Meler Micron+ Drum 200 Polyurethane (PUR) Hot Melt Drum Unloader – 55 Gallon

High-Capacity PUR Drum Unloader for Continuous Reactive Adhesive Processing

The Meler Micron+ Drum 200 PUR is a high-capacity hot melt drum unloader engineered for continuous processing of 55 gallon (200 liter) drums of moisture-sensitive PUR (polyurethane reactive) adhesives in demanding industrial environments. Built for high-throughput production, the system maintains a controlled melting environment that helps limit exposure to ambient moisture, reducing the risk of premature curing and preserving adhesive integrity during extended run cycles. With melting capacity up to 363 lb/hr (165 kg/h), it delivers a consistent, uninterrupted adhesive supply for large-scale PUR applications where uptime and process stability are critical.

Advanced sequential zone heating and a thermally balanced melting plate maintain consistent temperature across the adhesive surface, helping protect reactive PUR materials from thermal stress during extended production cycles. Integrated controls with real-time monitoring provide precise adjustment of temperature and pump performance, while tandem operation capability allows continuous production during drum changeovers. This ensures a stable, uninterrupted adhesive supply for high-demand PUR applications where downtime is not an option.

For lower-volume PUR applications or operations requiring more compact system configurations, see the Micron+ Drum 20 PUR pail unloader.

Key Features of the Micron+ Drum 200 PUR — 55 Gallon PUR Hot Melt Drum Unloader

• Engineered for Reactive PUR Adhesives: Maintains a controlled melting environment to help limit exposure to ambient moisture, reducing the risk of premature curing and preserving adhesive performance during extended production runs.
• High-Capacity PUR Melting System: Delivers output up to 363 lb/hr (165 kg/h) to support continuous, high-throughput PUR adhesive applications.
• Tandem Operation for Continuous PUR Production: Enables two units to operate in parallel, allowing drum changeovers without stopping production and ensuring uninterrupted adhesive supply.
• Sequential Zone Heating System: Provides controlled, uniform heat distribution to maintain stable temperature and reduce thermal stress on reactive PUR materials.
• Adhesive Delivery Control (ADA System): Automatically adjusts pump speed based on demand to maintain consistent flow, reduce adhesive waste, and improve application repeatability in PUR processes.
• Configurable Pump and System Options: Supports multiple pump sizes, voltage configurations, and melting plate types to match specific PUR application and production requirements.

PUR System Specifications

• Model: Micron+ Drum 200 PUR
• Drum Capacity: 55 Gallon Drum (200 Liter)
• Compatible Materials: PUR (Polyurethane Reactive) Hot Melt Adhesives
• Melting Plate: Smooth, Radial Fins, and Parallel Fins
• Melting Rate: Up to 363 lbs/hr (165 kg/hr)
• Number of Pumps: 1 Single Pump or 1 Double Pump, 2 Single Pumps up to 8 cc/rev
• Pumping Capacity:
• Single Pump: 1, 2.5, 4, 8, 15, 20, 30 cc/rev
• Double Pump: 2 x 0.93, 2 x 1.86, 2 x 3.71, 2 x 4.8 cc/rev
• Number of Hydraulic Outputs: 2 per Pump (3/4" UNF Thread)
• Number of Electrical Outputs: Up to 10 Outputs
• Motor Power: 0.375, 0.55, 0.75, 1.1 kW - Depending on the type of pump
• Pump Speed: 10-80 rpm (Range 0 - 100 rpm)
• Temperature Range: 104ºF to 392ºF (40ºC to 200ºC)
• Temperature Control: RTD ± 0.9ºF (0.5ºC)
• Max. Pressure: 1,160 psi (80 bar) - Do not exceed 1,015 psi (70 bar)
• Bypass Valve: Mechanical or Pneumatic
• Maximum Power Supply:
• 1 Single Pump / 2 Outputs: 9,900 W per phase
• 1 Double Pump / 4 Outputs: 11,700 W per phase
• Electrical Requirements:
• 3N ~ 400V 50/60 Hz + PE
• 3 ~ 480V 50/60 Hz + PE

Note: This system is specifically configured for PUR adhesives. Use of PUR in non-configured systems may result in premature adhesive curing and equipment damage.

Available Configurations & Options

The Micron+ Drum 200 PUR melter offers advanced configuration flexibility for reactive adhesive processing, supporting precise control, system integration, and continuous production requirements.

• Melting Plate Options: Smooth, radial fin, or parallel fin plates available to match adhesive characteristics and required melt performance
• Pump Configurations: Single pump, double pump, or dual single pump setups for higher flow demands, precise delivery, or added redundancy
• Bypass Valve Options: Mechanical or pneumatic bypass valves for controlled pressure management and reliable system operation
• Tandem Operation Capability: Dual-system configuration supports uninterrupted production during drum changeover
• Heated Hose & Applicator Integration: Compatible with a wide range of heated hose and applicator setups for demanding PUR dispensing applications
• Control & Output Configuration: Up to 10 electrical outputs for expanded control, monitoring, and integration with plant equipment
• Electrical & Voltage Options: Available in multiple voltage configurations to suit regional and facility requirements
• Optional Accessories: Additional configuration options include fume extraction and other system enhancements based on application needs

Common Applications for PUR Reactive Hot Melt Drum Unloaders

• Automotive Manufacturing
• Product Assembly Requiring High-Strength Structural Bonds
• Mattress Manufacturing
• Woodworking and Furniture Assembly
• Textile and Nonwoven Production
• Electronics and Component Assembly
• Specialty Packaging and Laminating