Used Davis Standard 1.5" Extruder – Model 150IN DS-20, 24:1 L/D, Vented Barrel, 50 HP Gearbox

Manufacturer Information

• Manufacturer: Davis-Standard

• Model: 150IN DS-20

• Type: Single Screw Extruder

• Year Built: 1984 (gearbox manufactured 1998)

• Condition: Used – good operating condition

Description

This used Davis-Standard 1.5” single screw extruder, Model 150IN DS-20, features a 24:1 L/D vented barrel at a 42” centerline height, ideal for a wide range of extrusion applications including compounding, pelletizing, and profile extrusion.

The unit is equipped with a Davis-Standard 6.53:1 gearbox rated for 50 HP with a service factor of 1.25, supporting a maximum screw speed of 152 RPM. The gearbox was manufactured in 1998, paired with a non-tagged motor driven by a Reliance GV3000 AC drive for precise speed and torque control.

Includes a unitized temperature control panel for accurate barrel heating and cooling and a 4-hole strand die mounted on the barrel, ready for production.

Built in 1984, this extruder remains a solid, reliable choice for pilot lines, compounding systems, and small-scale plastic extrusion operations.

Specifications

• Manufacturer: Davis-Standard

• Model: 150IN DS-20

• Type: Single Screw Extruder

• Screw Diameter: 1.5 inches

• L/D Ratio: 24:1

• Barrel: Vented type

• Centerline Height: 42 inches

• Gearbox Ratio: 6.53:1

• Gearbox Rating: 50 HP, Service Factor 1.25

• Screw Speed: 152 RPM max

• Gearbox Year: 1998

• Motor Drive: Reliance GV3000 AC drive (non-tagged motor)

• Die: 4-hole strand die on barrel

• Temperature Control: Unitized control panel

• Year Built: 1984

• Condition: Used – functional and complete

Applications

• Plastic compounding and pelletizing

• Profile and tubing extrusion

• Wire and cable insulation

• Film and sheet extrusion (pilot operations)

• Polymer testing and formulation

• Laboratory and pilot-scale extrusion

• Masterbatch and color concentrate production

• Rubber or elastomer processing

• Regrind and recycling extrusion

• Co-extrusion pilot line component

What Might This Be Used For?

This Davis-Standard 1.5” extruder is ideal for processing thermoplastic materials in pilot or small-scale production lines. With its vented barrel, temperature controls, and reliable gearbox, it is suitable for compounding, testing formulations, or producing pellets and profiles. Commonly used in plastics, wire coating, or lab-scale extrusion setups.

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