High definition Melt Metering Pumps for Extrusion System - LK Series Polymer Melts Gear Pump – Vowa

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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...

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High definition Melt Metering Pumps for Extrusion System - 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 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
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
Please consult the manufacturer for larger or smaller specifications

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