


The DZWS diatomaceous earth filter produced by our company is the filtering equipment for food and beverage at home and abroad. Diatomaceous earth as filter aid, suitable for all kinds of liquor, food, beverage liquid filtration, using new technology, new technology to manufacture a new DZLS vertical diatomaceous earth filter, stainless steel filter machine has been used in yellow rice wine, brewing and bonding strong liquid drinks, and the use of remarkable effect. The filter has the advantages of large filtration area, wide turbidity distribution and long flow velocity. DZLS series stainless steel filter is characterized by compact structure, simple operation, small size, light weight, high efficiency, stable performance, easy to move, low filtration cost and little wine loss. The contact surface between the machine and liquid is made of 1C18Ni9Ti stainless steel. In the liquid beverage and food industry production, can fully meet the national health standards, best-selling products throughout the country, well received by users, and users are invited to put forward valuable advice, so as to improve in time.
Mainly used in chemical, pharmaceutical, biological, beverage, brewing, environmental protection, metallurgy, oil, sewage treatment and other industries.
Model |
Dimensions(mm) |
Filter Area(m2) |
Filter Plate QTY |
Valve Diameter |
(t/h)Theoretical Flow
(On base of alcohol) |
(MPa)
Working Pressure |
Pump Model |
DZWK220 |
900×300×400 |
1 |
15 |
DN32 |
1-2 |
≤0.3 |
YL3-25 |
DZWK250 |
1100×350×450 |
2 |
20 |
2-3 |
YL3-25 |
DZWK330- III |
1600× 600×850 |
2.5 |
15 |
2-4 |
YL5-25 |
DZWK330-II |
1700×600×750 |
3.4 |
20 |
3-5 |
YL5-25 |
DZWK400-I |
1840×680×800 |
5.1 |
20 |
5-8 |
YL10-25 |
DZWK400-A |
2350×680×800 |
9.8 |
38 |
9-12 |
YL12-25 |
DZWK500-B |
1950×750×850 |
8.9 |
20 |
8-10 |
YL10-25 |
DZWK500-A |
2450×750×850 |
15.9 |
38 |
13-15 |
YL16-25 |
DZLS-330(Vertical) |
550×540×1250 |
3.4 |
19 |
3-5 |
YL10-25 |
DZLS-400(Vertical) |
920×560×1550 |
8.9 |
39 |
8-10 |
CHL8-40 |


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.