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Item Details
Item specification details
Property Value
Item Id 438337
Item #: 438337
Item: 48in WELEX Ultraflex R75 Die
Model #: Ultraflex R75 (Welex)
Serial #: 85-9435 / Welex
Year Built: N/A
Location: California
Price: $10,000.00
Description

Machine Overview & Summary
The Ultraflex R75 (Welex) is a high-performance, 48-inch lip die / head module designed for integration into plastic sheet or film extrusion lines. Built around a licensed (U.S. Patent No. 3,890,032) design, this component provides controlled melt distribution and shaping of polymer flow prior to downstream cooling and sizing operations. Its rugged construction and modular design make it suitable for demanding industrial extrusion applications.

Specifications
Model: Ultraflex R75 (Welex)
Serial No.: 85-9435 / Welex
Die width (lip span): 48 inches
Patent reference: U.S. Patent No. 3,890,032
Heavy metal construction with precision machined internal flow paths
Mountable to standard extrusion line flanges
Designed to accept heating zones or thermal control as needed
Interfaces for seals, gaskets, and mounting hardware

Description
Module receives molten polymer melt from upstream extruder or manifold
Internal channels and manifold elements distribute melt evenly across the lip
Molten polymer exits through the slot (lip) as a continuous sheet or film
Downstream, sheet is cooled, sized, and wound or cut to final dimensions

What It Does
Provides even melt distribution across the full width of the die
Shapes molten polymer into uniform sheet or film
Dampens flow variations, surges, or pressure imbalances
Helps deliver consistent thickness quality across width
Interfaces with upstream and downstream extrusion components

Core Functions
Feed equalization and balancing of pressure/flow
Flow smoothing and suppression of turbulence
Gap control via lip geometry and adjustment
Edge control or bleed-off (if fitted) to reduce edge distortions
Structural rigidity to maintain flatness under thermal/mechanical stresses

Design Features & Benefits
Patented internal manifold design for superior uniformity
Serviceable internal parts (shims, inserts, manifold plates)
Rigid frame to preserve die gap consistency
Ability to adjust or remove bottom or top lip pieces for maintenance
Edge control provisions (bleed slots, dams) to reduce defect formation
Broad thermoplastic compatibility (PE, PP, PET, PVC etc.)
Good thermal stability and minimal gradient effects

Capabilities
Produces sheet or film up to 48 inches wide
Maintains high uniformity in thickness and flatness
Adjustable for changes in throughput or material conditions
Handles a wide range of melt temperatures (depending on polymer)
Long service life in continuous industrial usage

Applications & Industries
Plastic sheet and film extrusion
Packaging film / barrier sheet manufacturing
Construction materials (sheeting, paneling)
Electrical insulation, signage substrates, display films
Lamination, coating, composite sheet fabrication
Contract extrusion, pilot lines, retrofit markets

Additional Prep Fees May Apply
Shipping
Item shipping dimensions and specifications
Dimension Measurement
Height: N/A
Width: N/A
Length: N/A
Weight: N/A
Prep Fee: N/A
Registered customers can request free US domestic shipping quotes. Quotes take 1-3 business days to process.
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