Factory Price external gear - DHK Series Polymer Melts Gear Pump – Vowa

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Vacuum Reactor Discharge Pump—— High Pressure, Channel Heating   DHK Series Polymer Melts Gear Pump DHK series melt gear pump is especially suitable for high temperature and high viscosity polymer melt reaction transportation that requires high output pressure, such as resin, chemical fiber and other industries. It is generally installed in the lower part of the reactor and used as a feed pump. This series of melt gear pumps have good self-priming performance and can be used for conveyi...


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Factory Price external gear - DHK Series Polymer Melts Gear Pump – Vowa Detail:

Vacuum Reactor Discharge Pump—— High Pressure, Channel Heating

DHK-Series-Polymer-Melts-Gear-Pump

 

DHK Series Polymer Melts Gear Pump
DHK series melt gear pump is especially suitable for high temperature and high viscosity polymer melt reaction transportation that requires high output pressure, such as resin, chemical fiber and other industries. It is generally installed in the lower part of the reactor and used as a feed pump. This series of melt gear pumps have good self-priming performance and can be used for conveying and pressurizing polymer materials under vacuum reaction conditions.
The main materials that can be conveyed by the melt gear pump are:
Polymer melt
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
Other stock solutions, solutions, glues, oligomers, prepolymers, etc. in the polymer material industry;
It can also be used to transport hot melt adhesives, asphalt, paints, adhesives, pharmaceuticals, food, grease, fuels, oils, dyes, coatings, lubricants, polyols and other materials that do not contain particulate impurities.
Technical data:
Viscosity : 1~30,000Pa•s (1,000~30,000,000cP)
Suction side pressure : Vacuum(-0.05~-0.09MPa)~4MPa
Discharge side pressure : 0~35MPa
Differential pressure : 25MPa
Temperature : ≤350℃
Heating method : Fully Jacketed
HTM pressure : ≤1.6MPa
Installation method
DHK series melt gear pumps are generally installed at the bottom of the reactor and are driven by a motor + reducer + universal coupling. The melt gear pump is a positive displacement forced delivery pump. The pump output flow can be adjusted by adjusting the pump speed. It is recommended Using frequency conversion speed regulation, can realize the nearly linear flow output of the gear pump.

punp

Main structure of gear pump:
Rotor type: helical or spur gear
Heating method: Heat medium heating
Sealing structure:
■ Dynamic melt seal + packing seal
■ Mechanical seal
■ Dynamic seal with cooling melt
■ High temperature resistant packing seal
Main structural materials of melt gear pump:
Pump casing: stainless steel/alloy steel/corrosion-resistant alloy
Gear: Nitrided steel/tool steel/stainless steel + coating/corrosion resistant alloy
Bearing: tool steel/copper alloy/stainless steel + coating/corrosion resistant alloy
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

DHK-5

5

Vacuum

-0.09~4.0

≤35.0

0.041

0.027

0.019

0.012

≤350℃

DHK-10

10

0.081

0.054

0.038

0.024

DHK-20

20

0.162

0.108

0.076

0.049

DHK-32

32

0.259

0.173

0.121

0.078

DHK-50

50

0.405

0.270

0.189

0.122

DHK-75

75

0.527

0.365

0.243

0.162

DHK-100

100

0.702

0.486

0.324

0.216

DHK-160

160

1.123

0.778

0.518

0.346

DHK-200

200

1.404

0.972

0.648

0.432

DHK-250

250

1.620

1.080

0.675

0.473

DHK-355

355

2.3

1.5

0.9

0.7

DHK-500

500

3.2

2.2

1.2

0.9

DHK-750

750

4.9

3.2

1.8

1.4

DHK-1000

1000

5.4

3.8

2.2

1.9

DHK-1200

1200

6.5

4.5

2.6

2.3

DHK-1600

1600

8.6

6.0

3.5

3.0

DHK-2000

2000

10.8

7.6

4.3

3.8

DHK-2500

2500

10.8

8.1

4.7

4.1

DHK-3150

3150

13.6

10.2

6.0

5.1

DHK-4000

4000

13.0

10.8

7.6

6.5

DHK-6300

6300

20

17

10

9

DHK-8000

8000

22

17

13

12

DHK-9000

9000

24

19

15

13

DHK-12000

12000

32

26

18

16

DHK-18000

18000

49

39

27

24

DHK-25000

25000

68

54

38

34

DHK-38000

38000

103

82

57

51

DHK-54000

54000

146

117

82

73

DHK-80000

80000

216

173

121

108

Please consult the manufacturer for larger or smaller specifications

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