


The Dazhang high pressure program-controlled membrane filter press proudly showcases cutting-edge TPE diaphragm technology, celebrated for its extraordinary durability and superior performance. This avant-garde system promises an extended service life and showcases remarkable membrane flexibility. It excels in resisting strong acids and alkalis, making it the ideal choice for a wide array of industries. The ingenious flexible pressing mechanism accommodates both air and water pressure, with the latter achieving an impressive range of 0.8-4.0 MPa.
Step into a new realm of innovation with our variable filter chamber technology. This pivotal advancement in solid-liquid separation serves a multitude of sectors such as petrochemical, mining, metallurgy, food and medicine, coal washing, paper making, pigment dyes, new energy lithium batteries, photovoltaics, and fly ash desalination. This cutting-edge technology not only dramatically boosts production efficiency but also significantly reduces the moisture content of filter cakes. Our systems are versatile, offering a spectrum of pressure options—from traditional diaphragm pressing at 0.8-1.6 MPa to ultra-high pressure diaphragm pressing. The system supports various pressure levels of 2.0-4.0 MPa, perfectly tailored to meet diverse operational needs.
Unleash the power of high-pressure dewatering technology in municipal domestic sludge dewatering processes. Our solution effectively diminishes the moisture content of filter cakes to industry-leading standards, fully compliant with landfill and incineration criteria. The moisture content ranges between 35%-60% for municipal sludge, marking a groundbreaking advancement in sludge reduction. This remarkable innovation surpasses traditional dewatering equipment in both efficiency and performance.
Discover the pinnacle of efficiency with our revolutionary dehydration system, crafted for smooth, automated operation. Take productivity to the next level with optional enhancements, including a filter cake auxiliary discharge system, an online filter cloth flushing system, and cutting-edge automatic valve instrumentation. Each element is meticulously designed to achieve a truly unmanned operation, heralding the future of industrial 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 an impressive span of twenty-one illustrious years, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has proudly held its distinguished position at the forefront of the filter press and solid-liquid separation industry. As venerated pioneers, we are the guiding force behind the drafting of industry standards for filter presses and plates. Our products consistently secure a prestigious spot among the top three in both production and sales volumes across China. Our vast manufacturing domain stretches across an astounding 570,000 square meters, housing over 1,000 dedicated staff members who work tirelessly with a relentless commitment to excellence.
We are the embodiment of smart manufacturing and a comprehensive service provider, excelling in the crafting of state-of-the-art filter presses and pioneering sludge dewatering equipment.
Our company proudly operates three strategic production bases, alongside eight domestic and two international offices, further complemented by two overseas subsidiaries. Our esteemed Sino-German joint venture marks our excellence in producing high-end filter plates. With a robust portfolio that includes three invention patents and more than 100 utility model patents, innovation is the cornerstone of our legacy.
Our unwavering commitment to excellence is substantiated by a multitude of prestigious certifications and honors. We are proud recipients of the ISO 9001 Quality Management System certification, the ISO 14001 Environmental Management System certification, and the ISO 18001 Occupational Health and Safety Management System certification. Additionally, our products adhere to the rigorous standards of the EU's CE certification and are fortified by insurance from PICC, the People's Insurance Company of China, offering unparalleled peace of mind.
Our mission is to deliver unmatched user experiences and craft design solutions that are both cost-effective and efficient, thereby amplifying the value we bring to our esteemed clients.








Q1. Are you a manufacturer or a trader?
We are a seasoned and esteemed manufacturer, situated in the vibrant and dynamic city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory proudly extends over 570,000m
2 and is equipped with an impressive production capacity, proficiently manufacturing 9,500 machines each year.
Q3. How long is the delivery time for bulk order?
Our standard delivery timeline is typically 15-30 working days post-deposit. However, for larger equipment or custom specifications, the delivery period may be extended to meet special requirements.
Q4. What are the payment terms?
Our standard payment terms are facilitated through T/T, with an initial deposit required prior to production commencement upon order confirmation, followed by the balance payment after inspection.
Q5. How long is the product warranty period?
Our products are safeguarded with a one-year warranty under normal usage, complemented by lifelong online service. It is important to note that wearing parts and issues resulting from improper operation are not covered.
Q6. What's the after sale service of your company?
We offer a comprehensive array of after-sales services, including foundation drawings for seamless installation, instructional videos, and online guidance. Should on-site assistance be needed, our skilled workers are available to be dispatched at your request.
Q7. Can your company provide wearing parts?
Certainly, we specialize in the production of wearing parts for our esteemed clientele. For equipment not manufactured by us, please provide the detailed drawings of the required wearing parts for customization.