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  • ZM-J系列挤出用齿轮泵.webp

ZM-J Series Gear Pump For Extrusion

The Melt Gear Pump is a positive-displacement, positive-pressure pump. Its output flow can be adjusted by varying the pump’s rotational speed. It is recommended to use variable-frequency speed control, which can achieve nearly linear flow output from the gear pump.
  • Commodity name： ZM-J Series Gear Pump For Extrusion

Category:

Melt Gear Pump

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Product Details

  • 产品描述

  • The materials that the Melt Gear Pump can convey mainly include:

    Thermoplastic Materials and Their BlendsRubber and Elastomer Materials

    PET PBT PTT

    PA6 PA66 PA12

    PE LDPE LLDPE HDPE HMWPE

    PP EVA PB

    PB PS HIPS ABS SAN

    PC PEEK PMMA POM

    TPU PLA PBS

    NR BR CR NBR

    IR IIR

    SBR HNBR

    EPM EPDM

    PU TPU

    ACM CSM

    ECO SI

    The primary function of a melt pump is:

    1. Significantly improves the stability of die pressure, thereby enhancing product quality;

    2. It can achieve near-linear flow output and is easy to control;

    3. Increase extrusion output and boost production;

    4. Reduce the extruder load, save energy, and lower costs;

    Installation Structure of the Melt Gear Pump

    It is recommended to use a universal coupling to connect the reducer and the Melt Gear Pump, thereby eliminating the effects of thermal deformation. The Melt Gear Pump is a positive-displacement, forced-feed pump; its output flow rate can be adjusted by varying the pump’s rotational speed. It is recommended to adopt variable-frequency speed control, which can achieve nearly linear flow output from the gear pump.

    Material Configuration of the Main Structure of the Melt Gear Pump

    Material GroupHousingGearBearing bushingEnd plateFeatures and Applicable Operating ConditionsNote
    AStandard typeNitrided steelNitrided steelTool steelAlloy steel

    Good wear resistance, high toughness, and excellent cost performance.

    Suitable for most operating conditions with low abrasiveness.

    		Spare parts support
    HHigh wear-resistant typeNitrided steelHigh-speed steel/coatingHigh-speed steel/ceramicAlloy steel

    High strength, high wear resistance

    Suitable for abrasive wear conditions

    		Customized required
    SSCorrosion-resistantStainless steelNitrided steelTool steelStainless steelWear-resistant and corrosion-resistant, suitable for low-corrosion service conditions.Customized required
    HSHigh-corrosion-resistant typeStainless steelStainless tool steelStainless tool steelStainless steelHigh corrosion resistanceCustomized required
    TCustom-madeSpecial alloySpecialty materialsSpecialty materialsSpecialty materials

    High-temperature resistance or high corrosion resistance

    Suitable for operating conditions with special requirements.

    		Customized required

    ZM-J Series Melt Gear Pump for Extrusion—Economical Design, Simpler Sealing Method

    Structural specifications

    Rotor type: Helical or spur cylindrical gears

    Heating method: Electric heating / Heat transfer fluid heating

    Sealing Structure: ■ Molten-metal dynamic seal + packing seal ■ Mechanical seal ■ Molten-metal dynamic seal with cooling

    Performance Features

    1. Minimal pressure and flow pulsation enables linear flow output, making it suitable for precision extrusion systems.

    2. Different structures and material configurations are adopted for different operating conditions, better meeting users’ personalized needs.

    3. It can be applied to operating conditions involving high temperature (350℃), high pressure (40 MPa), and high viscosity (40,000 Pa•s).

    4. Precise structure, high accuracy, and long service life.

    Scope of application

    Suitable for extrusion and conveying polymer melts ranging from low to extremely high viscosity; typically installed between the extruder die outlet and the die head, serving as a melt metering pump; it can also be installed in polymer melt pipelines as a booster pump. This series of pumps features built-in flow channels within the pump housing, which can be used for cooling or heating with thermal media. It is a versatile melt gear pump for extrusion systems.

