


Discover the unparalleled efficiency of our Cast Iron Press Filter, a pinnacle of solid-liquid separation technology. This state-of-the-art equipment is a cornerstone in sectors including chemical engineering, mining, food processing, and wastewater management. Crafted from resilient cast iron, this filter promises unrivaled durability and steadfast stability, making it a wise investment for long-term use.
Product Features
Unyielding Durability and Robustness: Engineered with a sturdy cast iron framework, this press filter guarantees dependable performance even under the most rigorous high-pressure and high-temperature conditions.
Superior Filtration Efficiency: Thanks to its finely-tuned design, our filter ensures a swift and effective separation process, making the division of solids and liquids seamless.
Impressive Corrosion Resistance: Specially treated to withstand a wide range of chemical environments, ensuring longevity and reliability.
Effortless Maintenance: Designed for easy disassembly and cleaning, this filter minimizes downtime, allowing for efficient and timely maintenance.
Applications
Mining Sector: Perfect for the dewatering of ores and efficient tailing treatment.
Chemical Engineering: Ideal for the filtration of both chemical raw materials and by-products, optimizing production processes.
Wastewater Treatment: Expertly handles sludge dewatering and streamlines solid-liquid separation tasks.
Food Industry: Perfect for the meticulous filtration of liquids such as juices and wines, ensuring product quality.
Additional Industries: Efficiently manages high-temperature wax removal and other specialized tasks.
Work Principle
The Cast Iron Pressure Filter operates by introducing the liquid between plates and filter cloth. Pressure drives the liquid through the cloth, leaving solids to form a cake. Once filtration is complete, simple mechanical unloading clears the unit, readying it for the next cycle.
Maintenance and Care
Routine Inspections: Regular checks of connections and seals are crucial to prevent any potential leaks and maintain optimal performance.
Thorough Cleaning: Prompt washing of the filter cloth and plates post-use is essential to prevent any residual build-up and ensure longevity.
Regular Lubrication: Maintain seamless operation by consistently lubricating moving components.
Summary
The cast iron pressure filter stands as a testament to robust construction and exceptional performance, a vital asset for industrial solid-liquid separation needs. With diligent care and operation, users can expect significant enhancements in production efficiency and substantial reductions in operating costs.
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 passionately dedicated to pioneering advancements in the filter press and solid-liquid separation industries. As the esteemed architects of the industry standards for filter presses and filter plates, our products proudly stand among the top three for both production and sales volume within China. Spanning an impressive 570,000 square meters, our state-of-the-art manufacturing facilities are staffed by a thriving team of over 1,000 dedicated professionals.
We are a visionary smart manufacturer and a full-spectrum service provider specializing in cutting-edge filter presses and advanced sludge dewatering equipment.
Our company boasts three expansive production bases, eight strategic domestic offices, two global offices, two thriving overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our innovative prowess is underscored by three invention patents and an impressive portfolio of over 100 utility model patents.
Our commitment to excellence is reflected in the myriad of certifications and accolades we have garnered, which include the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the esteemed EU's CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
We relentlessly strive to deliver exceptional user experiences coupled with highly cost-effective and efficient design solutions tailored to exceed expectations!








Q1. Are you a manufacturer or a trader?
We are a seasoned and innovative manufacturer, proudly based in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000 square meters,
2 and boasts an impressive annual production capability of 9,500 machine sets.
Q3. How long is the delivery time for bulk order?
Typically, our efficient processes enable delivery within 15-30 working days post-deposit. However, for larger equipment or when specialized customer specifications are required, delivery timelines may be adjusted accordingly.
Q4. What are the payment terms?
Our standard payment terms involve an initial deposit via T/T before production begins, followed by the balance payment upon satisfactory inspection post-order confirmation.
Q5. How long is the product warranty period?
We offer a robust one-year warranty for normal use, accompanied by lifelong online service support. Please note, the warranty excludes wearing parts and issues arising from incorrect operation by personnel.
Q6. What's the after-sale service of your company?
We are committed to seamless installations, providing clients with detailed foundation drawings. Additionally, we offer comprehensive installation videos and expert online guidance. Should there be a need for on-site support, our team is ready to accommodate your requirements.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our clients. For equipment not produced by us, we kindly request the wearing parts drawings to ensure precise replication.