Filter Press

Your Professional Filter Press Manufacturer & Supplier

Chongqing TOP Oil Purifier Co.,Ltd. is a professional manufacturer specializing in oil purification systems and analytical instrumentation, with integrated capabilities in research and development, precision manufacturing, and comprehensive technical support. The company supplies a full portfolio of industrial oil treatment and testing solutions—including transformer oil purifiers, turbine oil filtration systems, hydraulic oil processors, benchtop and field-deployable oil analyzers, and turnkey laboratory systems—serving the power generation, petrochemical, mining, shipbuilding, metallurgical, infrastructure, automotive, and rail sectors.

Why Choose Us

Authoritative Certifications

We are certified with CE, ISO 9001 Quality Management System, and BV (Bureau Veritas). Every unit is strictly tested before shipment to ensure stable performance, safety, and compliance with international industrial standards.

Customization Capabilities

Based on deep experience with transformer oil, turbine oil, and hydraulic oil applications, we provide OEM service and customized solutions according to working conditions, industry requirements, and environmental standards. Our systems help improve purification efficiency, oil regeneration performance, and testing accuracy.

Professional Team

Our team covers R&D, mechanical design, production, quality control, and after-sales service. With over ten years of industry experience in key positions, we provide full technical support, including product selection, installation guidance, commissioning, and remote or on-site assistance.

Specification

Model			PL-30	PL -50	PL -100	PL -125	PL -150	PL -200	PL -300
Flow Rate		L/min	30	50	100	125	150	200	300
Working Pressure		Mpa	0-0.5
Filter Area		≥m2	0.3	0.39	1.3	1.54	1.89	2.01	3.1
Pressurization			Manual or Hydraulic
Material of the Plate			Aluminium Alloy or Cast Iron
Oil Pump	Flow Rate	L/min	>30	>50	>100	>125	>150	>200	>300
Oil Pump	Pressure	Mpa	0.5
Power Supply			380v 3Ph 50hz can be customized
Motor	Power	KW	1.1	1.5	3	4	4	5.5	7.5
Motor	Revolution	r/min	1400
Filter Accuracy			5～10um
Filter Paper Size		mm	185*200		290*290
Pipe Diameter		mm	Ф32	Ф32	Ф38	Ф38	Ф50	Ф60	Ф76
Volume	L	mm	800	850	900		1100		1300
	W	mm	400		500
	H	mm	800		1000		1100
Weight		kg	80	90	130	180	210	230	300

Key Benefits of Filter Press

● Produces high-clarity filtrate suitable for reuse or discharge

● Achieves drier filter cake, reducing hauling and disposal costs

● Handles high solids concentrations efficiently

● Scales from manual to fully automated operation

● Supports a wide range of industrial filtration applications

Types of Filter Press

● A plate and frame press uses alternating plates and frames clamped together to create a series of filtration chambers. Plate and frame presses work well in applications with low solids content and minimal filtration demands.

● Recessed chamber presses use recessed plates to form individual filtration chambers. In comparison, recessed chamber systems operate more efficiently and handle higher solids concentrations. For more info see differences between plate and frame and recessed chamber.

● Membrane presses incorporate flexible membranes within the plates to produce drier filter cakes and improve separation efficiency.

● Automatic presses support high-volume operations with minimal manual intervention.

Main Components of a Filter Press

Frame

Supports the entire system.

Filter Plates

Provide the structure for holding the filter cloth and forming the dewatering chambers.

Manifold

Includes piping and valves for slurry distribution and filtrate removal.

Filter Cloth

Essential for optimizing performance and capturing solids.

Working Process of Filter Press

The working principle of filter press is that slurry is pumped into the machine such that solids are distributed evenly during the fill cycle. Solids build up on the filter cloth, forming the filter cake; the filtrate exits the filter plates through the corner ports into the manifold, yielding clean filtered water.

Filter presses are a pressure filtration method and as such, as the filter press feed pump builds pressure, solids build within the chambers until they are completely chock-full of solids, forming the cake. Once the chambers are full, the cycle is complete and the filter cakes are ready to be released. In many higher capacity filter presses, fast-action automatic plate shifters are employed, speeding cycle time. Some filter presses are specifically designed for fully automatic, 24-hour operation in a harsh environment such as mines or chemical manufacturing plants.

Applications of Filter Press

Applications In Food And Beverage Processing

The food and beverage industry extensively uses filter presses for liquid/solid separation. These presses are used to remove impurities, clarify liquids, and separate solids from liquids in processes such as juice filtration, wine clarification, and syrup filtration.

Applications In Chemical Manufacturing

Filter presses are widely used in chemical manufacturing for various filtration processes. They are used to separate solids from liquids, remove impurities, and recover valuable chemicals. Chemical processes such as drug synthesis, dye production, and chemical purification often involve the use of filter presses.

Applications In Mining

The mining industry relies on filter presses for dewatering purposes. Filter presses are used to separate solids from mining slurries, reducing the moisture content and facilitating the handling and disposal of the solid waste. They are crucial in the production of minerals such as coal, iron ore, and copper.

Applications In Power Generation

Filter presses play a vital role in power generation plants, particularly in the treatment of wastewater and sludge. They are used to remove solids from the water before it is discharged, ensuring compliance with environmental regulations. Filter presses are also used in the dewatering of coal ash, a byproduct of coal-fired power plants.

Applications In Aggregates, Asphalt, And Cement Production

The aggregates, asphalt, and cement industries utilize filter presses for the separation of solids from liquids. Filter presses are used to dewater slurry generated during aggregate washing, separate solids from asphalt emulsions, and recover valuable materials in cement production.

Applications In Steel Mills

Steel mills rely on filter presses for the treatment of wastewater and sludge. Filter presses are used to remove solids from the mill's effluent, ensuring compliance with environmental regulations. They are also used in the dewatering of sludge generated during the steelmaking process.

Applications In Municipal Plants

Municipal wastewater treatment plants use filter presses for the dewatering of sludge. Filter presses are used to separate the solid waste from the wastewater, reducing its volume and facilitating its disposal. They play a crucial role in the efficient and sustainable operation of municipal wastewater treatment facilities.

Customization Services

To meet different filtration requirements, we provide customized filter press solutions based on material type (oil, sludge, industrial wastewater, or chemical slurry), system configuration (plate and frame type, horizontal type, vertical type, or stainless steel structure), treatment process (solid-liquid separation, impurity filtration, and dewatering), processing capacity. For more information or technical support, please feel free to contact us.

Packaging and Shipping

Packaging	Wooden box, PE film
Transportation methods	Road transport, rail transport, sea transport, air transport

Our Certificate

FAQ

Q: How does a filter press work?

A: The process starts by feeding slurry into the filter chambers formed by filter plates. Under pressure, the liquid passes through the filter cloth and exits as filtrate, while solid particles are trapped and gradually form filter cakes inside each chamber.

Q: What industries commonly use filter presses?

A: Filter presses are used in wastewater treatment, chemical production, mining, food processing, pharmaceuticals, metallurgy, and oil purification. Any industry that requires solid-liquid separation can benefit from this equipment.

Q: What materials can a filter press process?

A: Filter presses can handle a wide range of materials such as industrial sludge, chemical slurry, wastewater, edible oil residues, drilling mud, and mineral suspensions. The selection depends on viscosity, particle size, and moisture content.

Chongqing TOP Oil Purifier Co., Ltd. is one of the most experienced filter press manufacturers and suppliers in China. Please rest assured to buy CE approved filter press made in China here from our factory. We also accept customized orders.

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