


The cast iron press filter is a pinnacle of efficient solid-liquid separation technology, excelling across diverse industries including chemical engineering, mining, food processing, and wastewater treatment. Crafted from premium cast iron, this equipment guarantees unparalleled durability and stability, providing long-lasting service you can depend on.
Product Features
Durable and Robust: Engineered with a cast iron structure, this filter ensures unwavering performance even under the most demanding high-pressure and high-temperature scenarios.
High Efficiency Filtration: Meticulously optimized for faster and more effective solid-liquid separation, enhancing operational productivity.
Corrosion Resistance: Specially treated to withstand various chemical media, ensuring longevity and adaptability in challenging environments.
Easy Maintenance: Designed for effortless disassembly and cleaning, significantly reducing maintenance downtime.
Applications
Mining: Expertly dewaters ores and manages tailing treatments with precision.
Chemical Engineering: Ideal for the meticulous filtration of chemical raw materials and by-products.
Wastewater Treatment: Efficiently handles sludge dewatering and comprehensive solid-liquid separation.
Food Industry: Perfect for the precise filtration of juices, wines, and other beverages, ensuring purity and quality.
Other Industries: Exceptional at high-temperature wax removal, catering to niche industrial needs.
Work Principle
In operation, the cast iron pressure filter introduces the liquid between filter plates and cloth; pressure compels the liquid through the cloth, leaving solids to form a cake. After filtration, mechanical unloading simplifies the process.
Maintenance and Care
Regular Inspection: Vigilant checks on connecting parts and seals ensure they remain intact, averting potential leaks.
Cleaning: Prompt washing of filter cloth and plates after each use prevents residue accumulation, maintaining efficiency.
Lubrication: Routine lubrication of moving components guarantees seamless operation and extends equipment lifespan.
Summary
Boasting robust construction and superior performance, the cast iron pressure filter emerges as an indispensable asset for industrial solid-liquid separation. Correct usage and diligent maintenance markedly enhance production efficiency while curbing operational 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 at the forefront of filter press innovation and solid-liquid separation technologies. As the primary contributors in setting industry benchmarks for filter presses and filter plates, our company proudly stands among the top three in China for both production and sales. Our expansive manufacturing facilities span over 570,000 square meters, with a dedicated team of more than 1,000 professionals.
We epitomize a smart manufacturing powerhouse and offer a comprehensive suite of services in filter presses and sludge dewatering solutions.
Our operations are supported by three robust production bases, eight strategic domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture specializing in premium filter plate production. We are innovators with three invention patents and hold over 100 utility model patents.
Our commitment to excellence is reflected in our numerous certifications, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, and ISO 18001 for Occupational Health and Safety Management. We are also accredited with the EU's CE certification and insured by PICC, China's leading insurance provider.
Our vision is to deliver unparalleled user experiences with designs that are both cost-effective and efficient, ensuring satisfaction at every step!








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 expansive facilities cover over 570,000 square meters
2 and boast an impressive annual production capacity of 9,500 units.
Q3. How long is the delivery time for bulk order?
Our standard delivery timeframe is 15-30 working days post-deposit. However, for larger equipment or specific customer requirements, delivery timelines may be adjusted accordingly.
Q4. What are the payment terms?
We generally accept T/T payments. A deposit is required to kickstart production upon order confirmation, followed by the balance payment after inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal usage, complemented by lifelong online support. Please note that the warranty excludes wear and tear parts and issues arising from incorrect operation by personnel.
Q6. What's the after sale service of your company?
We extend comprehensive support post-purchase, including foundation drawings for installation, instructional videos, and online guidance. On-site assistance by our experts can be arranged as per your requirements.
Q7. Can your company provide wearing parts?
Indeed, we manufacture and supply wearing parts for our equipment. For other brands, we request clients to provide detailed drawings of the required parts.