USED RAPID 1521

🏭 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