Pipe, Film & Sheet Extrusion Line Insulation Jacket
Pipe and film extrusion lines are among the most continuous, hardest-working machines in any plastics plant — often running 24 hours a day, 6 days a week. Every uninsulated heater watt is a watt paid for and then lost to the shed roof. IHEAT's IWRAP insulation jacket wraps the entire pipe/film extrusion barrel, die head, adapter and screen changer, delivering 25–35% heater electricity savings and 3–4 month payback on typical Indian lines.
Continuous operation = continuous energy loss
Unlike batch machines, pipe and film extrusion lines rarely stop. A HDPE pipe line runs 22–24 hours a day, 300+ days a year. That means every kilowatt of radiant heat loss from an uninsulated barrel or die head is multiplied by ~7,500 operating hours annually. The economic case for insulation on continuous extrusion is stronger than any other machine category.
Real numbers from a 90mm HDPE pipe line in Ahmedabad: pre-insulation heater consumption was 27.4 kWh/hr; post-IWRAP it dropped to 19.1 kWh/hr — a 30% reduction. Annual saving at ₹8.5/kWh × 7,500 hrs = ₹5.28 lakh per line.
IWRAP for pipe extrusion — full-line coverage
We manufacture jackets for every heated element on a pipe extrusion line: the barrel (multiple heater zones), gearbox oil-tank cover (optional), adapter, screen changer, die head, and the die-face flange. All pieces are custom-sized to your machine — no generic wrappers, no waste.
For PVC pipe lines, we use a thicker jacket variant to handle the process-temperature range (170–210°C) while keeping external touch temperature under 45°C. For HDPE and PPR lines (200–260°C), the standard IWRAP jacket handles all zones comfortably.
IWRAP for film & sheet extrusion
Blown-film and sheet-die extruders benefit from IWRAP in two ways: (1) direct electricity savings on the barrel and die head, and (2) improved gauge control because the die head holds temperature within ±1°C. Film thickness variation on a well-insulated line often drops from ±4% to ±2% — a major quality improvement that reduces returns and complaints from converters.
We manufacture die-head jackets to fit annular film dies, T-slot sheet dies and coat-hanger sheet dies. All jackets include cut-outs for heater band terminals, pressure transducers and melt-temperature probes.
ROI on continuous extrusion is faster than any other category
Because pipe and film lines run more hours than any other plastic machine, IWRAP pays back faster here than anywhere else — often in under 3 months for HDPE pipe, and as fast as 2 months on 24/7 blown-film lines. Every year after payback the savings compound: a single line typically saves ₹4–6 lakh/year, and one plant we work with saves over ₹40 lakh/year across their 8-line pipe extrusion facility.
Frequently Asked Questions
Does insulation help with film gauge control and pipe wall thickness?+
Yes. IWRAP holds die-head temperature within ±1°C, which stabilises melt viscosity and dramatically improves gauge control. Film thickness variation often drops from ±4% to ±2%, and pipe wall thickness deviation reduces by 30–40%.
Can IWRAP handle 24/7 continuous operation on pipe extrusion?+
Yes. All IWRAP jackets are designed for continuous operation and rated to 550°C — well above pipe/film extrusion process temperatures. Warranty is 24 months regardless of operating hours.
What is the payback period for insulating an HDPE pipe extrusion line?+
Typically 60–100 days for a 90mm HDPE pipe line running 22 hrs/day at ₹8.5/kWh. Higher-tonnage lines and 24/7 operation see faster payback. Use iheat.in/roi-calculator for a line-specific estimate.
Is the jacket suitable for PVC pipe extrusion where dies run hotter?+
Yes. IWRAP is rated to 550°C continuous. PVC process temperatures are 170–210°C — well within the jacket's operating range. We use a heavier-duty variant for PVC to maintain touch-temperature under 45°C.
Related insulation solutions
Ready to cut heater electricity bills by 20–35%?
Send us your barrel dimensions and heater load — our engineers respond with a custom IWRAP quotation within 24 hours.