Engineered for Every Process
From high-volume pipe extrusion to precision medical molding, discover the components that drive your industry.
Applications We Power with Precision Screws & Barrels
From high-volume pipe extrusion to precision medical tubing and advanced film lines, Shri Radhe Krishna Extrusions engineers application-specific screws and barrels that drop straight into your existing machines and deliver stable melt, higher output, and long service life.
Rigid PVC / CPVC Pipe Extrusion
Precision-engineered twin-screws for high-quality pressure pipes, casing, conduit, and drainage systems.
Typical Uses: Pressure & non-pressure pipes, casing, conduit, drainage, water supply.
We Supply:
- Parallel or conical twin screws & twin barrels (drop-in replacements)
- Wear solutions: RK Lightning HVOF tungsten-carbide & ExtruMax premium coatings
Results: Bubble-free melt, tight ovality & wall-thickness control, excellent surface finish.
HDPE / PE / PPR Pipe Extrusion
High-output single-screw solutions for potable water, gas, and telecom ducting applications.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- Single screws optimized for PE/PPR with barrier & mixing sections
- Grooved-feed barrels for high output and steady pressure
- Bimetallic/nitrided barrels for abrasion & wear protection
Results: High throughput with excellent gloss and roundness.
Hose & Flexible Tubing
Specialized screw designs for soft PVC, braided, and suction hoses ensuring clarity and strong bonding.
Materials: Soft PVC & blends, TPU, flexible compounds.
We Supply:
- Screw designs for soft PVC clarity and braid adhesion
- Barrels with cooling in the feed zone for gel-free processing
- Refurbish/repair & re-coat options for high-wear lines
Results: Smooth, transparent tubing; strong reinforcement bonding; low gel count.
Drip Irrigation Lines
Low-shear screw and barrel sets tuned for consistent tape gauge and reliable emitter bonding.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- Single-screw sets tuned for low-shear, stable melt for emitter insertion/inline punching
- Barrel solutions for steady gauge and long die runs
- Wear coatings for lines running filled or recycled material
Results: Consistent tape/tube gauge, clean edges, improved emitter bonding and line uptime.
Sheet Extrusion
Vented and barrier screw designs for flat, haze-free sheet suitable for thermoforming and other applications.
Typical Uses: Air-Bubble, PP, HIPS, PVC & Thermoforming Sheet.
We Supply:
- Vented/degassing screw designs for moisture-sensitive resins
- Barrier + mixer combinations for uniform melt and optical clarity
- Bimetallic barrels suitable for filled grades
Results: Flat, haze-free sheet with stable thickness across wide widths.
Film Extrusion
High-stability grooved-feed barrels and barrier screws for excellent bubble stability, optics, and gauge control.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- High-stability grooved-feed barrels and barrier screws for bubble stability
- Designs for ABA/multilayer balancing and recycled content
- Coatings for high-slip/abrasive blends
Results: Bubble stability, strong mechanicals, excellent optics and gauge control.
Compounding & Masterbatch
Robust wear parts and heavy-duty coatings for superior dispersion and high filler loading.
Typical Uses: Color & additive masterbatch, filled compounds, recycling/reprocess lines.
We Supply:
- Single-screw sets (degassing/vent options) for reprocess & pelletizing lines
- Twin-screw wear parts (barrel liners, feed bushes, elements), and bimetallic barrels
- Heavy-duty coatings (RK Lightning / ExtruMax) for abrasive fillers (CaCO₃, glass, talc)
Results: Superior dispersion, higher filler loading capability, extended life on abrasive jobs.
Cable Extrusion
Screw profiles that minimize gels and ensure smooth, round, and concentric insulation at stable line speeds.
Materials: PVC, PE, HFFR, XLPE, EPDM, TPU.
We Supply:
- Screw profiles that minimize gels and ensure round, concentric insulation
- Feed-zone cooling & grooved sleeves where required
- Bimetallic barrels for flame-retardant and filled compounds
Results: Smooth surface finish, stable line speed, low scrap.
Profile Extrusion
Conical and parallel twin screws for rigid PVC profiles, delivering sharp corners and dimensional stability.
Typical Uses: Window & door profiles, cable ducts, WPC, edge trims.
We Supply:
- Conical/parallel twin screws & barrels for rigid PVC profiles
- Single-screw sets for PE/PP & specialty profiles
- Coatings and barrel materials suited to chalk-filled PVC/WPC
Results: Sharp corners, dimensional stability, smooth skin.
Injection Molding
General-purpose, mixing, and barrier screw designs for fast cycles and repeatable shot-to-shot consistency.
Typical Uses: Crates, containers, automotive & consumer goods.
We Supply:
- General-purpose, mixing and barrier screw designs for fast cycles and regrind tolerance
- Corrosion/abrasion-resistant barrels and tips/nozzles on request
Results: Repeatable shot-to-shot consistency, reduced black-specks, shorter cycles.
Blow Molding
Screws designed for uniform parison, high regrind use, and stable wall distribution for hollow parts.
Typical Uses: Bottles, jerrycans, technical hollow parts.
We Supply:
- Screws for uniform parison and high regrind use
- Feed-zone cooling, optional grooved sleeves for higher output
- Wear-resistant coatings for detergent/chemical containers
Results: Stable wall distribution and excellent surface finish.
Applications We Power with Precision Screws & Barrels
From high-volume pipe extrusion to precision medical tubing and advanced film lines, Shri Radhe Krishna Extrusions engineers application-specific screws and barrels that drop straight into your existing machines and deliver stable melt, higher output, and long service life.
