


Introducing the pinnacle of filtration technology: The Dazhang High Pressure Program Controlled Membrane Filter Press. This remarkable machine integrates pioneering TPE diaphragm technology, celebrated for its unparalleled durability and adaptability. Offering an extensive operational lifespan, it features membranes of extraordinary flexibility, proficiently withstanding the harshest acids and alkalis. Perfectly suited for a multitude of industrial applications, it boasts a versatile pressing mechanism that can employ either air or water pressure, with water pressure reaching a formidable 0.8-4.0 MPa, ensuring optimal performance in every scenario.
Step into the future of solid-liquid separation with our revolutionary variable filter chamber technology. It stands as a fundamental innovation across various industries 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 dramatically enhances production efficiency while significantly reducing the moisture content of filter cakes. Our systems cater to a spectrum of pressure preferences, offering conventional diaphragm pressing from 0.8-1.6 Mpa and ascending to ultra-high pressure diaphragm pressing, accommodating 2.0-4.0 Mpa to meet specific operational requisites with finesse.
Unlock superior performance in municipal domestic sludge dewatering with our advanced high-pressure dewatering technology. This solution proficiently minimizes the moisture content of filter cakes, reaching industry-leading moisture levels of 35%-60%, seamlessly adhering to the strict standards for landfill and incineration. Representing a monumental leap in sludge reduction, it outperforms traditional dewatering equipment with unmatched efficiency and effectiveness, setting a new standard in the industry.
Transform your productivity with our state-of-the-art dehydration system, crafted for flawless automated operation. Elevate your efficiency with optional enhancements such as the filter cake auxiliary discharge system, a sophisticated online filter cloth flushing system, and cutting-edge automatic valve instrumentation, all engineered to realize a truly hands-free operational environment. Embrace the future of automation and efficiency with our revolutionary system.
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 twenty-one years, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has established itself as a trailblazer in the filter press and solid-liquid separation industry. As prominent innovators crafting the industry's standards for filter presses and plates, our products proudly stand among the top three in both production and sales volume within China. Our expansive manufacturing facilities cover a remarkable 570,000 square meters, where over 1,000 dedicated professionals tirelessly pursue excellence.
We proudly position ourselves as a smart manufacturer and a holistic service provider, mastering the art of crafting state-of-the-art filter presses and pioneering sludge dewatering equipment.
Our company triumphs with three strategic production bases, eight domestic offices, and two international offices, complemented by two overseas subsidiaries. We are also honored to engage in a Sino-German joint venture, producing high-end filter plates. With three invention patents and over 100 utility model patents, our innovation is our proud hallmark.
Our unwavering commitment to excellence is endorsed by numerous prestigious certifications and honors. We proudly hold the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, and ISO 18001 Occupational Health and Safety Management System certification. Our products comply with the rigorous standards of the EU's CE certification and are backed by insurance from PICC, the People's Insurance Company of China, offering peace of mind and assurance.
Our mission is to provide unparalleled user experiences and offer design solutions that are both cost-effective and efficient, significantly amplifying the value we deliver to our clients!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer, proudly based in the dynamic city of Shanghai.
Q2. How about the production capacity of your company?
Our extensive factory spans over 570,000m
2 and boasts an extraordinary production capacity, capable of manufacturing 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeframe is 15-30 working days after the deposit. For larger equipment or custom specifications, delivery time may be lengthened to accommodate special requirements.
Q4. What are the payment terms?
Our standard payment terms are by T/T. We require an initial deposit before production begins once the order is confirmed, followed by a balance payment post-inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for normal usage, complemented by lifelong online service. Please note that wearing parts and issues arising from improper operation are not covered.
Q6. What's the after-sale service of your company?
We provide comprehensive after-sales support, including foundation drawings for installation, instructional videos, and online guidance. If on-site assistance is needed, our skilled workers can be dispatched to fulfill your requirements upon request.
Q7. Can your company provide wearing parts?
Yes, we offer the production of wearing parts for our esteemed clients. For equipment not manufactured by us, kindly provide the detailed drawings of the required wearing parts.