


The cast iron press filter is a powerhouse of efficiency, delivering exceptional solid-liquid separation across a diverse array of industries including chemical engineering, mining, food processing, and wastewater treatment. Crafted from premium cast iron, this remarkable equipment boasts outstanding durability and stability, ensuring long-lasting performance and reliability.
Product Features
Unyielding strength and durability: The cast iron structure is engineered to perform reliably even under extreme high-pressure and high-temperature conditions, ensuring uninterrupted operation.
High-efficiency filtration: The meticulously optimized design accelerates the separation process, making the division of solids and liquids quicker and more efficient.
Corrosion resistance: Enhanced with special treatments, this filter is designed to withstand a variety of chemical media, ensuring longevity and consistent performance.
Effortless maintenance: Designed for easy disassembly and cleaning, this equipment minimizes maintenance time, ensuring more uptime and less hassle.
Applications
Mining: Ideal for ore dewatering and the effective treatment of tailings, enhancing overall mining operations.
Chemical engineering: Perfect for the filtration of chemical raw materials and by-products, facilitating smoother production processes.
Wastewater treatment: Efficiently handles sludge dewatering and solid-liquid separation, improving wastewater management.
Food industry: Specially designed for the filtration of juices, wines, and more, ensuring purity and quality.
Other industries: Masterfully executes high-temperature wax removal, showcasing versatility.
Work Principle
The cast iron pressure filter ingeniously fills the liquid to be treated between the filter plates and cloth. Under pressure, the liquid is propelled through the filter cloth while solid particles remain on it, forming a dense filter cake. Once filtration is done, the equipment allows for mechanical unloading, streamlining the process.
Maintenance and Care
Regular inspection: Diligently check connecting parts and seals for integrity, ensuring water leakage is prevented.
Cleaning: Promptly cleanse filter cloth and plates post-use to prevent any residue build-up, maintaining optimal operation.
Lubrication: Consistently lubricate moving parts to assure smooth and efficient operation, preventing wear and tear.
Summary
With its robust construction and superior performance, the cast iron pressure filter stands as a pivotal player in industrial solid-liquid separation. Adhering to proper usage and maintenance protocols will substantially boost production efficiency and curtail operating expenses, ensuring a seamless and cost-effective operation.
Model |
Area(m2) |
Imm
Plate size |
Cake thickness(mm) |
chamber volume(L) |
Plate Oty(pcs) |
Frame Oty(pcs) |
Filtration
pressure(Mpa) |
Weight(kg) |
Dimensions
LxWxH(mm) |
Foundation Size (mm)
|
|
B |
D |
H |
BQ1/320-25 |
|
380×380 |
225 |
13 |
4 |
6 |
0.6 |
380 |
1150×760×650 |
700 |
150 |
650 |
460 |
BQ2/320-25 |
2 |
25 |
9 |
10 |
500 |
1390×760 x650 |
940 |
BQ3/320-25 |
|
38 |
14 |
15 |
620 |
1750x760x650 |
1300 |
BQ4/450-25 |
|
500x500 |
51 |
9 |
10 |
0.6 |
1060
1160 |
1780×870×880
2055×870x880 |
1355
1605 |
180 |
700 |
620 |
BQ6/450-25 |
6 |
76 |
14 |
15 |
BQ8/450-25 |
|
102 |
190 |
20 |
1360 |
2305×870×880 |
1855 |
BQ12/450-25 |
12 |
152 |
29 |
30 |
1530 |
2785x870×890 |
2355 |
BQ16/450-25 |
16 |
203 |
39 |
40 |
1760 |
3305x870x880 |
2855 |
XQ4/450-25 |
|
51 |
9 |
- |
960 |
1900x870x880 |
1330 |
180 |
700 |
620 |
XQ6/450-25 |
6 |
76 |
14 |
1140 |
2030×870x880 |
1580 |
XQ8/450-25 |
8 |
102 |
19 |
1460 |
2280×870×880 |
1830 |
XQ12/450-25 |
12 |
162 |
29 |
1960 |
2780×870x880 |
2330 |
XQ16/450-25 |
16 |
203 |
39 |
2460 |
3280x870x880 |
2830 |
BQ20/630-25 |
20 |
700×700 |
290 |
24 |
25 |
0.6 |
3300 |
2750x1160×1100 |
2270 |
400 |
1000 |
820 |
BQ30/630-25 |
30 |
452 |
37 |
38 |
4500 |
3220×1150×1100 |
2920 |
BQ40/630-25 |
40 |
496 |
49 |
50 |
5600 |
2870×1150,1100 |
3670 |
BY20/630-25 |
20 |
298 |
24 |
25 |
3700 |
2960×1150×1100 |
2490 |
400 |
1000 |
820 |
BY30/630-25 |
30 |
452 |
37 |
38 |
5000 |
3610×1150x1100 |
3140 |
BY40/630-25 |
40 |
595 |
49 |
50 |
6100 |
4210x1150x1100 |
3740 |
XQ20/630-25 |
20 |
248 |
24 |
- |
3400 |
2800x1100x1100 |
2300 |
400 |
1000 |
820 |
XQ30/630-25 |
30 |
377 |
37 |
4700 |
3250×1100×1100 |
2950 |
XQ40/630-25 |
40 |
495 |
49 |
5900 |
3900×1100x1100 |
3600 |
XY20/630-25 |
20 |
248 |
24 |
3800 |
2950×1100x1100 |
2460 |
400 |
1000 |
820 |
XY30/630-25 |
30 |
377 |
37 |
5200 |
3580×1100×1100 |
3110 |
XY40/630-25 |
40 |
496 |
49 |
6400 |
4180×1100×1100 |
3710 |
Model |
Area(m2) |
Plate size(mm) |
