Manufacturer for polymer gear pump - LK Series Polymer Melts Gear Pump – Vowa Detail:
Vacuum Reactor Discharge Pump—— Medium And Low Pressure, Full Jacket
LK Series Polymer Melts Gear Pump
LK series melt gear pumps are suitable for the reaction transportation of high temperature and high viscosity polymer melts that require low output pressure and large flow, such as resin, chemical fiber and other industries. They are 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 : 1E-3~30,000Pa•s (1~30,000,000cP)
Suction side pressure :(-0.05~-0.09MPa)~4MPa
Discharge side pressure : 0~7MPa
Differential pressure : 5MPa
Temperature : ≤350℃
Heating : Fully Jacketed
HT medium pressure : ≤1.6MPa
Installation method
LK 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.
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 |
Outlet |
Max. flow rate m3/h |
Temp |
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Low |
Medium |
High |
Ultra high |
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<50Pa.s |
50~200Pa.s |
200~2000Pa.s |
>2000Pa.s |
|||||||||||||||||||
LK-355 |
355 |
Vacuum -0.09~4.0 |
≤10.0 |
2.3 |
1.5 |
0.9 |
0.7 |
≤350℃ |
||||||||||||||
LK-500 |
500 |
3.2 |
2.2 |
1.2 |
0.9 |
|||||||||||||||||
LK-750 |
750 |
4.9 |
3.2 |
1.8 |
1.4 |
|||||||||||||||||
LK-1000 |
1000 |
5.4 |
3.8 |
2.2 |
1.9 |
|||||||||||||||||
LK-1200 |
1200 |
6.5 |
4.5 |
2.6 |
2.3 |
|||||||||||||||||
LK-1600 |
1600 |
8.6 |
6 |
3.5 |
3 |
|||||||||||||||||
LK-2000 |
2000 |
10.8 |
7.6 |
4.3 |
3.8 |
|||||||||||||||||
LK-2500 |
2500 |
10.8 |
8.1 |
4.7 |
4.1 |
|||||||||||||||||
LK-3150 |
3150 |
13.6 |
10.2 |
6 |
5.1 |
|||||||||||||||||
LK-4000 |
4000 |
13 |
10.8 |
7.6 |
6.5 |
|||||||||||||||||
LK-6300 |
6300 |
20 |
17 |
10 |
9 |
|||||||||||||||||
LK-8000 |
8000 |
22 |
17 |
13 |
12 |
|||||||||||||||||
LK-9000 |
9000 |
24 |
19 |
15 |
13 |
|||||||||||||||||
LK-12000 |
12000 |
32 |
26 |
18 |
16 |
|||||||||||||||||
LK-18000 |
18000 |
49 |
39 |
27 |
24 |
|||||||||||||||||
LK-25000 |
25000 |
68 |
54 |
38 |
34 |
|||||||||||||||||
LK-38000 |
38000 |
103 |
82 |
57 |
51 |
|||||||||||||||||
LK-54000 |
54000 |
146 |
117 |
82 |
73 |
|||||||||||||||||
LK-80000 |
80000 |
216 |
173 |
121 |
108 |
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Please consult the manufacturer for larger or smaller specifications |
Product detail pictures:

Related Product Guide:
Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Manufacturer for polymer gear pump - LK Series Polymer Melts Gear Pump – Vowa, The product will supply to all over the world, such as: Thailand , Sri Lanka , Georgia , What is good price? We provide customers with factory price. In the premise of good quality, efficiency must be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers' requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products in time. Sincerely hope we could have long term business relationship.

As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.

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