    Main Technical Parameters of ZM-J Series Melt Gear Pump for Extrusion

    Viscosity of the conveyed medium: 1E-3 to 40,000 Pa•s (1 to 40,000,000 cP)

    Inlet pressure: 0–30 MPa

    Output pressure: 0–40 MPa

    Maximum pressure difference: 25 MPa

    Operating temperature: ≤350℃

    Heating method: Electric heating / Heat transfer fluid channel heating

    ZM-J Series Melt Gear Pump Models and Technical Parameters for Extrusion

    ModelDisplacement conversionInlet pressureExport pressureRecommended maximum flow rateUse 
    Temperature
    Low-viscosity materialMedium-viscosity materialHigh-viscosity materialUltra-high viscosity material
    <50 Pa·s50–200 Pa·s200–2000 Pa·s>2000 Pa·s
    DE-550–30≤40.00.041 0.028 0.019 0.012 ≤350℃
    DE-10100.081 0.054 0.038 0.024 
    DE-20200.162 0.108 0.076 0.049 
    DE-32320.259 0.173 0.121 0.078 
    DE-50500.405 0.270 0.189 0.122 
    DE-75750.527 0.365 0.243 0.162 
    DE-1001000.702 0.486 0.324 0.216 
    DE-1601601.123 0.778 0.518 0.346 
    DE-2002001.404 0.972 0.648 0.432 
    DE-2502501.620 1.080 0.675 0.473 
    DE-3553552.3 1.5 0.9 0.7 
    DE-5005003.2 2.2 1.2 0.9 
    DE-7507504.9 3.2 1.8 1.4 
    DE-100010005.4 3.8 2.2 1.9 
    DE-120012006.5 4.5 2.6 2.3 
    DE-160016008.6 6.0 3.5 3.0 
    DE-2000200010.8 7.6 4.3 3.8 
    DE-2500250010.8 8.1 4.7 4.1 
    DE-3150315013.6 10.2 6.0 5.1 
    DE-4000400013.0 10.8 7.6 6.5 
    DE-6300630020.4 17.0 10.2 9.2 
    DE-8000800021.6 17.3 13.0 11.7 
    For larger or smaller sizes, please consult the manufacturer.

    The flow rate of the Melt Gear Pump is related to the operating speed, material viscosity, and working pressure. For specific selection advice, please consult the manufacturer.

    Parameter requirements must be provided for selection.

    1. Flow rate or production volume; 2. Material name; 3. Material viscosity; 4. Material corrosivity/toxicity; 5. Inlet and outlet pressures (pressure difference); 6. Operating temperature;

    Additionally, depending on the customer’s actual situation and requirements, a pump casing configuration without flow passages can be selected.

The materials that the Melt Gear Pump can convey mainly include:

Thermoplastic Materials and Their BlendsRubber and Elastomer Materials

PET PBT PTT

PA6 PA66 PA12

PE LDPE LLDPE HDPE HMWPE

PP EVA PB

PB PS HIPS ABS SAN

PC PEEK PMMA POM

TPU PLA PBS

NR BR CR NBR

IR IIR

SBR HNBR

EPM EPDM

PU TPU

ACM CSM

ECO SI

The primary function of a melt pump is:

1. Significantly improves the stability of die pressure, thereby enhancing product quality;

2. It can achieve near-linear flow output and is easy to control;

3. Increase extrusion output and boost production;

4. Reduce the extruder load, save energy, and lower costs;

Installation Structure of the Melt Gear Pump

It is recommended to use a universal coupling to connect the reducer and the Melt Gear Pump, thereby eliminating the effects of thermal deformation. The Melt Gear Pump is a positive-displacement, forced-feed pump; its output flow rate can be adjusted by varying the pump’s rotational speed. It is recommended to adopt variable-frequency speed control, which can achieve nearly linear flow output from the gear pump.

Material Configuration of the Main Structure of the Melt Gear Pump

Material GroupHousingGearBearing bushingEnd plateFeatures and Applicable Operating ConditionsNote
AStandard typeNitrided steelNitrided steelTool steelAlloy steel

Good wear resistance, high toughness, and excellent cost performance.

Suitable for most operating conditions with low abrasiveness.

Spare parts support
HHigh wear-resistant typeNitrided steelHigh-speed steel/coatingHigh-speed steel/ceramicAlloy steel

High strength, high wear resistance

Suitable for abrasive wear conditions

Customized required
SSCorrosion-resistantStainless steelNitrided steelTool steelStainless steelWear-resistant and corrosion-resistant, suitable for low-corrosion service conditions.Customized required
HSHigh-corrosion-resistant typeStainless steelStainless tool steelStainless tool steelStainless steelHigh corrosion resistanceCustomized required
TCustom-madeSpecial alloySpecialty materialsSpecialty materialsSpecialty materials

High-temperature resistance or high corrosion resistance

Suitable for operating conditions with special requirements.

