Factory best selling gear pump manufacturers - G Series Polymer Melts Gear Pump – Vowa Detail:
G series melt gear pump is especially suitable for high temperature and high viscosity polymer melt reaction transportation requiring high output pressure, such as resin, chemical fiber and other industries. It is generally installed in the lower part of the reactor to make 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 transported by melt gear pump are as follows:
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 ： Hot coal heating
HT medium pressure ： ≤1.6MPa
Installation method
G 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: hot coal 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 housing: 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 alloyG
Pump size and Technical data
|
Model |
cc/r |
Inlet Pres. |
Outlet pres. |
Max. flow rate m3/h |
Temp |
|||
|
Low material |
Medium viscosity material |
High viscosity material |
Ultra high viscosity material |
|||||
|
＜50Pa.s |
50～200 Pa.s |
200～2000 Pa.s |
＞2000Pa.s |
|||||
| G-10 | 10 |
Vacuum -0.09～4.0 |
≤35.0 |
0.081 | 0.054 | 0.038 | 0.024 |
≤350℃ |
| G-20 | 20 | 0.162 | 0.108 | 0.076 | 0.049 | |||
| G-32 | 32 | 0.259 | 0.173 | 0.121 | 0.078 | |||
| G-50 | 50 | 0.405 | 0.270 | 0.189 | 0.122 | |||
| G-75 | 75 | 0.527 | 0.365 | 0.243 | 0.162 | |||
| G-100 | 100 | 0.702 | 0.486 | 0.324 | 0.216 | |||
| G-160 | 160 | 1.123 | 0.778 | 0.518 | 0.346 | |||
| G-200 | 200 | 1.404 | 0.972 | 0.648 | 0.432 | |||
| G-250 | 250 | 1.620 | 1.080 | 0.675 | 0.473 | |||
| Please consult with the manufacturers for the bigger or lower specification | ||||||||
| The series of pump can be provided in jacket-free type, such as T-G-xxx | ||||||||
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.
Product detail pictures:
Related Product Guide:
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By Beatrice
from Venezuela
- 2017.08.18 11:04
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
By Ophelia
from Austria
- 2017.06.19 13:51