Used Rapid 1521 Lab Granulator. Capacity 88 lbs/hr. (40 kgs/hr.). 8.2" (210 mm) x 5.85" (150 mm) inlet. Rotor incl. 2 x Bed knives, 3x3 Rotating knives driven by a 2.2 KW-400 Volt/50 Cycle/ 3 Ph. Rotor speed 295 RPM. Serial # 2501761, New year 1996. Previously use in an R&D application. Over all dimensions: 18.5" (475 mm) long x 14" (360 mm) width x 53.4" (1370 mm) high. Weight 385 lbs (175 kgs). Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
Used Equipment Facts About This Machine
🏭 Manufacturer Overview
Rapid Granulator Co. is recognized for producing robust and efficient lab-scale and industrial granulators used for plastics recycling, sample reduction, and material preparation. The 1521 model is a well-known bench-top unit ideal for R&D, pilot plants, and small-batch granulation.
📝 Product Description
Model: Rapid 1521 Lab Granulator (Serial # 2501761)
Capacity: Approx. 88 lbs/hr (40 kg/hr)
Inlet Dimensions: 8.2” × 5.85” (210 × 150 mm)
Rotor Assembly: Includes 2 bed knives and 3×3 rotating knives
Rotor Specs: 2.2 kW, 400 V, 50 Hz, 3-phase motor; speed 295 RPM
Use Case: Designed for R&D applications such as plastics sample reduction, pellet regrind, and pilot-scale material preparation
Footprint & Weight: 475 × 360 × 1,370 mm (L × W × H), approx. 175 kg (385 lbs)
Manufacture Year: 1996
⚙️ Technical Specifications
Feature
Specification
Serial No.
2501761
Model
Rapid 1521 Lab Granulator
Throughput Capacity
40 kg/hr (88 lbs/hr)
Inlet Size
210 × 150 mm (8.2” × 5.85”)
Rotor Knives
2 bed knives, 3×3 rotating knives
Motor
2.2 kW, 400 V, 50 Hz, 3-phase
Speed
295 RPM
Control Features
Manual start/stop; safety interlocks; easy blade change
Applications
Lab/pilot plastics granulation and regrind
Dimensions (L×W×H)
475 × 360 × 1,370 mm
Weight
≈175 kg (385 lbs)
🎯 Typical Applications
Lab-scale plastics recycling and sample reduction
Regrind pelletizing from test extrusion or molding
Preparation of polymer samples for analysis (e.g., DSC, rheology)
Pilot plant material batching
Granulation of thermoplastics, composites, or filled plastics
Small-batch production of specialty plastics compounds
📦 Products It Helps Produce
Reground polymer regranulate
Material samples for DSC, TGA, rheology testing
Pellets for extrusion, injection molding
Sample granules of composite, filled materials
R&D trial batches for formulation testing
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