Introduction of Double piston screen changer plastic pellet:

◆ As dual-channel double screen cavities extruder screen changer, this series screen changer can provide uninterrupted operation.
◆ Exhaust structure can fully exhaust the gas in material and the other screen cavities, which can prevent gas coming into being during production, improve the product quality.
◆ Dual-channel double screen cavities increase the filter area, which can improve the output and quality.
◆ Larger filter area is suitable for various different material and extrusion.
◆ Well sealed, rigid sealing, long service life.
◆ Exhaust and blowdown structure, ensures its continuous and safe performance.
◆ Customization, according to the customer special request to design and process.
◆ Reasonable structure, easy to operate, high quality.
◆ Diverse shaped screen cavities: rounded, curved, oval, columnar, etc.
◆ Safety hood is equipped.
◆ This series screen changer extrusion is mainly suitable for chemical fiber, blown film, flat, cast film, production, pipe, sheet, wire rod, fiber, pelletizing line,etc.

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Structure of R series bolt continuous screen changer for plastic extrusion:

Parameters of R series Dual Bolt Hydraulic extrusion Screen Changers:

Type	Capacity (kg/h)	Dimension (mm)			Screen size		Heater
		L1	L2	L3	Diameter (mm)	Area (cm²)	Voltage (v)	Power (KW)
ZB-DP-2R-80	30-180	90	670	160	Φ60	28*2	230/400	3.4
ZB-DP-2R-100	80-280	105	715	200	Φ80	50*2	230/400	4.2
ZB-DP-2R-120	130-380	125	830	220	Φ100	78*2	230/400	6
ZB-DP-2R-155	300-700	160	965	270	Φ130	123*2	230/400	9
ZB-DP-2R-170	400-1100	185	1090	310	Φ150	177*2	230/400	12
ZB-DP-2R-195	650-1500	215	1170	380	Φ170	240*2	230/400	20.6
ZB-DP-2R-220	850-1900	250	1270	410	Φ200	314*2	230/400	23.8
ZB-DP-2R-250	1100-2600	290	1400	440	Φ230	415*2	230/400	27

Notes:

1. The capacity will be affected by the fluidity, filter fineness and purity of materials. 

2. Voltage can be customized

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Structure of E series Double pillar screen changer:

Parameters of E series Double piston screen changer:

Type	Capacity (kg/h)	Dimension (mm)			Screen size		Heater
		L1	L2	L3	Diameter (mm)	Area (cm²)	Voltage (v)	Power (KW)
ZB-DP-2E-276	200-800	170	970	220	115*145	138*2	230/400	7.5
ZB-DP-2E-400	400-1100	200	1100	270	145*170	200*2	230/400	9.9
ZB-DP-2E-670	680-1500	270	1305	310	175*230	335*2	230/400	13.8
ZB-DP-2E-910	1000-2600	320	1510	380	200*270	455*2	230/400	27.8
ZB-DP-2E-1150	2300-4400	365	1605	410	230*300	575*2	230/400	32
ZB-DP-2E-1280	2900-6000	375	1670	440	250*310	640*2	230/400	37.8
ZB-DP-2E-1550	3900-10000	410	1840	480	270*345	775*2	230/400	41

Notes:

1. The capacity will be affected by the fluidity, filter fineness and purity of materials. 

2. Voltage can be customized

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Structure of L series Hydraulic screen changer:

Parameters of L series continuous bolt-type screen changers:

Type	Capacity (kg/h)	Dimension (mm)			Screen size		Heater
		L1	L2	L3	Diameter (mm)	Area (cm²)	Voltage (v)	Power (KW)
ZB-DP-2L-530	130-400	105	715	200	300*80	265*2	230/400	4.2
ZB-DP-2L-760	200-830	125	775	220	377*100	380*2	230/400	6
ZB-DP-2L-1280	400-1150	160	925	270	493*130	640*2	230/400	9
ZB-DP-2L-2000	680-1580	218	1025	310	556*180	1000*2	230/400	13.2
ZB-DP-2L-2450	1000-2700	235	1165	380	664*190	1225*2	230/400	22.2
ZB-DP-2L-2890	2100-4600	260	1270	410	722*200	1445*2	230/400	26.2

Notes:

1. The capacity will be affected by the fluidity, filter fineness and purity of materials. 

2. Voltage can be customized

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choice of hydraulic double plunger continuous screen changer series: 

The selection of a new type of screen changer filter should be selected based on several factors such as materials, product types, production volume, material pressure in the system, and degree of automation.

The general principle is: high product quality, high production efficiency, long production process, high degree of automation, choose non-stop continuous screen changer, can replace the filter without interrupting the product, increase production, save energy, easy to operate, and no waste.

The production process is short, the degree of automation is low, and the product quality requirements are not high. You can choose a fast non-stop screen changer. The quick screen changer saves time, is low in price and saves investment.

screen changer era double-piston Technical Parameters::

Hydraulic station flow: 4-10L/
min Working oil pressure: 4-20MPa
Oil tank capacity: 40-60L
oil pump motor power: 2.2-3kw
Temperature control range: 0-400℃
Material pressure measurement and control range: 0-50MPa
Filter element design pressure resistance: 30MPa (specially made 60MPa)

Zhengzhou BATTE chinaplas

The main components of ZB series filters:

1. Main structural parts
2. Hydraulic station for screen changer
3. Control box (optional screen changer)

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The continuous filter screen change operation is shown in the figure below (double column double station):

bolt-type continuous hydrauliic screen changers for extruder Main failures and causes: 

malfunction	cause of issue	elimination method
Too much leakage	Screen changer bolts or front and rear flange connecting bolts are loose	Lock
	Setting the screen change pressure is too high	Turn down
Filter block cannot be pushed	Unreasonable installation, using sliding clearance changes	Contact the manufacturer
	There is debris in the filter slot or the filter is exposed and stuck in the slot	It can be pulled back to exclude, otherwise it will be removed by disassembly
	No lubricating oil makes the sliding surface bite	Disassemble and repair
The oil pump is not oiling	Motor reverse	Adjust
	The oil level is too low and the oil is too thick	correct
	The oil inlet pipe is not tightly sealed and leaks air	seal
The oil pump is noisy	Air leakage in the oil inlet	Find the source of the leak
	Clogged oil filter	Clean up dirt
Pressure regulator failure	The overflow port of the pressure valve is contaminated and blocked, and there is no oil pressure	Clean with diesel
Reversing valve failure	The valve core and valve port are blocked or damaged	Clean or replace

Notes: The capacity will be affected by the fluidity, filter fineness and purity of materials.

Zhengzhou BATTE melt pump factory

batte melt pump part of the processing equipment in the workshop

Zhengzhou Batte Melt Pump Co., Ltd. is a professional manufacturer of melt pumps, screen changers and feeders integrating R&D and production. Located in the University Science and Technology Park of Zhengzhou High-tech Industrial Development Zone, it relies on the scientific research strength of domestic universities and combines European advanced technology and quality control concepts to integrate production, learning and research. Especially in the application technology of melt pump, has accumulated rich experience. Continuous in-depth research on the working principle, performance optimization, equipment structure optimization, control technology and other aspects of the hydraulic screen changer has achieved considerable results, and has been recognized and praised by the vast majority of users in the industry. info@battemachinery.com

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Double piston type screen changer.pdf

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