


Our company production of bag filter is a new type of filtration equipment system, internal with stainless steel metal sintering filter net filter, filter medium by transporting pumped into the entrance, after internal filtration consumables (0.5-200 ) on top from exports, after impurities (such as filter aid blocked inside the filter pocket, can continue to use after the replacement of filter bag. Depending on the treatment, specifications range from a single bag to 24 bags. Materials: carbon steel, 304 stainless steel, 316L stainless steel. Material of filter bag: polypropylene filter bag, PP, polyester filter bag, PE, nylon filter bag, PA, stainless steel sintered mesh filter bag
The main applicable industries for the product currently include:
- Automotive Industry
- Paint Industry
- Water Treatment Industry
- Pharmaceutical Industry
- Food and Beverage Industry
- Petrochemical Industry
- Fine Chemical Industry
- Electronics Industry
Mode] |
Bag QTY |
Filtering
Area(m) |
Max Flow(t/h) |
Caliber(mm) |
Working
Dressure(MPa) |
Cylinder
diameter(middle) |
Totsl
Height(mm) |
Housing
Height(mm) |
Center Distance of
Foundation Bolts(mm) |
DL-2P2S |
2 |
1 |
70 |
DN50 |
0.5 |
456 |
1572 |
1144 |
616 |
DL-3P2S |
3 |
1.5 |
105 |
DN80 |
508 |
1592 |
1190 |
668 |
DL-4P2S |
4 |
2 |
140 |
DN100 |
558 |
1632 |
1244 |
718 |
DL-5P2S |
5 |
2.5 |
175 |
DN150 |
608 |
1788 |
1254 |
768 |
DL-6P2S |
6 |
3 |
210 |
DN150 |
658 |
1854 |
1300 |
818 |
DL-7P2S |
7 |
3.5 |
245 |
DH150 |
710 |
1875 |
1340 |
870 |
DL-8P2S |
8 |
4 |
280 |
DH150 |
760 |
1922 |
1404 |
920 |
DL-10P2S |
10 |
5 |
350 |
DN200 |
910 |
2004 |
1430 |
1070 |
DL-12P2S |
12 |
6 |
420 |
DN200 |
962 |
2064 |
1460 |
1132 |
DI-14P2S |
14 |
7 |
490 |
DN200 |
1012 |
2124 |
1490 |
1212 |
DL-16P2S |
16 |
8 |
560 |
DH250 |
1112 |
2146 |
1512 |
1312 |
DL-18P2S |
18 |
9 |
630 |
DH250 |
1162 |
2225 |
1595 |
1360 |
DL-20P2S |
20 |
10 |
700 |
DH250 |
1212 |
2280 |
1640 |
1412 |
DL-22P2S |
22 |
11 |
770 |
DI250 |
1366 |
2320 |
1694 |
1516 |
DL-24P2S |
24 |
12 |
840 |
DN300 |
1416 |
2358 |
1748 |
1616 |


For twenty-one years, Shanghai Dazhang have been dedicated to the field of filter presses and solid-liquid separation industries. As the main drafters of the industry standards for filter presses and filter plates, our products rank in the top three in terms of production and sales volume in China. Our manufacturing facilities cover an area of over 570,000 square meters, and we employ more than 1,000 staff members.
We are a smart manufacturer and comprehensive service provider of filter presses and sludge dewatering equip-ment.
The company currently has three production bases, eight domestic offices, two international offices, two overseas subsidiaries, and one Sino-German joint venture for high-end filter plate manufacturing. We hold three invention pat-ents and over 100 utility model patents.
We have obtained numerous certifications and honors, including ISO 9001 Quality Management System certification,ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Manage-ment System certification, the EU's CE certification, and insurance coverage from PICC, the People's Insurance Company of China.
We strive to offer users beter experiences and more cost-effective and efficient design solutions!








Q1. Are you a manufacturer or a trader?
We're an experienced manufacturer located in Shanghai.
Q2. How about the production capacity of your company?
Our factory covers area over 570,000m
2 and produces machines 9500 sets per year.
Q3. How long is the delivery time for bulk order?
Normally 15-30 working days after deposit. But when the equipment is big and the customers have spe-cial requirement on the equipment, the delivery could be extended.
Q4. What are the payment terms?
Normally by T/T. Deposit first before the production after order is confirmed, and then balance payment after inspection.
Q5. How long is the product warranty period?
One year for normal use, and lifelong on-line service. Wearing parts and problem coursed by worker's wrong operation are not included.
Q6. What's the after sale service of your company?
We will provide foundation drawing to the clients for installation. Besides, we will provide installation video and online guidance. If client need our workers to the site, can be agreed according to your needs.
Q7. Can your company provide wearing parts?
We can produce wearing parts for our clients. If your equipment are not manufactured by our company,please provide us the wearing parts drawing.