Super Purchasing for high viscosity gear pump Accessories - MED Series Melt Gear Pump – Vowa

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Built-in cooling channel makes temperature control more precise and faster Easier sealing method Suitable for electric heating and heat medium heating Melt gear pumps for extrusion systems are referred to as melt pumps, also known as melt metering pumps or extrusion pumps. They can be used in various extrusion industries, such as sheet, plate, pipe, film, pelletizing, wire drawing, cable, Co-extrusion, compounding, precision extrusion and other industries MED series melt gear pump is a melt ...


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Super Purchasing for high viscosity gear pump Accessories - MED Series Melt Gear Pump – Vowa Detail:

Built-in cooling channel makes temperature control more precise and faster
Easier sealing method
Suitable for electric heating and heat medium heating
Melt gear pumps for extrusion systems are referred to as melt pumps, also known as melt metering pumps or extrusion pumps. They can be used in various extrusion industries, such as sheet, plate, pipe, film, pelletizing, wire drawing, cable, Co-extrusion, compounding, precision extrusion and other industries
MED series melt gear pump is a melt gear pump for the extrusion system of thermoplastic materials. Suitable for the extrusion and transportation of thermoplastic high-viscosity polymer melt; generally installed between the exit of the extruder and the die, as a melt metering pump; this series of pump housings have a built-in flow channel, which can be used for cooling or heating medium use.

Melt-gear-pump-for-thermoplastic-materials

Melt-gear-pump-for-thermoplastic-material1s

 

The main materials that can be conveyed by the melt gear pump are:
Thermoplastic materials and their blends
PET PBT PTT
PA6 PA66 PA12
PE LDPE LLDPE HDPE HMWPE
PP EVA PB
PB PS HIPS ABS SAN
PC PEK PMMA POM
TPU PLA PBS
Rubber and elastomer materials
NR BR CR NBR
IR IIR
SBR HNBR
EPM EPDM
PU TPU
ACM CSM
ECO SI
The application of extrusion pump in single screw extrusion system

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The application of extrusion pump in twin screw extrusion system

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We provide a complete set of solutions for melt pumps, driving devices, control systems and supporting screen changers and die heads
The main function of the melt pump:
1. Significantly improve the stability of die pressure and improve product quality;
2. It can realize the nearly linear output of the flow, which is easy to control;
3. Increase the extrusion volume and increase the output;
4. Reduce the load of the extruder, save energy and reduce costs.
The main features of the company’s melt gear pump:
1. Very small pressure and flow pulsation, can achieve linear output of flow, suitable for precision extrusion system;
2. Use different structures and material configurations for different working conditions to better meet the individual needs of users;
3. It can be applied to the working conditions of high temperature (350℃), high pressure (40MPa) and high viscosity (40,000Pa•s);
4. Precise structure, high precision and long life.
The main structure of MED series melt gear pump:
Rotor type: helical or spur gear
Heating method: electric heating/heat medium heating
Sealing structure:
■ Dynamic melt seal + packing seal
■ Mechanical seal
■ Dynamic seal with cooling melt