Customized required

ZM-J Series Melt Gear Pump for Extrusion—Economical Design, Simpler Sealing Method

Structural specifications

Rotor type: Helical or spur cylindrical gears

Heating method: Electric heating / Heat transfer fluid heating

Sealing Structure: ■ Molten-metal dynamic seal + packing seal ■ Mechanical seal ■ Molten-metal dynamic seal with cooling

Performance Features

1. Minimal pressure and flow pulsation enables linear flow output, making it suitable for precision extrusion systems.

2. Different structures and material configurations are adopted for different operating conditions, better meeting users’ personalized needs.

3. It can be applied to operating conditions involving high temperature (350℃), high pressure (40 MPa), and high viscosity (40,000 Pa•s).

4. Precise structure, high accuracy, and long service life.

Scope of application

Suitable for extrusion and conveying polymer melts ranging from low to extremely high viscosity; typically installed between the extruder die outlet and the die head, serving as a melt metering pump; it can also be installed in polymer melt pipelines as a booster pump. This series of pumps features built-in flow channels within the pump housing, which can be used for cooling or heating with thermal media. It is a versatile melt gear pump for extrusion systems.

Main Technical Parameters of ZM-J Series Melt Gear Pump for Extrusion

Viscosity of the conveyed medium: 1E-3 to 40,000 Pa•s (1 to 40,000,000 cP)

Inlet pressure: 0–30 MPa

Output pressure: 0–40 MPa

Maximum pressure difference: 25 MPa

Operating temperature: ≤350℃

Heating method: Electric heating / Heat transfer fluid channel heating

ZM-J Series Melt Gear Pump Models and Technical Parameters for Extrusion

ModelDisplacement conversionInlet pressureExport pressureRecommended maximum flow rateUse 
Temperature
Low-viscosity materialMedium-viscosity materialHigh-viscosity materialUltra-high viscosity material
<50 Pa·s50–200 Pa·s200–2000 Pa·s>2000 Pa·s
DE-550–30≤40.00.041 0.028 0.019 0.012 ≤350℃
DE-10100.081 0.054 0.038 0.024 
DE-20200.162 0.108 0.076 0.049 
DE-32320.259 0.173 0.121 0.078 
DE-50500.405 0.270 0.189 0.122 
DE-75750.527 0.365 0.243 0.162 
DE-1001000.702 0.486 0.324 0.216 
DE-1601601.123 0.778 0.518 0.346 
DE-2002001.404 0.972 0.648 0.432 
DE-2502501.620 1.080 0.675 0.473 
DE-3553552.3 1.5 0.9 0.7 
DE-5005003.2 2.2 1.2 0.9 
DE-7507504.9 3.2 1.8 1.4 
DE-100010005.4 3.8 2.2 1.9 
DE-120012006.5 4.5 2.6 2.3 
DE-160016008.6 6.0 3.5 3.0 
DE-2000200010.8 7.6 4.3 3.8 
DE-2500250010.8 8.1 4.7 4.1 
DE-3150315013.6 10.2 6.0 5.1 
DE-4000400013.0 10.8 7.6 6.5 
DE-6300630020.4 17.0 10.2 9.2 
DE-8000800021.6 17.3 13.0 11.7 
For larger or smaller sizes, please consult the manufacturer.

The flow rate of the Melt Gear Pump is related to the operating speed, material viscosity, and working pressure. For specific selection advice, please consult the manufacturer.

Parameter requirements must be provided for selection.

1. Flow rate or production volume; 2. Material name; 3. Material viscosity; 4. Material corrosivity/toxicity; 5. Inlet and outlet pressures (pressure difference); 6. Operating temperature;

Additionally, depending on the customer’s actual situation and requirements, a pump casing configuration without flow passages can be selected.

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Phone: +8618236407321

Phone: +8618236915586

Email: huanwangqi@126.com

Address: No. 338, Lianhua Street, High-tech Zone, Zhengzhou City

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