


The cast iron press filter serves as a pinnacle of innovation in solid-liquid separation technology, renowned for its exceptional efficiency across diverse industries, including chemical engineering, mining, food processing, and wastewater treatment. Built with premium cast iron, this device guarantees unparalleled durability and unwavering stability, making it an industry favorite.
Product Features
Durable and robust: The cast iron framework is engineered for steadfast performance, effortlessly operating under intense pressure and high-temperature conditions, ensuring reliability and longevity.
High efficiency filtration: With a design optimized for excellence, it accelerates the separation process, making the interaction between solids and liquids swift and remarkably effective.
Corrosion resistance: Engineered with specialized treatments, this filter press is adept at handling a vast array of chemical media, ensuring long-lasting performance without compromise.
Easy maintenance: Designed for convenience, it offers seamless disassembly and cleaning, significantly minimizing downtime and maintenance efforts.
Applications
Mining: Expertly designed for the dewatering of ores and efficient tailing treatments, enhancing operational productivity.
Chemical engineering: Provides superior filtration for chemical raw materials and by-products, ensuring purity and quality.
Wastewater treatment: Delivers exceptional performance in sludge dewatering and comprehensive solid-liquid separation.
Food industry: Ensures remarkable filtration of various beverages, including juices and wines, maintaining flavor and quality.
Other industries: Perfectly suited for high-temperature wax removal, showcasing its versatility across sectors.
Work Principle
Operating on a sophisticated principle, the cast iron pressure filter introduces the liquid between meticulously crafted filter plates and cloth. As pressure builds, liquid traverses the filter cloth, leaving behind a solidified filter cake. Upon completion, the system allows for efficient mechanical unloading, streamlining operations.
Maintenance and Care
Regular inspection: Conduct thorough inspections to ensure that all connecting parts and seals are intact, preventing any potential water leakage.
Cleaning: Promptly wash the filter cloth and plates post-use to eliminate residue, maintaining optimal performance.
Lubrication: Consistently lubricate moving components to guarantee smooth and uninterrupted operation, prolonging device life.
Summary
The cast iron pressure filter, with its superior construction and powerful capabilities, stands as a vital asset for industrial solid-liquid separation. Adhering to proper usage and maintenance protocols will dramatically boost production efficiency and cut operating expenses, underscoring its value in any industrial setting.
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 the innovative field of filter presses and solid-liquid separation industries. Proudly standing as the primary drafters of the industry's standards for filter presses and filter plates, our exceptional products consistently rank among the top three in both production and sales volumes across China. Our expansive manufacturing facilities, covering an impressive area of over 570,000 square meters, are staffed by a team of more than 1,000 dedicated professionals.
We are a distinguished smart manufacturer and a comprehensive service provider specializing in state-of-the-art filter presses and advanced sludge dewatering equipment.
Our company boasts three strategically located production bases, complemented by eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture, all focused on high-end filter plate manufacturing. We are proud holders of three pioneering invention patents and an extensive portfolio of over 100 utility model patents.
Our dedication to excellence has earned us a multitude of certifications and accolades, including the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the coveted EU CE certification, along with reliable insurance coverage from PICC, the People's Insurance Company of China.
Our unwavering commitment is to deliver superior user experiences through more cost-effective and highly efficient design solutions!








Q1. Are you a manufacturer or a trader?
We are a seasoned and highly skilled manufacturer proudly based in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our state-of-the-art factory spans a vast area of over 570,000 square meters,
2 with an impressive annual production volume of 9,500 machine sets.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeframe ranges from 15 to 30 working days after the deposit is received. For larger equipment or when customers have specific requirements, the delivery period may be extended to ensure precision and quality.
Q4. What are the payment terms?
Our standard payment terms are through T/T. A deposit is required prior to production following order confirmation, with the balance payable after a thorough inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for normal use, accompanied by lifelong online service support. Please note that wearing parts and issues caused by incorrect operation are not covered.
Q6. What's the after sale service of your company?
We provide clients with comprehensive foundation drawings for seamless installation, along with detailed installation videos and online guidance. Should you require on-site assistance, our skilled workers can be dispatched to your location according to your specific needs.
Q7. Can your company provide wearing parts?
Yes, we can expertly produce wearing parts for our valued clients. If your equipment was not manufactured by us, please supply the wearing parts drawing for accurate production.