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The use of sand for water filtration can be traced back hundreds of years when early settlers discovered that passing water through beds of sand produced clearer water. However, it wasn't until the early 20th century that systematic sand filtration began emerging.
A major development was in the 1920s when engineers started experimenting with using crushed quartz sand instead of natural sands for its hardness, durability and high purity. Quartz is nearly inert and resistant to weathering, making it ideal for consistent long-term performance. This established the widespread use of engineered quartz sand in filtration.
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In the following decades, significant research was conducted to determine optimal quartz properties. It was found that high silica content above 95%, angular and spherical shapes, and narrow granule size distributions between 0.35-1mm delivered maximized treatment.
These findings led to the standardization of filter sand material specifications. Well-rounded quartz grains with low solubility in the recommended size range are now routinely used. Their hardness and porosity allows particles to be mechanically trapped without clogging.
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Additional advancements included requirements for filter sand to be washed, dried and sterile when used for potable water. This ensured leaching and bacterial contamination risks were minimized.
Today, quartz remains the premier material for sand filters due to its consistent availability, mechanical strength and proven water treatment effectiveness supported by extensive historical use. Proper quartz grade selection ensures filters can optimize removal of solids and turbidity from water sources.
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|
Model |
Sc02-2700 |
Sc02-2800 |
Sc02-3000 |
Sc02-3200 |
Sc02-3400 |
Sc02-3500 |
|
Spec. |
Φ2700×3750 |
Φ2800×3800 |
Φ3000×3850 |
Φ3200×3950 |
Φ3400×4100 |
Φ3500×4300 |
|
Flowing quantity |
60~72m3/h |
68~85m3/h |
75~95m3/h |
90~110m3/h |
100~125m3/h |
110~140m3/h |
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Drinking Water
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Industrial Water Processing
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01
Please feel assured about installation process
our products are meticulously designed and easy to install. No matter what problem you encounter while installing device, feel free to contact us. We are pleased to offer phone guideline and site instruction is also available.
02
Meet your stringent water treatment demands
Hangzhou Xinkai Water Treatment Equipment Co., Ltd. is a water treatment equipment company that integrates design, production, installation, and consulting services.
03
After sale support
That is one of what set our company from competitors, we are glad to help you 24-7.
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Meet your stringent water treatment demands
Hangzhou Xinkai Water Treatment Equipment Co., Ltd. is a water treatment equipment company that integrates design, production, installation, and consulting services. Its production base is located in the Changxing National Green Manufacturing Industrial Park, adjacent to the Hangyi Expressway, with convenient transportation.
With the development of the entire national economy, our factory has also continued to grow. It now covers an area of more than 3000 square meters and is equipped with automatic submerged arc welding machines, multiple cranes, sandblasting machines, punching machines, shearing machines, turntables, forklifts, rocker drills, sawing machines and a series of other equipment to meet the production of various standardized products.
active members
years experience
events & challenges
Professional designer
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Experienced a long period of study stage, combining theoretical knowledge and getting to know the industry.
Established Hangzhou Xinkay water treatment Company. Then major business was to design water filter and contact OEM factory to produce it
A production factory has been registered and established in Fuyang, Hangzhou, with a standard steel frame factory area of approximately 2000 square meters.
Purchase of standard steel structure new factory building with an area of nearly 3000 square meters in Changxing National Development Zone, Zhejiang Province. Purchase of new processing equipment, industrial upgrading, and standardized production. The company has successively obtained Changxing Science and Technology Small and Medium Enterprises and Zhejiang Province Science and Technology Small and Medium Enterprises. The company has entered a formal and systematic development stage
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http://www.china-watertreatment.com/