


Introducing the Dazhang high-pressure program-controlled membrane filter press, a marvel of modern engineering that incorporates cutting-edge TPE diaphragm technology. This innovation ensures an extended service life, remarkable membrane shrinkage, and exceptional resistance to both strong acids and alkalis, making it ideal for diverse industrial applications. With versatile pressing options, choose between air and water pressure, with water pressure ranging from an impressive 0.8 to 4.0 MPa.
Discover the transformative power of variable filter chamber technology, a revolutionary advancement in solid-liquid separation. Widely embraced across industries such as petrochemical, mining, metallurgy, food processing, pharmaceuticals, coal washing, papermaking, pigment dyes, and the burgeoning sectors of new energy lithium batteries and photovoltaics, this technology significantly boosts production efficiency while minimizing the moisture content of filter cakes. Tailor the pressure level to your needs with options ranging from standard diaphragm pressing at 0.8-1.6 MPa to ultra-high pressure pressing at 2.0-4.0 MPa, perfectly catering to diverse operational demands.
Experience the groundbreaking application of high-pressure dewatering technology specifically designed for the municipal domestic sludge dewatering industry. This cutting-edge solution reduces the moisture content of filter cakes to unparalleled lows, meeting the rigorous standards required for landfill and incineration, with municipal sludge moisture content reduced to 35%-60%. Compared to traditional dewatering methods, this technology ushers in a new era of efficient sludge reduction treatment.
Embrace the future of efficiency with our state-of-the-art dehydration system, which offers seamless automated operation. Enhance your operations with optional features like a filter cake auxiliary discharge system, an online filter cloth flushing system, and automated valve instrumentation, all working harmoniously to enable truly unmanned operation and elevate your productivity to new heights.
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 over two decades, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has passionately committed itself to the innovative realm of filter presses and the transformative solid-liquid separation industry. As pioneering authors of the industry's benchmarks for filter presses and filter plates, our products proudly stand among the top three titans in production and sales across China. Our expansive manufacturing facilities, sprawling over 570,000 square meters, are a testament to our scale and capability, supported by a dynamic team of over 1,000 skilled professionals.
We are an intelligent manufacturer and a holistic service provider, specializing in premium filter presses and advanced sludge dewatering equipment.
Shanghai Dazhang boasts three state-of-the-art production bases, eight strategic domestic offices, two international offices, two subsidiaries abroad, and a prestigious Sino-German joint venture focused on the production of high-end filter plates. Our innovation is protected by three invention patents and an impressive portfolio of over 100 utility model patents.
Our commitment to excellence is reflected in our array of certifications and accolades, including the esteemed ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 18001 Occupational Health and Safety Management System certifications. We are also proud recipients of the EU's distinguished CE certification and are backed by the reputable insurance coverage of PICC, the People's Insurance Company of China.
We are dedicated to delivering superior user experiences and offering cutting-edge, cost-effective, and highly efficient design solutions to our valued customers!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the vibrant city of Shanghai, bringing years of industry expertise.
Q2. How about the production capacity of your company?
Our monumental factory spans over an impressive 570,000 square meters,
2 enabling us to produce a formidable 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeframe ranges from 15 to 30 working days post-deposit. However, for larger equipment or custom specifications, delivery may extend accordingly to meet exceptional requirements.
Q4. What are the payment terms?
Our standard payment method is via T/T. A deposit is required before production commences after order confirmation, followed by the balance payment upon inspection completion.
Q5. How long is the product warranty period?
We offer a one-year warranty for regular use, complemented by lifetime online service. Please note, wearing parts and damage caused by improper handling are not covered.
Q6. What's the after sale service of your company?
We provide foundation drawings to assist clients with installation. Additionally, we offer installation videos and online support. If on-site assistance is required, arrangements can be made to accommodate your specific needs.
Q7. Can your company provide wearing parts?
We produce wearing parts for our valued clients. For equipment not manufactured by us, kindly supply the wearing parts drawing for production.