


The cast iron press filter stands as a pinnacle of solid-liquid separation technology, revered across diverse sectors such as chemical engineering, mining, food processing, and wastewater treatment. Crafted from premium cast iron, this equipment boasts exceptional durability and stability, ensuring unwavering performance under the most demanding conditions.
Product Features
Unyielding Durability and Robustness: The formidable cast iron structure guarantees dependable operation even when subjected to high pressure and elevated temperature environments.
Superior Filtration Efficiency: Our advanced design facilitates a rapid and effective separation of solids and liquids, optimizing filtration processes for maximum efficiency.
Exceptional Corrosion Resistance: Through specialized treatment, it adeptly handles a vast range of chemical media, safeguarding against corrosion.
Simplified Maintenance: Designed for ease, the equipment is straightforward to disassemble and clean, minimizing downtime and maintenance efforts.
Applications
Mining Industry: Facilitates efficient dewatering of ores and meticulous tailing treatment processes.
Chemical Engineering: Expertly filters chemical raw materials and by-products, enhancing purity and quality.
Wastewater Treatment: Offers unparalleled sludge dewatering and solid-liquid separation, streamlining treatment procedures.
Food Industry: Ensures pristine filtration of juices, wines, and more, maintaining product integrity.
Various Industries: Also excels in high-temperature wax removal tasks, proving its versatility.
Work Principle
Functioning adeptly, the cast iron pressure filter introduces the liquid between the filter plates and cloth. As pressure builds, the liquid is expertly channeled through the filter cloth, leaving solid particles to form a filter cake. Upon completion, mechanical unloading streamlines the process.
Maintenance and Care
Routine Inspection: Conduct regular checks to ensure all connections and seals remain intact, preventing any potential leaks.
Thorough Cleaning: Promptly cleanse the filter cloth and plates post-use to eliminate residue and maintain efficiency.
Regular Lubrication: Ensure seamless operation by consistently lubricating all moving parts.
Summary
A testament to robustness and high-performance, the cast iron pressure filter emerges as an indispensable asset for industrial solid-liquid separation. Adhering to proper usage and diligent maintenance practices not only boosts production efficiency but also remarkably reduces operating expenses.
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 passionately led the charge in the filter press and solid-liquid separation industries. As pivotal contributors to the industry standards on filter presses and filter plates, we proudly stand in the top three for both production and sales volume within China. Our expansive manufacturing operations span more than 570,000 square meters, supported by a dedicated team of over 1,000 professionals.
We proudly position ourselves as an innovative manufacturer and comprehensive service provider, specializing in cutting-edge filter presses and advanced sludge dewatering equipment.
With a robust infrastructure, the company operates three state-of-the-art production bases, maintains eight strategic domestic offices, two international offices, and champions two overseas subsidiaries. Additionally, we engage in a prestigious Sino-German joint venture focused on manufacturing high-end filter plates. Our commitment to innovation is reflected in our portfolio of three invention patents and an impressive array of over 100 utility model patents.
Our excellence is recognized through numerous certifications and honors, including the ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 18001 Occupational Health and Safety Management certifications. We also proudly bear the EU's CE certification, with the added assurance of insurance coverage from PICC, the reputable People's Insurance Company of China.
Our mission is to deliver exceptional user experiences through more cost-effective and efficient design solutions that set new benchmarks in the industry.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer located in the vibrant city of Shanghai, dedicated to delivering excellence.
Q2. How about the production capacity of your company?
Our expansive factory covers over 570,000 square meters,
2 and boasts an impressive annual production capacity of 9,500 machines.
Q3. How long is the delivery time for bulk order?
Typically, delivery is within 15-30 working days post-deposit. However, for larger equipment or special client requirements, delivery timelines may be extended to ensure precision.
Q4. What are the payment terms?
Payment is usually conducted via T/T. A deposit is required before production begins, following order confirmation, with the balance due after thorough inspection.
Q5. How long is the product warranty period?
Enjoy a one-year warranty under normal usage conditions, complemented by lifelong online service support. Please note, wearing parts and issues resulting from improper operation by workers are excluded.
Q6. What's the after sale service of your company?
We provide clients with foundational drawings for installation, supplemented by comprehensive installation videos and online guidance. Should on-site assistance be required, our team is ready to engage according to your specific needs.
Q7. Can your company provide wearing parts?
We manufacture wearing parts for our equipment. For parts from other manufacturers, kindly provide us with the detailed drawings of the required wearing parts.