EQUIPMENT HELP DETERMINE WHETHER THIS EVAPORATOR FITS MY PROCESS?
Yes. Provide Aaron Equipment with the product composition, viscosity, feed rate, inlet and outlet concentrations, operating temperatures, vacuum requirements, available utilities, and desired evaporation rate so the equipment can be evaluated for the application.

• CAN AARON EQUIPMENT HELP WITH THE MISSING SUPPORT RING?
Contact Aaron Equipment to discuss the condition of the missing support ring and whether repair, fabrication, replacement, or equipment-shop services may be available.

• CAN AARON EQUIPMENT ASSIST WITH SHIPPING?
Yes. Aaron Equipment can help coordinate domestic or international shipping. Request the overall dimensions, dismantled dimensions, shipping weight, rigging requirements, and freight options when obtaining a quote.

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