


Introducing our Cast Iron Press Filter, the epitome of efficient solid-liquid separation technology. Esteemed across diverse industries such as chemical engineering, mining, food processing, and wastewater treatment, this powerhouse is crafted from premium cast iron, promising superior durability and unwavering stability.
Product Features
Durable and Robust: Engineered with a resilient cast iron framework, this filter excels in performance even under demanding high-pressure and high-temperature environments.
High Efficiency Filtration: Its cutting-edge design accelerates the separation process, ensuring rapid and effective filtration of solids from liquids.
Corrosion Resistance: Enhanced with specialized treatments, it boasts remarkable adaptability to a wide range of chemical media, guarding against corrosion.
Easy Maintenance: Engineered for convenience, it can be effortlessly disassembled and cleaned, significantly reducing downtime and maintenance efforts.
Applications
Mining: Expertly handles the dewatering of ores and the treatment of tailings, optimizing mining operations.
Chemical Engineering: Efficiently filters chemical raw materials and by-products, enhancing process effectiveness.
Wastewater Treatment: Masterfully manages sludge dewatering and solid-liquid separation, crucial for environmental sustainability.
Food Industry: Ensures perfect filtration of beverages like juices and wines, maintaining purity and taste.
Other Industries: Specifically designed for high-temperature wax removal, showcasing versatility and adaptability.
Work Principle
Our Cast Iron Pressure Filter operates by channeling the liquid to be purified between its robust filter plates and cloth. Under applied pressure, the liquid is seamlessly extracted through the cloth, leaving behind a residual filter cake of solid particles. Upon completion, a mechanical unloading system facilitates efficient removal.
Maintenance and Care
Regular Inspection: Diligently check all connecting components and seals to prevent potential leaks and ensure optimal performance.
Cleaning: Promptly cleanse the filter cloth and plates post-operation to eliminate any residue and ensure longevity.
Lubrication: Consistent lubrication of moving components is essential for maintaining smooth and uninterrupted operation.
Summary
Boasting robust construction and exceptional performance, our Cast Iron Pressure Filter is an indispensable asset for industrial solid-liquid separation. Adhering to proper usage and regular maintenance will markedly enhance productivity and contribute to lower 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 passionately served the filter press and solid-liquid separation industries with unwavering dedication. As the esteemed main drafters of pivotal industry standards, our prestigious products consistently rank among the top three in production and sales volume across all of China. Our expansive state-of-the-art manufacturing facilities stretch across more than 570,000 square meters, housing a thriving team of over 1,000 accomplished staff members.
We stand proud as an innovative leader in smart manufacturing, offering comprehensive services in the realm of filter presses and advanced sludge dewatering equipment.
Our illustrious company boasts three advanced production bases, eight strategic domestic offices, two dynamic international offices, two flourishing overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our portfolio is enriched with three invention patents and a remarkable collection of over 100 utility model patents.
We have been honored with an impressive array of certifications and accolades, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, ISO 18001 for Occupational Health and Safety Management, the prestigious EU's CE certification, and robust insurance coverage from PICC, the People's Insurance Company of China.
Our relentless commitment is to offer unparalleled user experiences, presenting the most cost-effective and highly efficient design solutions to elevate your business!








Q1. Are you a manufacturer or a trader?
We are a veteran manufacturer with a strong presence anchored in the bustling metropolis of Shanghai.
Q2. How about the production capacity of your company?
Our vast factory infrastructure spans over 570,000 m
2 and astoundingly crafts 9,500 sophisticated machines each year.
Q3. How long is the delivery time for bulk order?
Typically, we ensure delivery within 15-30 working days post deposit. However, for larger equipment or where clients necessitate specific customization, delivery timelines may be extended.
Q4. What are the payment terms?
Our standard practice requires a deposit via T/T, with production commencing post order confirmation. Balance payments follow after thorough inspection.
Q5. How long is the product warranty period?
Our warranty extends to one year under normal usage, along with lifelong online service. Note: the warranty excludes wear parts and issues arising from incorrect operation by personnel.
Q6. What's the after-sale service of your company?
We provide comprehensive installation support with detailed foundation drawings and engaging video guides. For further assistance, our experts are available for online guidance, and, if necessary, on-site visits can be arranged to meet your specific needs.
Q7. Can your company provide wearing parts?
Absolutely, we produce high-quality wearing parts for our esteemed clients. If your equipment originates from another manufacturer, kindly supply the necessary drawings for the wearing parts you require.