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Automatic HDPE Jacket Pipe Extrusion Line for PU Pre-Insulated Pipes— Equipment Composition List
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Qingdao Huashida Machinery Co., Ltd. | Pre-Insulated Pipeline PE Outer Jacket Pipe Production Line
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No.
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Equipment Name
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Specification / Model
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Qty
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Function Description
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1
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Raw Material Hopper & Auto Loader
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Stainless steel hopper, vacuum auto-loading
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1 set
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Stores PE resin and automatically conveys raw material into the extruder feed throat; reduces manual labor and ensures continuous feeding.
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2
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Single Screw Extruder
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SJ-150 / 33
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1 set
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Core extrusion unit; plasticizes and melts PE resin with stable output, designed for large-diameter jacket pipe production.
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3
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Extrusion Die Head (Mold)
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Spiral mandrel die, Φ1155–2000mm range
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1 set
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Forms molten PE into a continuous tubular shape; ensures uniform wall thickness and concentricity of the jacket pipe.
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4
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Vacuum Calibration Tank
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Stainless steel, vacuum + water cooling
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1 set
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Fixes pipe diameter and roundness under vacuum; cools and sizes the extruded pipe with precise dimensional control.
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5
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Haul-off Machine (Tractor)
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multi-track, variable speed
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1 set
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Pulls the pipe forward at a constant speed synchronized with extrusion; maintains stable production line speed.
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6
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Planetary Chipless Cutter
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Planetary rotary cutting, dust-free
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1 set
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Cuts PE jacket pipe to required lengths automatically; produces clean, burr-free cut ends without material waste.
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7
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Pipe Discharge Rack
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1 set
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Receives and stacks finished pipes
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8
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Electrical Control Cabinet
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PLC + touch screen HMI, inverter drive
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1 set
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Central control system; monitors and regulates temperature, speed, vacuum and cutting parameters for fully automatic operation.
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Note: Specifications are configurable based on pipe diameter range (Φ110–2000mm) and customer production requirements.
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