


Embrace the future of filtration with the Dazhang High Pressure Program Controlled Membrane Filter Press, a marvel of engineering featuring the world's leading TPE diaphragm technology. Revel in its remarkable longevity and exceptional membrane shrinkage, all while enjoying unrivaled resistance to harsh acids and alkalis. Tailored for diverse industries, this filter press provides the ultimate flexibility by leveraging either air or water pressure for pressing, with water pressure capabilities spanning from 0.8 to an astounding 4.0 MPa.
Experience the pinnacle of solid-liquid separation with our variable filter chamber technology, a trailblazer in efficiency across industries from petrochemical to photovoltaics. Witness a quantum leap in production efficacy and enjoy substantially reduced filter cake moisture content. With pressure levels ranging from the conventional 0.8-1.6Mpa to ultra-high pressures of 2.0-4.0Mpa, our equipment is precisely adapted to meet the demanding requirements of all working conditions.
Revolutionize sludge management with our high-pressure dewatering technology, setting a new benchmark in the municipal domestic sludge dewatering sector. Achieve the lowest possible filter cake moisture content, perfectly aligned with landfill and incineration standards, achieving an impressive 35%-60% moisture content in municipal sludge. Our technology surpasses traditional dewatering methods, providing unprecedented sludge reduction treatment.
Step into the future with our advanced dehydration system, designed for seamless automated operation. Enhance efficiency with optional features like the filter cake auxiliary discharge system, filter cloth online flushing system, and automatic valve instrument. Together, they create a platform for fully unmanned operation, streamlining processes like never before.
TYPE |
D |
D1 |
D2 |
n-M |
D |
D1 |
D1 |
n-M |
Diaphragm pressing flange |
870 |
185 |
145 |
56 |
4-Φ18 |
165 |
125 |
40 |
4-Φ18 |
DN25/PN1.6 |
1000 |
185 |
145 |
56 |
4-Φ18 |
165 |
125 |
40 |
4-Φ18 |
DN25/PN1.6 |
1250 |
220 |
180 |
85 |
8-Φ18 |
165 |
125 |
40 |
4-Φ18 |
DN50/PN1.6 |
1500 |
285 |
240 |
144 |
8-Φ23 |
165 |
125 |
40 |
4-Φ18 |
DN65/PN1.6 |
XG200/1250-U |
200 |
|
≤40 |
3847 |
73 |
≥0.8 |
|
15320 |
8450×1840×163C |
7356 |
|
|
|
XG240/1250-U |
240 |
4679 |
89 |
16170 |
9670×1840×1630 |
8580 |
XG250/1250-U |
250 |
4783 |
91 |
17020 |
9820×1840×1630 |
8730 |
XG200/1500-U |
200 |
1500×1500 |
3809 |
49 |
11 |
26120 |
7140×2200×1820 |
5920 |
1170 |
1990 |
1070 |
xG250/1500-U |
250 |
4723 |
61 |
26930 |
7730×2200×1820 |
6910 |
xG300/1500-U |
300 |
5637 |
73 |
28160 |
8720×2200×1820 |
7900 |
XG350/1500-U |
350 |
6551 |
85 |
29600 |
10110×2200×1820 |
9090 |
XG400/1500-U |
400 |
7618 |
99 |
31500 |
11260×2200×1820 |
10240 |
XG450/1500-U |
450 |
8532 |
111 |
33400 |
12250×2200×1820 |
11230 |
XG500/1500-U |
500 |
9446 |
123 |
33380 |
13240×2200×1820 |
12220 |
XG600/2000-U |
600 |
2000×2000 |
11901 |
85 |
15 |
54164 |
13030×3000×2500 |
10610 |
1660 |
2000 |
1050 |
XG700/2000-U |
700 |
13838 |
99 |
58300 |
14390×3000×2500 |
11920 |
XG800/2000-U |
800 |
14945 |
107 |
62460 |
15770×3000×2500 |
13240 |


For over two decades, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has been at the forefront of the filter press and solid-liquid separation industries. As key contributors to setting the industry standards for filter presses and plates, we proudly stand among the top three in China for production and sales volume. Our expansive manufacturing facilities, sprawling over an impressive 570,000 square meters, are staffed by a dedicated team of more than 1,000 professionals.
We excel as a smart manufacturer and a comprehensive service provider, specializing in advanced filter presses and sludge dewatering equipment, offering innovative solutions to meet diverse industry needs.
Our company boasts three state-of-the-art production bases, complemented by eight domestic and two international offices. We also operate two overseas subsidiaries and a prestigious Sino-German joint venture for manufacturing high-end filter plates. Our innovation is demonstrated by three invention patents and over 100 utility model patents, showcasing our commitment to cutting-edge technology.
Our commitment to excellence is underscored by a wide range of certifications and honors, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, ISO 18001 for Occupational Health and Safety, the esteemed EU's CE certification, and comprehensive insurance coverage by PICC, the People's Insurance Company of China.
We are dedicated to providing users with superior experiences and delivering cost-effective, efficient design solutions that align with their needs!








Q1. Are you a manufacturer or a trader?
Proudly positioned in Shanghai, we are a seasoned manufacturer with a wealth of experience.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000 square meters,
ensuring a robust production capacity of 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, bulk orders are delivered within 15-30 working days post-deposit. Larger equipment and special customer requirements may extend this timeline.
Q4. What are the payment terms?
Our standard payment method is T/T, with an initial deposit required before production commencement upon order confirmation, followed by a balance payment after final inspection.
Q5. How long is the product warranty period?
Our warranty covers one year for normal use, accompanied by lifelong online service. Note that wearing parts and issues from incorrect operation are outside this warranty.
Q6. What's the after sale service of your company?
We offer comprehensive after-sales support, including foundation drawings for installation, detailed instructional videos, and online guidance. If needed, our experts can be dispatched to your site as per your requirements.
Q7. Can your company provide wearing parts?
We manufacture wearing parts for our valued clients. For equipment not produced by us, please provide the wearing parts drawing for compatibility assurance.