


Experience the seamless performance of our Once Open Filter Press, ingeniously designed with an extended cylinder and robust beam structure. Utilizing a stainless steel chain (or slide) for effortless plate linkage, this advanced filter press ensures synchronized opening of all plates upon withdrawal. Enhanced with a state-of-the-art vibration device, it guarantees swift unloading and automatic discharge of materials, setting new benchmarks in efficiency and convenience.
Benefits of our product include unparalleled efficiency and significant labor savings, ensuring optimal performance and cost-effectiveness.
Please note, this model is ideally suited for operations involving a limited number of filter plates, with a recommendation of no more than 30 plates for optimal performance.
Mode |
Filter area(m2) |
Plate size(mm) |
Cake thickness(mm) |
Filter
chamber volume(L) |
Plate Qty(pcs) |
Filtration pressure(Mpa) |
Motor Power(Kw) |
Weiaht(Kg) |
Dlimsaneione
LxWxH(mm) |
Foundation Size(mm) |
L |
B |
D |
H |
XY4/450-30U |
4 |
500×500 |
30 |
60 |
9 |
0.6 |
2.2 |
890 |
2230×800×900 |
1550 |
390 |
700 |
560 |
XY5/450-30U |
5 |
79 |
12 |
920 |
2630x800 x.900 |
1800 |
XY6/630-30U |
6 |
700×700 |
95 |
7 |
0.6 |
2.2 |
1450 |
2200×1050×1150 |
1490 |
560 |
1110 |
700 |
XY8/630-30U |
8 |
119 |
9 |
1500 |
2400×1050×1150 |
1640 |
XY10/630-30U |
10 |
154 |
12 |
1610 |
2540×1050×1150 |
1890 |
XY12/630-30U |
12 |
178 |
14 |
1720 |
3130×1050×1150 |
2140 |
XY15/630-30U |
15 |
226 |
18 |
1880 |
3550×1050×1150 |
2490 |
XY10/870-30U |
10 |
870×870 |
154 |
7 |
0.6 |
2.2 |
1940 |
2720×1270×1300 |
1580 |
700 |
1380 |
785 |
XY20/870-30U |
20 |
307 |
15 |
2230 |
3500×1270×1300 |
2430 |
XY18/1000-30U |
18 |
1000×1000 |
270 |
10 |
0.6 |
4 |
1850 |
3470×1400×1400 |
2320 |
780 |
1480 |
1000 |
XY35/1000-30U |
35 |
525 |
20 |
2540 |
5470×1400×1400 |
3620 |
XY28/1250-30U |
28 |
1250×1250 |
420 |
10 |
0.6 |
4 |
3600 |
4110×1770×1600 |
3220 |
850 |
1740 |
1250 |
XY55/1250-30U |
55 |
833 |
20 |
5000 |
6510×1770×1600 |
4320 |


For over two decades, Shanghai Dazhang Environment Protection Equipment Co., Ltd. has been at the forefront of the filter press and solid-liquid separation industries. As primary architects of industry standards for filter presses and plates, we proudly rank among the top three in production and sales across China. Our expansive manufacturing facilities span more than 570,000 square meters, employing a dedicated workforce of over 1,000 experts.
We stand as a dynamic manufacturer and all-encompassing service provider, specializing in cutting-edge filter presses and advanced sludge dewatering equipment.
Our company boasts three production bases, eight domestic offices, two international branches, two overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. We are innovators with three invention patents and over 100 utility model patents under our belt.
Our excellence is endorsed by a multitude of certifications, including ISO 9001 Quality Management System, ISO 14001 Environmental Management, ISO 18001 Occupational Health and Safety Management, as well as the EU's esteemed CE certification. Additionally, we are backed by insurance from PICC, the People's Insurance Company of China.
Our commitment is to deliver superior user experiences through innovative, cost-effective, and efficient design solutions tailored to your needs.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer, proudly based in Shanghai, delivering excellence in design and production.
Q2. How about the production capacity of your company?
Our state-of-the-art factory encompasses an expansive area exceeding 570,000 square meters
2 and is capable of producing an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeline spans 15-30 working days post-deposit. However, for large-scale equipment or bespoke customer specifications, timelines may be adjusted accordingly.
Q4. What are the payment terms?
Our standard payment terms operate via T/T. We require an initial deposit to commence production upon order confirmation, followed by a balance payment post-inspection.
Q5. How long is the product warranty period?
We offer a comprehensive one-year warranty for standard use with lifelong online support. Please note, wearing parts and issues arising from incorrect operation are not covered.
Q6. What's the after-sale service of your company?
We provide detailed foundation drawings to facilitate your installation process, complemented by comprehensive video tutorials and online guidance. Should you require on-site assistance, our team can accommodate your needs as necessary.
Q7. Can your company provide wearing parts?
Yes, we manufacture wearing parts for our equipment. If your equipment was produced elsewhere, we request you to supply the appropriate part diagrams for accurate production.