Rigid PVC / CPVC Pipe Extrusion
Precision-engineered twin-screws for high-quality pressure pipes, casing, conduit, and drainage systems.
Typical Uses: Pressure & non-pressure pipes, casing, conduit, drainage, water supply.
We Supply:
- Parallel or conical twin screws & twin barrels (drop-in replacements)
- Wear solutions: RK Lightning HVOF tungsten-carbide & ExtruMax premium coatings
Results: Bubble-free melt, tight ovality & wall-thickness control, excellent surface finish.
HDPE / PE / PPR Pipe Extrusion
High-output single-screw solutions for potable water, gas, and telecom ducting applications.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- Single screws optimized for PE/PPR with barrier & mixing sections
- Grooved-feed barrels for high output and steady pressure
- Bimetallic/nitrided barrels for abrasion & wear protection
Results: High throughput with excellent gloss and roundness.
Hose & Flexible Tubing
Specialized screw designs for soft PVC, braided, and suction hoses ensuring clarity and strong bonding.
Materials: Soft PVC & blends, TPU, flexible compounds.
We Supply:
- Screw designs for soft PVC clarity and braid adhesion
- Barrels with cooling in the feed zone for gel-free processing
- Refurbish/repair & re-coat options for high-wear lines
Results: Smooth, transparent tubing; strong reinforcement bonding; low gel count.
Drip Irrigation Lines
Low-shear screw and barrel sets tuned for consistent tape gauge and reliable emitter bonding.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- Single-screw sets tuned for low-shear, stable melt for emitter insertion/inline punching
- Barrel solutions for steady gauge and long die runs
- Wear coatings for lines running filled or recycled material
Results: Consistent tape/tube gauge, clean edges, improved emitter bonding and line uptime.
Sheet Extrusion
Vented and barrier screw designs for flat, haze-free sheet suitable for thermoforming and other applications.
Typical Uses: Air-Bubble, PP, HIPS, PVC & Thermoforming Sheet.
We Supply:
- Vented/degassing screw designs for moisture-sensitive resins
- Barrier + mixer combinations for uniform melt and optical clarity
- Bimetallic barrels suitable for filled grades
Results: Flat, haze-free sheet with stable thickness across wide widths.
Film Extrusion
High-stability grooved-feed barrels and barrier screws for excellent bubble stability, optics, and gauge control.
Typical Uses: Potable water, gas, telecom duct, PE-RT, plumbing.
We Supply:
- High-stability grooved-feed barrels and barrier screws for bubble stability
- Designs for ABA/multilayer balancing and recycled content
- Coatings for high-slip/abrasive blends
Results: Bubble stability, strong mechanicals, excellent optics and gauge control.
Compounding & Masterbatch
Robust wear parts and heavy-duty coatings for superior dispersion and high filler loading.
Typical Uses: Color & additive masterbatch, filled compounds, recycling/reprocess lines.
We Supply:
- Single-screw sets (degassing/vent options) for reprocess & pelletizing lines
- Twin-screw wear parts (barrel liners, feed bushes, elements), and bimetallic barrels
- Heavy-duty coatings (RK Lightning / ExtruMax) for abrasive fillers (CaCO₃, glass, talc)
Results: Superior dispersion, higher filler loading capability, extended life on abrasive jobs.
Cable Extrusion
Screw profiles that minimize gels and ensure smooth, round, and concentric insulation at stable line speeds.
Materials: PVC, PE, HFFR, XLPE, EPDM, TPU.
We Supply:
- Screw profiles that minimize gels and ensure round, concentric insulation
- Feed-zone cooling & grooved sleeves where required
- Bimetallic barrels for flame-retardant and filled compounds
Results: Smooth surface finish, stable line speed, low scrap.
Profile Extrusion
Conical and parallel twin screws for rigid PVC profiles, delivering sharp corners and dimensional stability.
Typical Uses: Window & door profiles, cable ducts, WPC, edge trims.
We Supply:
- Conical/parallel twin screws & barrels for rigid PVC profiles
- Single-screw sets for PE/PP & specialty profiles
- Coatings and barrel materials suited to chalk-filled PVC/WPC
Results: Sharp corners, dimensional stability, smooth skin.
Injection Molding
General-purpose, mixing, and barrier screw designs for fast cycles and repeatable shot-to-shot consistency.
Typical Uses: Crates, containers, automotive & consumer goods.
We Supply:
- General-purpose, mixing and barrier screw designs for fast cycles and regrind tolerance
- Corrosion/abrasion-resistant barrels and tips/nozzles on request
Results: Repeatable shot-to-shot consistency, reduced black-specks, shorter cycles.
Blow Molding
Screws designed for uniform parison, high regrind use, and stable wall distribution for hollow parts.
Typical Uses: Bottles, jerrycans, technical hollow parts.
We Supply:
- Screws for uniform parison and high regrind use
- Feed-zone cooling, optional grooved sleeves for higher output
- Wear-resistant coatings for detergent/chemical containers
Results: Stable wall distribution and excellent surface finish.
Universal Compatibility
We maintain a large design library and reverse-engineering capability to provide drop-in screw & barrel sets for almost all extruder and injection models worldwide.
Send us a part sketch, sample, or basic dimensions and we’ll deliver a form-fit, performance-enhanced set with the right metallurgy and coating for your job.
Why Manufacturers Choose Us
Have a Specific Application in Mind?
Our engineers are ready to help. Let’s discuss your unique requirements and find the perfect solution for your production line.