


Experience the pinnacle of innovation with the Dazhang high pressure program controlled membrane filter press, expertly designed with advanced TPE diaphragm technology for unrivaled durability. This sophisticated system not only ensures a prolonged service life but also boasts exceptional membrane flexibility. Crafted to withstand harsh environments, it offers superior resistance to strong acids and alkalis, making it the perfect choice for a wide spectrum of industries. The adaptable pressing mechanism offers versatility, allowing the use of air or water pressure, with water pressure capabilities reaching an impressive range of 0.8-4.0 MPa.
Discover the groundbreaking variable filter chamber technology, a key player in revolutionizing solid-liquid separation across an extensive array 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 elevates production efficiency but also minimizes the moisture content in filter cakes. Our advanced systems provide a spectrum of pressure options, from standard diaphragm pressing at 0.8-1.6 Mpa to ultra-high pressure diaphragm pressing, enabling different pressure levels of 2.0-4.0 Mpa to seamlessly accommodate a variety of operational requirements.
Leverage the power of high-pressure dewatering technology in municipal domestic sludge dewatering processes with our state-of-the-art solution, effectively reducing the filter cake's moisture content to industry-leading benchmarks. It meets the stringent standards for landfill and incineration with moisture content ranging from 35%-60% for municipal sludge. This represents a remarkable leap in sludge reduction, outperforming traditional dewatering equipment in both efficiency and performance.
Step into the future of operational excellence with our dehydration system, meticulously engineered for smooth and fully automated functionality. Boost productivity even further with optional enhancements such as a filter cake auxiliary discharge system, an online filter cloth flushing system, and cutting-edge automatic valve instrumentation. These features are designed to achieve a truly unmanned operation, setting new standards in 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 an impressive twenty-one years, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has been at the pinnacle of innovation in the filter press and solid-liquid separation industry. As pioneering leaders drafting the industry's standards for filter presses and plates, our offerings consistently rank among the top three in both production and sales volume within China. Our sprawling manufacturing facilities cover a staggering 570,000 square meters, where a team of over 1,000 dedicated professionals work with unyielding commitment to deliver excellence.
We proudly stand as a smart manufacturer and all-encompassing service provider, specializing in state-of-the-art filter presses and revolutionary sludge dewatering equipment, setting new benchmarks in quality and performance.
Our company is strategically positioned with three production bases, eight domestic offices, two international branches, plus two overseas subsidiaries. We take pride in our Sino-German joint venture, focusing on the production of premium filter plates. With an impressive portfolio of three invention patents and over 100 utility model patents, innovation is our driving force.
Our unwavering commitment to excellence is recognized by a suite of prestigious certifications and accolades. We hold the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, and ISO 18001 Occupational Health and Safety Management System certification. Furthermore, our products comply with the stringent standards of the EU's CE certification, and are safeguarded by insurance from PICC, the People's Insurance Company of China, ensuring unparalleled peace of mind.
Our mission is to consistently deliver unmatched user experiences and design solutions that are both economically viable and incredibly efficient, thus amplifying the value we bring to our esteemed clients!








Q1. Are you a manufacturer or a trader?
We are a seasoned and accomplished manufacturer, proudly based in the dynamic city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory, which covers over 570,000m
2 boasts an extraordinary production capacity, enabling us to manufacture 9,500 machines annually, thus ensuring quick and efficient fulfillment of your needs.
Q3. How long is the delivery time for bulk order?
Our standard delivery timeframe is typically 15-30 working days after the deposit is received. For larger-scale equipment or custom specifications, the delivery time may be extended to accommodate your unique requirements.
Q4. What are the payment terms?
Our standard payment terms are by T/T, requiring an initial deposit before production commences upon order confirmation, followed by a balance payment post-inspection to ensure complete satisfaction.
Q5. How long is the product warranty period?
Our products are backed by a one-year warranty for normal usage, complemented by lifelong online service support. Please be aware that wearing parts and issues arising from improper operation are not covered under the warranty.
Q6. What's the after sale service of your company?
We offer an extensive suite of after-sales services, including providing foundation drawings for installation, comprehensive instructional videos, and real-time online guidance. If your needs require on-site support, our skilled team can be dispatched at your request to ensure seamless integration and operation.
Q7. Can your company provide wearing parts?
Indeed, we produce wearing parts for our valued clients. For equipment not manufactured by us, please provide the detailed drawings of the required wearing parts so we can fulfill your needs effectively.