Cake thickness(mm) |
Filter
chamber volume(L) |
Plate NO.(pcs) |
Filtration
pressure(Mpa) |
Weight(Kg) |
Dimensions
LxWxH(mm) |
Foundation Size(mm) |
L |
B |
D |
H |
XZ50/870-30 |
50 |
800×800 |
30 |
730 |
38 |
0.6 |
9000 |
4170×1300×1300 |
2795 |
500 |
1250 |
870 |
XZ60/870-30 |
60 |
883 |
46 |
10800 |
4560×1300×1300 |
3195 |
XZ70/870-30 |
70 |
1036 |
54 |
12000 |
4960×1300×1300 |
3595 |
XZ80/1000-30 |
80 |
930×930 |
1194 |
45 |
0.6 |
13800 |
4775× 1400 x 1400 |
3420 |
600 |
1300 |
900 |
X790/1000-30 |
90 |
1323 |
51 |
15500 |
5245×1400×1400 |
3750 |
XZ100/1000-30 |
100 |
1479 |
57 |
16800 |
5915× 1400×1400 |
4080 |
XZ80/1200-30 |
80 |
1130×1130 |
1226 |
31 |
0.6 |
17600 |
4100×1620×1520 |
3020 |
750 |
1500 |
920 |
XZ90/1200-30 |
90 |
1379 |
35 |
18800 |
4340 × 1620 × 1520 |
3260 |
XZ100/1200-30 |
100 |
1532 |
39 |
20800 |
4580×1620×1520 |
3500 |
XZ120/1200-30 |
120 |
1838 |
47 |
23500 |
5060 ×1620 × 1520 |
3980 |
XZ150/1200-30 |
150 |
2300 |
59 |
27500 |
5780×1620×1520 |
4700 |
XZ180/1200-30 |
180 |
2758 |
71 |
31500 |
6500×1620×1520 |
5420 |
Model |
Area(m2) |
Plate size(mm) |
Cake thickness(mm) |
Filter
chamber volume(L) |
Plate Qty(pcs) |
Frame Qty(pcs) |
Filtration
pressure(Mpa) |
Weight(kg) |
Dimensions
LxWxH(mm) |
Foundation Size(mm) |
L |
B |
D |
H |
BY40/870-25 |
40 |
800×800 |
25 |
496 |
30 |
31 |
0.6 |
6400 |
3550×1380x1300 |
2980 |
500 |
1250 |
870 |
BY50/870-25 |
50 |
624 |
38 |
39 |
7650 |
3970×1380×1300 |
3420 |
BY60/870-25 |
60 |
752 |
46 |
47 |
8900 |
4420×1380×1300 |
3870 |
BY70/870-25 |
70 |
880 |
54 |
55 |
10500 |
4870×1380×1300 |
4318 |
BY80/870-25 |
80 |
1008 |
62 |
63 |
11800 |
5320×1380×1300 |
4770 |
XY40/870-30 |
40 |
30 |
595 |
30 |
|
0.6 |
6750 |
3500×1380×1300 |
2950 |
500 |
1250 |
870 |
XY50/870-30 |
50 |
749 |
38 |
8100 |
3720×1380×1300 |
3175 |
XY60/870-30 |
60 |
902 |
46 |
9400 |
3950 ×1380x1300 |
3400 |
XY70/870-30 |
70 |
1056 |
54 |
11100 |
4180×1380×1300 |
3620 |
XY80/870-30 |
80 |
1210 |
62 |
12500 |
4400×1380x1300 |
3850 |


For over two decades, Shanghai Dazhang has passionately committed to revolutionizing the filter press and solid-liquid separation industries. As pivotal contributors to the industry standards for filter presses and filter plates, our esteemed products proudly secure a top-three position in China's production and sales landscape. Our sprawling manufacturing domain encompasses a vast 570,000 square meters, supported by a dedicated team of over 1,000 skilled professionals.
We stand as a pioneering smart manufacturer and comprehensive service provider in the realms of filter presses and sludge dewatering equipment.
Our company boasts a robust infrastructure with three expansive production bases, eight strategic domestic offices, two international outposts, two thriving overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate manufacturing. We take pride in holding three invention patents and an impressive portfolio of over 100 utility model patents.
Our reputation is fortified by a plethora of certifications and accolades, including the esteemed ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the coveted EU CE certification, along with comprehensive insurance coverage from PICC, the People's Insurance Company of China.
Our mission is to deliver unparalleled user experiences through innovative and economically viable design solutions, ensuring maximum efficiency and satisfaction!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our vast factory expands over an area exceeding 570,000m
2 and is capable of producing an astounding 9,500 machine sets annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery spans 15-30 working days post-deposit. However, for larger equipment and unique specifications, the timeline may be extended to accommodate customer requirements.
Q4. What are the payment terms?
Payment is conventionally processed via T/T. An initial deposit is required before production post-order confirmation, followed by the balance payment upon successful inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for standard use, complemented by lifelong online service. Note, wearing parts and issues due to improper handling are not covered.
Q6. What's the after sale service of your company?
We will supply clients with essential foundation drawings for installation. Additionally, installation videos and online assistance are available. On-site assistance by our skilled workers can be arranged to suit your needs.
Q7. Can your company provide wearing parts?
We have the capability to produce wearing parts tailored for our clients. For equipment not originally manufactured by us, kindly provide the corresponding wearing parts drawings.