


Introducing the pinnacle of solid-liquid separation technology: the cast iron press filter by Shanghai Dazhang Environment Protection Equipment Co., Ltd. This powerhouse of efficiency is a must-have in industries spanning chemical engineering, mining, food processing, and wastewater management. Crafted from durable cast iron, this equipment promises unwavering stability and long-lasting performance.
Product Features
Unmatched Durability and Strength: Experience uncompromised reliability even under extreme conditions, thanks to its robust cast iron framework.
Superior Filtration Efficiency: Engineered for rapid and effective separation, this design elevates the process of distinguishing solids from liquids.
Outstanding Corrosion Resistance: Special treatments ensure remarkable adaptability to diverse chemical environments.
Effortless Maintenance: Designed for straightforward disassembly and cleaning, which significantly cuts down maintenance time.
Applications
Mining: Expertly handles the dewatering of ores and tailings, optimizing your extraction processes.
Chemical Engineering: Perfect for filtering chemical raw materials and by-products with precision.
Wastewater Treatment: Excels in the dewatering of sludge and comprehensive solid-liquid separations.
Food Industry: Skillfully manages the filtration of juices, wines, and more, enhancing product quality.
Other Industries: Efficiently removes high-temperature wax, showcasing its versatility.
Work Principle
At the heart of the cast iron pressure filter is a sophisticated mechanism where liquids are methodically introduced between filter plates and cloth. Pressure forces the liquid through the filter, leaving a solid cake behind. Once filtration concludes, mechanical unloading is effortlessly executed.
Maintenance and Care
Routine Inspections: Regularly check seals and connections to prevent leaks and ensure optimal performance.
Thorough Cleaning: Promptly wash filter cloths and plates post-usage to eliminate residues and maintain efficiency.
Consistent Lubrication: Keep moving parts well-lubricated to guarantee smooth, uninterrupted operations.
Summary
In essence, the cast iron pressure filter is a vital asset in industrial solid-liquid separation, with its sturdy build and exceptional efficiency. Proper utilization and meticulous maintenance not only elevate productivity but also substantially cut operational 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 pioneered the realms of filter presses and solid-liquid separation industries. As trailblazers and main architects of industry standards for filter presses and plates, our innovative products consistently secure a top three position in China's production and sales volumes. With sprawling manufacturing facilities that span over 570,000 square meters and a dedicated workforce of more than 1,000 talented individuals, we stand as a beacon of excellence in our industry.
We pride ourselves as an intelligent manufacturer and a holistic service provider, specializing in filter presses and state-of-the-art sludge dewatering equipment.
Our expansive operations encompass three robust production bases, a network of eight domestic offices, two strategic international offices, two thriving overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our portfolio boasts three groundbreaking invention patents and a collection of over 100 utility model patents.
Our commitment to excellence is exemplified through the acquisition of numerous certifications and accolades, including the prestigious 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 courtesy of PICC, the People's Insurance Company of China.
In our unwavering quest to deliver unparalleled user experiences, we are dedicated to providing solutions that are not only more cost-effective but also significantly enhance efficiency and effectiveness!








Q1. Are you a manufacturer or a trader?
We proudly operate as a seasoned and experienced manufacturer, strategically nestled in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory, covering an impressive area of over 570,000 square meters,
2 is capable of producing a remarkable 9,500 sets of machines annually.
Q3. How long is the delivery time for bulk order?
Our typical delivery timeframe for bulk orders ranges from 15 to 30 working days post-deposit. However, for larger equipment or when customers have specific requirements, delivery schedules may be adjusted to accommodate these needs.
Q4. What are the payment terms?
Our usual payment terms involve T/T. An initial deposit is required before production commences upon order confirmation, with the balance due after a thorough and satisfactory inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for standard use, complemented by a lifetime of online service support. Please note, the warranty excludes wearing parts and issues arising from improper operation by personnel.
Q6. What's the after sale service of your company?
We provide clients with detailed foundation drawings for seamless installation. Additionally, we offer comprehensive installation videos and real-time online guidance. Should you require on-site assistance from our skilled workers, we can accommodate your specific needs accordingly.
Q7. Can your company provide wearing parts?
Yes, we manufacture wearing parts for our clientele. If your equipment was not produced by us, kindly provide detailed drawings of the necessary wearing parts for our review and production.