


The cast iron press filter is a powerhouse in solid-liquid separation, delivering unparalleled efficiency across diverse sectors like chemical engineering, mining, food processing, and wastewater treatment. Crafted from resilient cast iron, this equipment promises exceptional durability and unwavering stability, ensuring long-term performance excellence in demanding industrial environments.
Product Features
Durable and robust: Engineered with a cast iron structure, this filter guarantees reliable performance under the most challenging high-pressure and high-temperature conditions, securing peace of mind in every operation.
High-efficiency filtration: A masterclass in design, this filter accelerates the separation process, transforming the interaction of solids and liquids into a swift and highly effective operation, raising the bar for filtration standards.
Corrosion resistance: Undergoes special treatment to confidently withstand exposure to a wide array of chemical media, enhancing its versatility and longevity.
Easy maintenance: Designed for quick disassembly and cleaning, this filter minimizes downtime and simplifies maintenance, freeing up valuable time and resources.
Applications
Mining: Masterfully handles the dewatering of ores and manages tailing treatment with ease.
Chemical engineering: Excels in filtering chemical raw materials and by-products, maintaining purity and quality.
Wastewater treatment: Expertly performs sludge dewatering and solid-liquid separation, promoting cleaner environments.
Food industry: Perfect for the delicate filtration of juices, wines, and other consumables, ensuring quality and taste.
Other industries: Efficiently manages high-temperature wax removal, broadening its industrial applications.
Work Principle
The ingenious cast iron pressure filter initiates by filling the filter plates and cloth with liquid. Through applied pressure, the liquid is seamlessly forced through the filter cloth, leaving behind solid particles that form a robust filter cake. Once filtration concludes, mechanical unloading takes over to streamline the process.
Maintenance and Care
Regular inspection: Diligently check connecting parts and seals to preserve integrity and prevent water leakage, securing operational effectiveness.
Cleaning: Promptly cleanse filter cloth and plates post-operation to eliminate residue, maintaining optimal performance.
Lubrication: Consistently lubricate moving components to ensure seamless functionality and prolong equipment lifespan.
Summary
The cast iron pressure filter, with its rugged build and superior capabilities, stands as an essential asset for industrial solid-liquid separation. Diligent use and maintenance of this remarkable equipment not only elevate production efficiency but also substantially cut down on operating costs, delivering unbeatable value.
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 Environment Protection Equipment Co., Ltd. has been a pioneering force in the realm of filter presses and solid-liquid separation solutions. As the primary architects of industry benchmarks for filter presses and filter plates, our products proudly stand among the top three in production and sales volume across China. Our expansive manufacturing facilities span over a remarkable 570,000 square meters and are powered by a dedicated team of more than 1,000 talented professionals.
We pride ourselves as an innovative manufacturer and all-inclusive service provider, specializing in state-of-the-art filter presses and advanced sludge dewatering equipment.
Our esteemed company boasts three state-of-the-art production bases, along with eight strategic domestic offices, two influential international offices, and two dynamic overseas subsidiaries. Furthermore, we are proud partners in a Sino-German joint venture dedicated to the production of high-end filter plates. Our impressive portfolio includes three invention patents and a collection of over 100 utility model patents.
Our commitment to excellence is reflected in our numerous certifications and accolades, including the prestigious ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 18001 Occupational Health and Safety Management System, as well as the esteemed EU CE certification. Additionally, our products are safeguarded by the comprehensive insurance coverage from PICC, the People's Insurance Company of China.
We are devoted to delivering unparalleled user experiences, coupled with the most cost-effective and efficient design solutions that the industry has to offer!








Q1. Are you a manufacturer or a trader?
We take pride in being a seasoned manufacturer, strategically headquartered in Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory spans over an impressive area of 570,000 m
2 , boasting an extraordinary production capacity of 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery takes between 15 to 30 working days post-deposit. However, for larger equipment or special customer requirements, delivery timelines may be adjusted accordingly.
Q4. What are the payment terms?
Payments are generally made via T/T. A deposit is required before production commences, following order confirmation, and the balance is settled post-inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal usage conditions, along with lifelong online service. Please note that the warranty excludes wear parts and damages caused by incorrect operation.
Q6. What's the after sale service of your company?
We provide comprehensive foundation drawings for installation, complemented by informative installation videos and expert online guidance. Should there be a need for our specialists to assist on-site, we can accommodate such requests based on your specific needs.
Q7. Can your company provide wearing parts?
We are capable of manufacturing wearing parts for our esteemed clients. If your equipment was not produced by us, please supply the drawings for the required parts, and we will be happy to assist.