material

Material configuration of the main structure of the melt gear pump

Material group

case

gear

bush

End plate

Features and applicable working conditions

Remarks

A

Standard

Nitrided steel

Nitrided steel

Tool steel

alloy steel

Good wear resistance, high toughness, high cost performance

Suitable for most working conditions with low abrasion

Spare parts support

H

High wear resistance

Nitrided steel

High speed steel

/coating

High speed steel

/ceramics

alloy steel

High strength, high wear resistance

Suitable for abrasive wear conditions

Need to be customized

SS

Corrosion resistant type

stainless steel

Nitrided steel

Tool steel

stainless steel

Wear-resistant and corrosion-resistant

Suitable for low corrosive conditions

Need to be customized

HS

High corrosion resistance

stainless steel

Stainless tool steel

Stainless tool steel

stainless steel

High corrosion resistance

Suitable for highly corrosive working conditions

Need to be customized

T

Special type

Special alloy

Special materials

Special materials

Special materials

High temperature resistance or high corrosion resistance

Suitable for working conditions with special requirements

Need to be customized

Main technical features of MED series melt gear pump:
1. Optimized melt flow channel design: eliminate dead corners in the flow channel, reduce polymer residues to a minimum, and improve the quality of products;
2. Optional built-in flow channel: suitable for fluid cooling to adapt to a more accurate and fast temperature control system; it can also be used for heat medium heating;
3. Improved gear parameter design: more precise rotation displacement design makes the output pressure more stable and adapts to precise extrusion conditions;
4. A wide range of applicable viscosity: different sealing methods can be applied to working conditions from low viscosity to extremely high viscosity;
5. A variety of installation methods: to meet the individual needs of users;
6. High-precision manufacturing and excellent heat treatment: more precise and more durable;
Technical data:
Viscosity  : 1~40000Pa•s(1~40,000,000cP)
Suction side pressure : 0~30MPa
Discharge side pressure : 0~40MPa
Differential pressure : 25MPa 
Temperature : ≤350℃
Heating : Electric heating/heating medium channel
The installation structure of melt gear pump:
It is recommended to use a universal coupling to connect the reducer and the melt pump to eliminate the effects of thermal deformation; the melt gear pump is a positive displacement forced delivery pump, and the pump output flow can be adjusted by adjusting the pump speed. It is recommended to use frequency conversion adjustment The speed mode can realize the nearly linear flow output of the gear pump.

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Pump size and Technical data

Model

cc/r

Inlet
pres.
MPa

Outlet
pres.
MPa

   Max. flow rate     m3/h

Temp

Low
viscosity material

High
viscosity material

Ultra high
viscosity
material

<200Pa.s

200~2000Pa.s

>2000Pa.s

MED -5

5

0~30

≤40.0

0.028

0.019

0.012

≤350℃

MED -10

10

0.054

0.038

0.024

MED -20

20

0.108

0.076

0.049

MED -32

32

0.173

0.121

0.078

MED -50

50

0.270

0.189

0.122

MED -75

75

0.365

0.243

0.162

MED -100

100

0.486

0.324

0.216

MED -160

160

0.778

0.518

0.346

MED -200

200

0.972

0.648

0.432

MED -250

250

1.080

0.675

0.473

MED -355

355

1.5

0.9

0.7

MED -500

500

2.2

1.2

0.9

MED -750

750

3.2

1.8

1.4

MED -1000

1000

3.8

2.2

1.9

MED -1200

1200

4.5

2.6

2.3

MED -1600

1600

6.0

3.5

3.0

MED -2000

2000

7.6

4.3

3.8

MED -2500

2500

8.1

4.7

4.1

MED -3150

3150

10.2

6.0

5.1

MED -4000

4000

10.8

7.6

6.5

MED -6300

6300

17.0

10.2

9.2

MED -8000

8000

17.3

13.0

11.7

Please consult with the manufacturers for the bigger or lower specification

The flow rate of the melt gear pump is related to the working speed, material viscosity, and working pressure. Please consult the manufacturer for specific selection.
The selection needs to provide parameters: 1 flow or output 2 material name 3 material viscosity 4 material corrosivity/toxicity 5 inlet and outlet pressure (pressure difference) 6 operating temperature
In addition, according to the actual situation and requirements of the customer, you can choose the pump casing configuration without flow channel


Product detail pictures:

Super Purchasing for high viscosity gear pump Accessories -
 MED Series Melt Gear Pump – Vowa detail pictures

Super Purchasing for high viscosity gear pump Accessories -
 MED Series Melt Gear Pump – Vowa detail pictures


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It adheres on the tenet "Honest, industrious, enterprising, innovative" to acquire new solutions regularly. It regards shoppers, success as its very own success. Let us establish prosperous future hand in hand for Super Purchasing for high viscosity gear pump Accessories - MED Series Melt Gear Pump – Vowa, The product will supply to all over the world, such as: Madagascar , Bahamas , Kazakhstan , Please feel cost-free to send us your specifications and we'll respond to you asap. We've got a professional engineering team to serve for the every single detailed needs. Free samples may be sent for you personally to know far more facts. So that you can meet your desires, please really feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. nd merchandise. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
  • The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Nora from Leicester - 2017.12.09 14:01
    The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Linda from United States - 2018.09.23 17:37