


Shanghai Dazhang Environment Protection Equipment Co., Ltd. is proud to introduce the Durable Diaphragm Filter Press with Automatic Hydraulic Plate Functionality. This high-pressure marvel harnesses the power of advanced TPE diaphragm technology, celebrated for its unparalleled durability and flexibility. Crafted for longevity, this filter press stands resilient against harsh acids and alkalis, making it a versatile asset across diverse industrial landscapes. Its innovative pressing mechanism offers the choice of air or water pressure, with water pressure reaching between 0.8-4.0 MPa, ensuring adaptability to a wide array of operational requirements.
Step into the future of solid-liquid separation with Dazhang's cutting-edge variable filter chamber technology. This essential innovation is transforming industries such as petrochemical, mining, metallurgy, food, medicine, coal washing, paper making, pigment dyes, new energy lithium batteries, photovoltaics, and fly ash desalination. By significantly elevating production efficiency and reducing filter cake moisture, our systems redefine operational excellence. Choose from a spectrum of pressure options, ranging from standard diaphragm pressing at 0.8-1.6 Mpa to ultra-high pressure levels of 2.0-4.0 Mpa, perfectly tailored to meet your industry-specific requirements.
Revolutionize municipal domestic sludge management with our high-pressure dewatering technology. Dazhang's innovative solution excels in minimizing the filter cake's moisture content, achieving industry-leading standards for both landfill and incineration, with a remarkable moisture range of 35%-60% for municipal sludge. This technological leap forward not only enhances sludge reduction but also outperforms traditional dewatering equipment in both efficiency and effectiveness.
Discover the pinnacle of operational efficiency with Dazhang's dehydration system, engineered for effortless automated functionality. Propel productivity to new heights with optional advancements like our filter cake auxiliary discharge system, an online filter cloth flushing system, and sophisticated automatic valve instrumentation. These features collectively work towards realizing a seamless, truly unmanned operation, setting a new standard in industrial automation.
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 over two decades, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has propelled itself to the pinnacle of the filter press and solid-liquid separation industry. As pioneering leaders, we have been instrumental in crafting the industry's standards for filter presses and plates. Our prestigious products not only stand among the top three in production and sales within China, but they also set a benchmark for excellence. Our expansive manufacturing facilities cover an extraordinary 570,000 square meters, where over 1,000 dedicated professionals strive relentlessly to maintain unparalleled standards of excellence.
Positioned as a forward-thinking smart manufacturer and an all-encompassing service provider, we excel in crafting state-of-the-art filter presses and groundbreaking sludge dewatering solutions.
Our company is fortified by a robust infrastructure comprising three strategic production bases, augmented by eight domestic offices, two global offices, and two overseas subsidiaries. We take pride in our Sino-German joint venture dedicated to producing high-end filter plates. With a portfolio of three invention patents and over 100 utility model patents, we are driven by innovation at our core.
Our unwavering commitment to excellence is substantiated by a suite of prestigious certifications and accolades. Proud holders of the ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 18001 Occupational Health and Safety Management System certifications, we assure quality. Our products meet the stringent requisites of the EU's CE certification and are safeguarded by insurance from PICC, the People's Insurance Company of China, providing our clients with peace of mind.
Our mission is clear and powerful: to deliver unmatched user experiences while providing design solutions that are both cost-effective and efficient, thereby amplifying the value we deliver to our esteemed clients!








Q1. Are you a manufacturer or a trader?
We proudly stand as a seasoned manufacturer, operating from the vibrant metropolis of Shanghai.
Q2. How about the production capacity of your company?
Our sprawling factory, extending over 570,000m
2 is equipped with an impressive production capability, allowing us to manufacture 9,500 sophisticated machines each year.
Q3. How long is the delivery time for bulk order?
Typically, the delivery timeframe is 15-30 working days post the deposit. For larger equipment or bespoke specifications, the delivery schedule may be adjusted to cater to specific requirements.
Q4. What are the payment terms?
Our standard payment terms involve a T/T transaction, requiring an initial deposit before production commences upon order confirmation, followed by a balance payment after a thorough post-inspection.
Q5. How long is the product warranty period?
Our products are accompanied by a comprehensive one-year warranty for standard usage, supplemented by lifelong online service. Please be aware that wearing parts and issues arising from improper operation remain outside the warranty scope.
Q6. What's the after sale service of your company?
We offer a holistic suite of after-sales support, including foundational drawings for installation, instructional videos, and expert online guidance. Should you require on-site assistance, our skilled professionals are available to be dispatched on request, ensuring your needs are met.
Q7. Can your company provide wearing parts?
Indeed, we specialize in producing wearing parts for our treasured clients. For equipment not crafted by us, kindly provide detailed drawings of the necessary wearing parts for customized solutions.