Wholesale Price viking external gear pump - NEA Series Universal Melt Gear Pump – Vowa

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Universal melt gear pump——Electric Heating Optimized tooth shape design, more stable conveying, minimal fluctuation Runner design without dead ends, no material residue Optional multiple sealing methods Suitable even at very low viscosity Optional wear-resistant configuration, suitable for high filling conditions Suitable for electric heating We provide a complete set of solutions for melt pumps, driving devices, control systems and supporting screen changers and die heads   NEA serie...


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Wholesale Price viking external gear pump - NEA Series Universal Melt Gear Pump – Vowa Detail:

Universal melt gear pump——Electric Heating
Optimized tooth shape design, more stable conveying, minimal fluctuation
Runner design without dead ends, no material residue
Optional multiple sealing methods
Suitable even at very low viscosity
Optional wear-resistant configuration, suitable for high filling conditions
Suitable for electric heating
We provide a complete set of solutions for melt pumps, driving devices, control systems and supporting screen changers and die heads

Universal-melt-gear-pump——Electric-Heating11

Universal-melt-gear-pump——Electric-Heating1

 

NEA series melt gear pump is a general-purpose melt gear pump for extrusion systems. Suitable for the extrusion and conveying of polymer melts from low viscosity to very high viscosity; generally installed between the extruder outlet and die head as a melt metering pump; it can also be installed in the polymer melt pipeline , Used as a booster pump.
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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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 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 NEA 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 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

The main technical features of NEA series melt gear pumps:
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. Improved gear parameter design: more accurate rotation displacement design makes the output pressure more stable and adapts to precise extrusion conditions;
3. A wide range of applicable viscosity: different sealing methods can be applied to working conditions from low viscosity to very high viscosity;
4. A variety of installation methods: to meet the individual needs of users;
5. 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

The installation structure of melt gear pump:
It is

vowa

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. Frequency conversion is recommended. The speed mode can realize the nearly linear flow output of the gear pump.

Pump size and Technical data

Model

cc/r

Inlet
pres.
MPa

Outlet
pres.
MPa

   Max. flow rate     m3/h

Temp

Low
viscosity material

Medium
viscosity material

High
viscosity material

Ultra high
viscosity
material

<50Pa.s

50~200Pa.s

200~2000Pa.s

>2000Pa.s

NEA-01

1

0~30

≤40.0

0.008 

0.006 

0.004 

0.003 

≤350℃

NEA-02

2

0.016

0.011 

0.008 

0.005 

NEA-05

5

0.041

0.028

0.019

0.012

NEA-10

10

0.081

0.054

0.038

0.024

NEA-20

20

0.162

0.108

0.076

0.049

NEA-32

32

0.259

0.173

0.121

0.078

NEA-50

50

0.405

0.270

0.189

0.122

NEA-75

75

0.527

0.365

0.243

0.162

NEA-100

100

0.702

0.486

0.324

0.216

NEA-160

160

1.123

0.778

0.518

0.346

NEA-200

200

1.404

0.972

0.648

0.432

NEA-250

250

1.620

1.080

0.675

0.473

NEA-355

355

2.3

1.5

0.9

0.7

NEA-500

500

3.2

2.2

1.2

0.9

NEA-750

750

4.9

3.2

1.8

1.4

NEA-1000

1000

5.4

3.8

2.2

1.9

NEA-1200

1200

6.5

4.5

2.6

2.3

NEA-1600

1600

8.6

6.0

3.5

3.0

NEA-2000

2000

10.8

7.6

4.3

3.8

NEA-2500

2500

10.8

8.1

4.7

4.1

NEA-3150

3150

13.6

10.2

6.0

5.1

NEA-4000

4000

13.0

10.8

7.6

6.5

NEA-6300

6300

20.4

17.0

10.2

9.2

NEA-8000

8000

21.6

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


Product detail pictures:

Wholesale Price viking external gear pump -
 NEA Series Universal Melt Gear Pump – Vowa detail pictures

Wholesale Price viking external gear pump -
 NEA Series Universal Melt Gear Pump – Vowa detail pictures

Wholesale Price viking external gear pump -
 NEA Series Universal Melt Gear Pump – Vowa detail pictures


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  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Dinah from Bhutan - 2017.12.09 14:01
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Meroy from Porto - 2018.06.28 19:27