


Discover the unparalleled Dazhang high pressure program controlled membrane filter press, a marvel of modern engineering that integrates advanced TPE diaphragm technology. This leading-edge innovation is lauded for its extraordinary durability and extended service life. The system boasts exceptional membrane flexibility and is crafted to withstand the harshest of environments, enduring strong acids and alkalis with ease. Perfectly suited for a wide array of industries, this masterpiece of engineering features a versatile pressing mechanism capable of utilizing both air and water pressure, with water pressure reaching a remarkable range of 0.8-4.0 MPa.
Welcome the future with our revolutionary variable filter chamber technology, a pivotal innovation in the realm of solid-liquid separation. This technology is indispensable across multiple sectors, including petrochemicals, mining, metallurgy, and more. It is a transformative force in the production processes of food and medicine, the refinement of coal, and the manufacture of paper, pigments, dyes, and new energy lithium batteries. Our technology enhances production efficiency dramatically while reducing the moisture content of filter cakes. We offer an impressive range of pressure options- from the robust conventional diaphragm pressing at 0.8-1.6 Mpa to cutting-edge ultra-high pressure diaphragm pressing, accommodating pressure levels of 2.0-4.0 Mpa to seamlessly align with diverse operational requirements.
Unleash the power of high-pressure dewatering technology in the realm of municipal domestic sludge dewatering processes. Our pioneering solution is engineered to achieve industry-leading moisture content levels, crucial for meeting stringent landfill and incineration standards. The resultant filter cakes boast moisture content ranging from 35%-60% for municipal sludge, marking a significant leap forward in sludge reduction technology. This advancement transcends the limitations of traditional dewatering equipment, setting new benchmarks for efficiency and performance.
Step into the future of operational excellence with our groundbreaking dehydration system, masterfully crafted for effortless automated operation. Elevate your productivity with an array of optional features, including an auxiliary discharge system for filter cakes, an online filter cloth flushing system, and cutting-edge automatic valve instrumentation. These enhancements are designed to realize a truly unmanned operation, revolutionizing efficiency and maximizing workflow.
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 stood as a beacon of innovation and leadership in the filter press and solid-liquid separation arena. Proudly setting the standards nationwide, we are one of the top three frontrunners in production and sales in China. Our vast industrial expanse covers an awe-inspiring 570,000 square meters, where a dedicated team of over 1,000 professionals diligently works towards achieving perfection.
As a visionary manufacturer and all-encompassing service provider, we specialize in the latest advancements in filter presses and cutting-edge sludge dewatering technology.
Our esteemed company boasts three strategically positioned production facilities, eight domestic offices, and two international outposts, supplemented by two overseas subsidiaries. We are particularly proud of our Sino-German collaboration in high-end filter plate production. With three invention patents and a treasure trove of over 100 utility model patents, innovation is our hallmark.
Numerous illustrious certifications and accolades underscore our unwavering commitment to quality. We have proudly attained ISO 9001 for Quality Management, ISO 14001 for Environmental Management, and ISO 18001 for Occupational Health and Safety. Our products not only comply with the rigorous EU CE certification but are also safeguarded by the PICC, granting you complete peace of mind.
Our mission is to deliver unmatched user experiences and ingenious design solutions that are both cost-efficient and highly effective, ensuring we amplify the value we bring to our esteemed clients!








Q1. Are you a manufacturer or a trader?
We are a distinguished manufacturer, proudly based in the bustling metropolis of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory stretches over an impressive 570,000m
2 and boasts a remarkable production capacity, turning out 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Our typical delivery window ranges from 15 to 30 working days post-deposit. For larger equipment or bespoke orders, delivery timelines may be extended to accommodate your specific requirements.
Q4. What are the payment terms?
Our standard payment arrangement is via T/T, requiring an initial deposit before production commencement upon order confirmation, followed by a balance post-inspection.
Q5. How long is the product warranty period?
Our products are secured with a one-year warranty for standard usage, further complemented by lifelong online support services. Please be aware that wearing parts and issues resulting from improper handling are not included in the warranty.
Q6. What's the after sale service of your company?
We offer thorough after-sale support, providing foundational installation drawings, instructional videos, and online guidance. Should on-site assistance be necessary, our expert team can be dispatched as per your request.
Q7. Can your company provide wearing parts?
Yes, we gladly produce wearing parts for our valued customers. For equipment not manufactured by us, please provide detailed drawings of the required wearing parts for us to assist you.