
How does the self cleaning process work?
Automatic self cleaning filter is a type of water filter which utilizes system pressure to clean itself. A rigid cylinder screen strains particles from the water source, trapping debris on the inside. This layer of buildup causes differential pressure across the inlet and outlet. A controller monitors the filter and opens a flush valve when it senses adequate differential pressure. This creates rapid flow through the internal cleaning apparatus, which vacuums buildup from the screen and expels it.
Product Parameterss

Applicated in below industry:
Food and drink: juice, honey, syrup filtration.
 Water treatment: urban water supply, industrial water filtration; Power plant condensate filtration.
 Metal processing: cutting fluid and coolant filtration; Lubricating oil filtration.
 Fine chemicals: catalyst, fermentation liquid filtration; Filtration of cosmetics raw materials and finished products.graphene
 Petrochemical industry: aviation kerosene filtration; Oil and fuel filtration.
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FAQ
Q1 : Where is your factory located?
 A1 : Qingdao crowns machinery co.,ltd is located at Huangdao district ,Qingdao city, China 
 
 Q2 : Are you an integrated supplier for industrial filter machine ?
 A2 : Yes, we can provide the complete solution line to customer according to customer’s requirement.
 
 Q3 : How about the quality control in your factory?
 A3 :  Qingdao crowns has the SOP (Standard Operation Procedure) and all the production step must follow 
up this SOP. Every machine needs at least automatic running over 72 hours and must be inspected carefully
before shipment. 
 
 Q4 : Will you offer the pre-sales service?
 A4 : Yes, we have an experienced pre-sales team to support customers not only including machine, technology 
also water electrical,machine layout in factory, etc.
 
 Q5 : What about the after-service? Will you send your engineer to my country to help commission and install the 
machine?
 A5 : Surely, we have many experience technical engineers for oversea service, they would help you install machine 
and support training to workers also. 
 
 Q6 : What is the delivery time of the machine?
 A6 : Actually, the delivery time of the machines is depended on the machine options. Normally, the delivery 
time of standard machine could be within 10-30 days 
 
 Q7 : What is the warranty of the machine ?
 A7 : The whole machine’s warranty period is 12 months and key parts will be depended.
 
 Q8 : Do you provide any spare parts with machine?
 A8 : Yes, CROWNS will provide one set standard spare parts to customer according to different machines