


The Dazhang high pressure program-controlled membrane filter press proudly features the internationally leading TPE diaphragm technology. This innovation promises an exceptionally long service life, showcasing superior membrane shrinkage, and robust resistance to both acids and alkalis. It is perfectly adaptable across a multitude of industries. Users have the flexibility to choose between air pressure and water pressure for pressing, with the water pressure capable of reaching an impressive 0.8-4.0 MPa.
Experience the cutting-edge in solid-liquid separation with our variable filter chamber technology, prominently utilized across diverse industries such as petrochemical, mining and metallurgy, food and pharmaceuticals, coal washing, paper manufacturing, pigment dyes, and more. This technology significantly boosts production efficiency and minimizes the moisture content of the filter cake. Select from our pressure options: conventional diaphragm pressing at 0.8-1.6 MPa, or ultra-high-pressure diaphragm pressing options ranging from 2.0-4.0 MPa, tailored to meet any operational demand.
Our high-pressure dewatering technology is revolutionizing the municipal domestic sludge dewatering industry by minimizing the filter cake's moisture content to meet landfill and incineration standards, achieving a remarkable reduction to 35%-60%. Compared to traditional equipment, this advanced technology ensures significant sludge reduction treatment, setting a new benchmark in efficiency and environmental responsibility.
The dehydration system is designed for seamless automated operation, capable of integration with auxiliary systems such as the filter cake discharge system, online filter cloth flushing system, and automatic valve instrumentation. This holistic approach enables truly unmanned operation, redefining convenience and operational efficiency.
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 passionately committed itself to the innovation and development of filter press technology and solid-liquid separation solutions. As the esteemed leaders in drafting industry standards for filter presses and plates, our products proudly hold a position among the top three in China's production and sales volumes. Our expansive manufacturing facilities, sprawled over a vast 570,000 square meters, are powered by a dedicated workforce exceeding 1,000 professionals, all striving for excellence.
We are a pioneering and intelligent manufacturer, offering a comprehensive suite of services in the realm of filter presses and sludge dewatering equipment.
Our dynamic company boasts three state-of-the-art production bases, eight strategically positioned domestic offices, two international branches, two dynamic overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate manufacturing. With three prized invention patents and a remarkable portfolio of over 100 utility model patents, we set the benchmark for innovation.
Shanghai Dazhang is a beacon of quality and trust, having received an array of prestigious certifications and accolades, including the ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 18001 Occupational Health and Safety Management System certifications, the esteemed EU's CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
We are devoted to delivering exceptional user experiences alongside cost-effective and highly efficient design solutions that redefine expectations!








Q1. Are you a manufacturer or a trader?
We proudly stand as a seasoned manufacturer nestled in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our extensive factory spans an impressive area exceeding 570,000m
2 and efficiently crafts a remarkable 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, our delivery window ranges from 15 to 30 working days post-deposit. However, for larger equipment orders or those with unique customer specifications, delivery timelines may be extended to accommodate special needs.
Q4. What are the payment terms?
We generally require payment via T/T. A deposit is needed to commence production after order confirmation, followed by the balance payment post-inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal use, complemented by lifelong online support. Please note, the warranty excludes wearing parts and issues arising from incorrect operation by personnel.
Q6. What's the after sale service of your company?
We offer comprehensive after-sales service, starting with a foundation drawing for client installations. Additionally, we provide detailed installation videos and online guidance. Should clients require on-site assistance, we can arrange for our skilled workers to meet your particular needs.
Q7. Can your company provide wearing parts?
Yes, we specialize in producing high-quality wearing parts for our clients. If your equipment is sourced elsewhere, kindly furnish us with detailed drawings of the needed parts for production.