


The Cast Iron Press Filter is your go-to solution for efficient and effective solid-liquid separation across various industries including chemical engineering, mining, food processing, and wastewater treatment. Crafted with cast iron, it boasts unmatched durability and stability, ensuring long-lasting performance and reliability.
Product Features
Durable and Robust: The exceptional cast iron structure guarantees dependable operation even under harsh conditions of high pressure and temperature, providing steadfast reliability.
High Efficiency Filtration: Designed for optimal performance, it accelerates the separation process, yielding rapid and highly effective results in solid-liquid separation.
Corrosion Resistance: Engineered with special treatments, this filter press adapts seamlessly to various chemical media, standing strong against corrosion.
Easy Maintenance: Its user-friendly design allows for quick disassembly and cleaning, significantly cutting down on maintenance time and ensuring seamless operations.
Applications
Mining: Expertly handles the dewatering of ores and tailing treatment, enhancing productivity and resource management.
Chemical Engineering: Efficiently filters chemical raw materials and by-products, ensuring purity and quality in production processes.
Wastewater Treatment: Provides exceptional sludge dewatering and solid-liquid separation, contributing to cleaner and more sustainable water management.
Food Industry: Ensures the pristine filtration of beverages such as juices and wines, maintaining flavor and quality.
Other Industries: Removes high-temperature wax with precision, ensuring product integrity across varied sectors.
Work Principle
The Cast Iron Pressure Filter operates by channeling the liquid between filter plates and cloth. Under pressure, liquid passes through, leaving solids to form a filter cake on the cloth. Post filtration, mechanical unloading is efficiently facilitated.
Maintenance and Care
Regular Inspection: Conduct periodic checks to confirm all connecting parts and seals are secure, preventing potential leakages.
Cleaning: Promptly wash filter cloth and plates after use to remove any residue, ensuring longevity and optimal performance.
Lubrication: Apply lubrication regularly to moving parts to ensure smooth, uninterrupted operation.
Summary
With its sturdy construction and superior performance, the Cast Iron Pressure Filter is indispensable for industrial solid-liquid separation. Adhering to proper usage and maintenance will not only enhance efficiency but also significantly cut down on operational costs, making it a worthwhile investment.
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 at the forefront of the filter press and solid-liquid separation industries. As key contributors to the establishment of industry standards for filter presses and plates, our products proudly hold a top-three position in production and sales across China. Our expansive facilities, spanning over 570,000 square meters, are staffed by a dedicated team of more than 1,000 professionals.
As an innovative manufacturer and all-encompassing service provider, we specialize in both filter presses and sludge dewatering equipment, offering state-of-the-art solutions tailored to your needs.
With a robust infrastructure comprising three production bases, eight domestic offices, two international outposts, two overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate manufacturing, we are well-equipped to serve a global clientele. Our intellectual property portfolio includes three invention patents alongside over 100 utility model patents.
Our commitment to excellence is evidenced by numerous certifications and accolades, including ISO 9001 Quality Management, ISO 14001 Environmental Management, ISO 18001 Occupational Health and Safety Management certifications, the coveted EU CE certification, and comprehensive coverage from PICC, the People's Insurance Company of China.
Our relentless pursuit of innovation ensures users receive unrivaled experiences, coupled with design solutions that are both cost-effective and exceptionally efficient!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the bustling city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory stretches across an area exceeding 570,000 square meters,
enabling us to produce an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery occurs within 15-30 working days post-deposit. However, for large-scale equipment or when clients request specific customizations, the timeline might be extended to accommodate these needs.
Q4. What are the payment terms?
Our standard payment process involves an initial deposit via T/T, followed by the balance payment post-inspection, ensuring transparency and security throughout the transaction.
Q5. How long is the product warranty period?
The warranty spans one year under normal usage conditions, complemented by lifelong online service. Please note that wear and tear or damage from improper handling is not covered.
Q6. What's the after sale service of your company?
We provide comprehensive support to our clients, including foundation drawings for installation, instructional videos, and online guidance. On-site assistance by our technicians can also be arranged to align with your specific requirements.
Q7. Can your company provide wearing parts?
Indeed, we manufacture wearing parts for our esteemed clients. For equipment not produced by us, kindly supply the necessary drawings for the wearing parts you need.