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Nozzles (Open / Valve)

Precision Nozzles for High-Performance Hot Runner Systems

Nozzles (Open / Valve)

At HotMOLD Engineering, we manufacture advanced Hot Runner Nozzles (Open and Valve types) that ensure consistent melt flow, high efficiency, and defect-free molding. With 25+ years of expertise in hot runner system design, our nozzles are trusted worldwide for automotive, packaging, appliance, and industrial molding applications.

Built with Korean technology and Indian expertise, our hot runner nozzles are designed for uniform heating, leak-proof performance, and easy maintenance. Whether you need an open nozzle for standard applications or a valve gate nozzle for high-precision parts, HotMOLD delivers reliable and durable solutions.

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Why Choose HotMOLD Hot Runner Nozzles?

  • Available in Open & Valve Types – suitable for simple and complex injection molding.
    Uniform Heating – coil-type & brass heaters prevent cold spots and ensure smooth plastic flow.
  • Leak-Proof Design – screw-in assembly prevents resin leakage.
    Compatible with All Plastics – works with engineering resins, transparent materials, and heat-sensitive plastics.
  • Easy Maintenance – modular design allows quick dismantling and reinstallation. Customizable for Applications – various gate designs and nozzle tips available.

Types of HotMOLD Nozzles

Open Nozzles

  • Ideal for general molding applications.
  • Coil-type heaters ensure high heat efficiency.
  • Brass heater design prevents poor contact and guarantees even heating.
  • Available in different torpedo and tip designs for various resins.

Valve Gate Nozzles

  • Designed for precision molding with minimal gate vestige.
  • Supports sequential valve operation for complex, multi-cavity molds.
  • Compact design, user-friendly for easy disassembly.
  • Reduces injection pressure and improves part finish.

Applications

Our hot runner nozzles are widely used across industries such as:

  • Automotive – dashboards, trims, fenders, grills, wheel arch claddings.
  • Packaging – caps & closures, thin-wall containers, bottles.
  • Appliances – water heater covers, cooler panels, consumer electronics.
  • Industrial & Household – crates, bins, travel cases, furniture components.

Benefits of HotMOLD Hot Runner Nozzles

  • Consistent flow control for high-quality parts.
  • Quick color/material change design.
  • Supports large shot capacity (up to 2.2 Kg in some valve nozzles).
  • Reduces cycle time and material waste.
  • Improves molding precision with minimal gate marks.

Frequently Asked Question?

  • Open nozzle: plastic flows directly into the cavity – ideal for standard parts.

  • Valve gate nozzle: uses a needle to open/close the flow – best for precision, large, or aesthetic parts with no gate marks.

If you require simple molding, an open nozzle is cost-effective. For automotive, multi-cavity, or high-precision molding, valve gate nozzles are recommended.

Yes. Our nozzles are designed for engineering plastics, transparent resins, and heat-sensitive materials.

Yes. HotMOLD nozzles come with screw-in assembly and modular designs for easy replacement, cleaning, and maintenance.

Yes. We supply nozzles, manifolds, hot halves, and temperature controllers as a complete hot runner solution or as standalone components.

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