Melt Pump Solutions | Batte Melt Pump - Precision Extrusion Technology

Batte: Leader in Melt Pump Technology

Batte has accumulated extensive experience in the application and manufacturing of melt pumps. As a pioneer in precise plastic extrusion technology, we have conducted in-depth research on pump performance, equipment structure, control systems, and operational efficiency—achieving consistent breakthroughs in industrial reliability and precision.

Melt pumps are known as the "best friend of the extruder." By transporting high-temperature plastic melt from the extruder to the die with exceptional pressurization, stabilization, and metering capabilities, they outperform any standalone extruder in flow consistency.

When integrated in series with single or twin-screw extruders, melt pumps significantly enhance the performance of the entire extrusion line—reducing waste, improving product quality, and enabling energy-efficient production cycles.

Why Use a Melt Pump?

Enhance your extrusion process with unmatched stability and efficiency.

Minimize Tolerances

Reduce dimensional variation in extruded products, allowing more output per unit of material and less scrap.

Improve Quality & Output

Achieve consistent melt flow for higher-quality end products and increased production throughput.

Energy Efficiency

Shorten production cycles and reduce energy consumption by stabilizing pressure and flow.

Multi-Extruder Feeding

Feed material from multiple small or medium extruders into a single melt pump for centralized processing.

Our Melt Pump Series

Engineered for precision, durability, and compatibility across industries.

ZB-B Standard Melt Pump

For extruder pressurization, flow stabilization, and transport of medium to high-viscosity polymers. Electric heating design ensures uniform temperature control.

Capacity: 0.5–3200 cc/rev
Applications: Single/twin-screw extruders

ZB-C Reinforced Melt Pump

Heavy-duty construction for high-pressure environments. Ideal for demanding extrusion processes requiring enhanced structural integrity.

Design: Reinforced housing & bearings
Use Case: High-stress polymer processing

ZB-F Melt Pump for Reactor

Designed to transport high-viscosity media from vacuum reaction kettles. Features large suction inlet flange for optimal vacuum performance.

Function: Vacuum discharge
Media: High-viscosity polymers, resins

ZB-D Pipeline Gear Pump

Used for pressurization and stabilization in polymer flow lines. Uses conduction oil heating. Compatible with PET, PBT, PA, PC, PS, SAN.

Heating: Conduction oil
Materials: Engineering plastics

ZB-R Rubber Extrusion Pump

Efficient gear pump for rubber and elastomer extrusion. Ensures stable flow and pressure in high-viscosity rubber processing.

Application: Tire, sealant, gasket production
Type: Positive displacement

ZB-U Spinning Pump

Precision metering pump for fiber spinning applications. Ensures uniform melt delivery for consistent filament quality.

Use: Melt spinning, nonwovens
Accuracy: ±0.5% flow consistency

ZB-W Chemical Metering Pump

For low-viscosity chemical and pharmaceutical transport. Ideal for monomer and oligomer handling in polymer production.

Industries: Pharma, medical tubing, film
Function: Quantitative chemical feeding

ZB-H High Temp & Pressure Pump

Built for extreme conditions. Handles high-temperature, high-pressure environments in advanced polymer and specialty resin extrusion.

Max Temp: Up to 400°C
Pressure: High-integrity sealing

ZB-E Pressurized Melt Pump

Circular design for continuous pressurization in closed-loop systems. Ideal for recycling and reprocessing lines.

Design: Circular housing
Use: Recycling, regrind processing

PLC Control System

Integrated automation for extrusion lines. Real-time monitoring, speed control, and fault diagnostics for optimal pump performance.

Compatibility: All ZB series
Features: Touch HMI, data logging

PID Control System

Precise temperature and pressure regulation. Ensures stable operation and minimizes process drift in sensitive applications.

Function: Feedback control
Integration: With melt pumps & extruders

Melt Pump Spare Parts

High-quality replacement gears, bearings, seals, and housings. Ensure long service life and minimal downtime.

Availability: Global shipping
Materials: Wear-resistant alloys

How Melt Pumps Work

Melt pumps are positive displacement gear pumps with a strict proportional relationship between flow rate and pump speed. They consist of a pump housing, driving and driven gears, sliding bearings, front and rear cover seals, and precision-machined gear teeth.

The inlet, transport, and discharge zones are formed by the meshing of two gear tooth profiles with the pump housing and side plates. As the gears rotate, the volume between the teeth increases at the inlet, drawing in molten polymer. The melt is then carried around the housing and expelled under pressure at the discharge port.

This design ensures highly accurate metering, exceptional pressure stability, and consistent output—critical for high-precision extrusion and polymer processing.

Gear meshing creates precise volumetric displacement for consistent melt flow.

Frequently Asked Questions

What is a melt pump used for?

A melt pump transports high-temperature polymer melt from an extruder to a die, providing pressurization, flow stabilization, and precise metering. It improves product consistency and reduces waste.

Can melt pumps be used with twin-screw extruders?

Yes. Melt pumps are commonly paired with both single and twin-screw extruders to stabilize output and improve process control, especially in precision extrusion applications.

What materials are compatible with Batte melt pumps?

Our pumps handle a wide range of polymers including PET, PBT, PA, PC, PS, SAN, rubber, resins, and reactive monomers. Heating methods (electric or oil) are selected based on material requirements.

Do you offer control systems?

Yes. Batte provides both PLC and PID control systems for full automation, real-time monitoring, and precise regulation of pump speed, temperature, and pressure.

Are spare parts available?

Yes. We supply high-quality replacement gears, bearings, seals, and other critical components to ensure long-term reliability and minimal downtime.

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Precision Melt Pumps for Industrial Extrusion