Used Leistritz LSM 30.34 34mm Twin Screw Extruder with Watlow Controls

Manufacturer Information

Leistritz is an established manufacturer of twin screw extrusion equipment and processing systems used in plastics, polymer compounding, and specialty material processing. Leistritz extrusion technology is used for applications requiring controlled material mixing, melting, and processing. Twin screw extruders are commonly utilized in polymer development, compounding, pellet production, and specialized manufacturing environments.

Main Product Description

Used Leistritz Model LSM 30.34 34mm twin screw extruder configured for pellet extrusion and previously operated in an ISO 13485-certified medical device manufacturing facility. Manufactured in 1989, this industrial extrusion system features a 16 kW (approximately 21.5 HP) drive rated at 380V, 60 Hz, with a maximum screw speed of 300 RPM. The barrel heating system is rated at 7 kW, 240V, and incorporates multiple independently controlled heating zones with Watlow temperature controllers for controlled extrusion processing. Equipment includes a Leistritz gearbox, feed hopper, barrel assembly, electrical control cabinet, and operator control panel. Electrical components were updated in 2020, and the gearbox seal was replaced in 2022. The machine reportedly has accumulated limited production hours since refurbishment, with the Siemens hour meter displaying approximately 9,166 hours. Serial number 330.1754.01. Includes approximately one pallet of spare parts. Previously used in medical device manufacturing, with potential applications in polymer compounding, pellet production, specialty plastics processing, and research and development.

Product Specifications

• Manufacturer: Leistritz

• Model: LSM 30.34

• Equipment Type: Twin Screw Extruder

• Screw Diameter: 34 mm

• Extrusion Configuration: Twin Screw

• Processing Configuration: Pellet Extrusion

• Drive Power: 16 kW (approximately 21.5 HP)

• Drive Voltage: 380V

• Drive Frequency: 60 Hz

• Maximum Screw Speed: 300 RPM

• Barrel Heating Power: 7 kW

• Barrel Heating Voltage: 240V

• Heating Configuration: Multiple Independently Controlled Zones

• Temperature Controllers: Watlow

• Gearbox Manufacturer: Leistritz

• Feed Hopper: Included

• Barrel Assembly: Included

• Electrical Control Cabinet: Included

• Operator Control Panel: Included

• Year Manufactured: 1989

• Electrical Component Updates: 2020

• Gearbox Seal Replacement: 2022

• Hour Meter: Siemens

• Displayed Hours: Approximately 9,166

• Spare Parts: Approximately One Pallet Included

• Previous Facility: ISO 13485-Certified Medical Device Manufacturing Facility

• Serial Number: 330.1754.01

• Condition: Used

• Post-Refurbishment Usage: Reportedly Limited

Industrial Applications

• Polymer Compounding

• Plastic Pellet Extrusion

• Specialty Plastics Processing

• Medical Device Material Processing

• Polymer Research and Development

• Laboratory and Pilot-Scale Extrusion, Subject to Throughput Requirements

• Thermoplastic Material Processing

• Extrusion Process Development

Suitable Products and Materials

Subject to screw configuration, processing temperature, material compatibility, and application verification:

• Thermoplastic Polymers

• Plastic Compounding Materials

• Polymer Pellets

• Specialty Plastic Formulations

• Medical Device Polymer Materials

• Polymer Research Formulations

• Compatible Plastic Additives and Compounds

Frequently Asked Questions

- What is the screw diameter of this Leistritz extruder?

This Leistritz Model LSM 30.34 is identified as a 34mm twin screw extruder configured for pellet extrusion.

- What is the drive power and maximum screw speed?

The extruder features a 16 kW (approximately 21.5 HP) drive rated at 380V, 60 Hz, with a maximum screw speed of 300 RPM.

- What temperature control system does this extruder use?

The machine incorporates Watlow temperature controllers with multiple independently controlled barrel heating zones. The heating system is rated at 7 kW, 240V.

- Was this extruder previously used in medical device manufacturing?

Yes. The extruder previously operated in an ISO 13485-certified medical device manufacturing facility. This identifies the previous manufacturing environment and does not establish certification of the individual machine.

- What maintenance and upgrades have been performed?

Electrical components were updated in 2020, and the gearbox seal was replaced in 2022. The machine reportedly accumulated limited production hours following refurbishment.

- How many operating hours are displayed on the extruder?

The Siemens hour meter displays approximately 9,166 hours. This is the reported meter reading, not independently verified total lifetime operating hours.

- Are spare parts included with this Leistritz twin screw extruder?

Yes. Approximately one pallet of spare parts is included. Buyers should confirm the individual spare components with Aaron Equipment.

- What applications is this twin screw extruder suitable for?

Potential applications include polymer compounding, pellet extrusion, specialty plastics processing, and research and development, subject to process compatibility.

- Can Aaron Equipment help determine whether this extruder is suitable for my application?

Aaron Equipment can assist buyers with available equipment specifications, included components, and questions about this used Leistritz extruder. Contact the sales team to discuss your material processing requirements.

- Can Aaron Equipment assist with shipping this twin screw extruder?

Aaron Equipment can assist with shipping and logistics inquiries for this used extrusion system and its spare parts. Contact the sales team to discuss equipment dimensions, loading arrangements, shipping destinations, and transportation options.