Professional Design commercial gear pump Accessories - DLS Series Polymer Melts Gear Pump – Vowa

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Booster Pump—— Low-pressure，Channel Heating DLS Series Polymer Melts Gear Pump DLS series melt gear pumps are suitable for reaction delivery and pressurization of high-temperature and high-viscosity polymer melts with lower output pressure, such as resin, chemical fiber and other industries. They are generally installed in melt pipelines and used as booster pumps; The body gear pump has a certain self-priming performance, and can be used to transport and pressurize polymer materials under l...

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Professional Design commercial gear pump Accessories - DLS Series Polymer Melts Gear Pump – Vowa Detail:

Booster Pump—— Low-pressure，Channel Heating

DLS Series Polymer Melts Gear Pump
DLS series melt gear pumps are suitable for reaction delivery and pressurization of high-temperature and high-viscosity polymer melts with lower output pressure, such as resin, chemical fiber and other industries. They are generally installed in melt pipelines and used as booster pumps; The body gear pump has a certain self-priming performance, and can be used to transport and pressurize polymer materials under lower vacuum suction 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 ：（-0.00～-0.03MPa）～5MPa
Discharge side pressure ： 0～5MPa
Differential pressure ： 5MPa
Temperature ： ≤350℃
Heating ： Fully Jacketed
HT medium pressure ： ≤1.6MPa
Installation method
DLS series melt gear pumps are generally installed in the melt pipeline at the bottom of the reactor and used as booster pumps or metering pumps. They are driven by motor + reducer + universal coupling, or motor + reducer + flexible coupling. Shaft drive. Melt gear pump is a positive displacement forced delivery pump. The output flow of the pump can be adjusted by adjusting the speed of the pump. Frequency conversion speed regulation is recommended, which 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
DLS-5	5	Vacuum -0.05～5.0	≤5.0	0.041	0.027	0.019	0.012	≤350℃
DLS-10	10			0.081	0.054	0.038	0.024
DLS-20	20			0.162	0.108	0.076	0.049
DLS-32	32			0.259	0.173	0.121	0.078
DLS-50	50			0.405	0.270	0.189	0.122
DLS-75	75			0.527	0.365	0.243	0.162
DLS-100	100			0.702	0.486	0.324	0.216
DLS-160	160			1.123	0.778	0.518	0.346
DLS-200	200			1.404	0.972	0.648	0.432
DLS-250	250			1.620	1.080	0.675	0.473
DLS-355	355			2.3	1.5	0.9	0.7
DLS-500	500			3.2	2.2	1.2	0.9
DLS-750	750			4.9	3.2	1.8	1.4
DLS-1000	1000			5.4	3.8	2.2	1.9
DLS-1200	1200			6.5	4.5	2.6	2.3
DLS-1600	1600			8.6	6.0	3.5	3.0
DLS-2000	2000			10.8	7.6	4.3	3.8
DLS-2500	2500			10.8	8.1	4.7	4.1
DLS-3150	3150			13.6	10.2	6.0	5.1
DLS-4000	4000			13.0	10.8	7.6	6.5
DLS-6300	6300			20	17	10	9
DLS-8000	8000			22	17	13	12
DLS-9000	9000			24	19	15	13
DLS-12000	12000			32	26	18	16
DLS-18000	18000			49	39	27	24
DLS-25000	25000			68	54	38	34
DLS-38000	38000			103	82	57	51
DLS-54000	54000			146	117	82	73
DLS-80000	80000			216	173	121	108
Please consult the manufacturer for larger or smaller specifications

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