Resin Exchange/Silica Sand/Active Carbon/Sand Filter/Multimedia Water Filter Equipment
Technical innovations of multi-valve filtration systems:
1. Adopt the JKA controller, which is a multi-functional controller specially developed for multi-valve filtration. The device is composed of a specially developed control board and a stager, easy to operate。
2. All-plastic dual-chamber diaphragm valve: High flow rate, low pressure loss; It can be controlled by air and water.
Advantages of multi-valve filtration systems:
1. Suitable for sand filtration, carbon filtration, activated alumina filtration，and other related processes.
2. Adopt Time/pressure differential control. The controller is equipped with a stager. During backwashing, the controller starts the stager according to the preset program, and controls the opening and closing of the internal valves of the system through the stager, thus achieving automatic control of the entire backwashing process.
3. It can realize the water treatment process of multiple devices running and backwashing simultaneously (up to 9 devices can be connected in series).
4. Fully automatic operation, using JKA multi-valve controller.
Recommended operating modes of multi-valve filtration systems:
| Control Mode | Operating Mode | Tank Quantity |
| Single tank operation | Q | 1 |
| Single tank operation with air scouring | Q | 1 |
| One in use, one standby | D | 2 |
| Two tanks run simultaneously and backwash sequentially | E | 2 |
| Multiple tanks run simultaneously and backwash sequentially | E | 3/4/5/6/7/8 |
Filter Media Types
● Sand is the most common filter media. Generally, fine mesh sand is coupled with a course grain support bed to remove suspended solids and turbidity. Graded in various ranges, Pure Aqua sand can be used as filtration medium or under bedding depending on particle size and application.
● Gravel has a highly spherical shape that promotes good flow and even distribution in support beds.
● Calcite media is specially graded calcium carbonate compound for neutralizing acid with consistent dissolving rates for water treatment.
● Manganese Greensand media is treated siliceous material for treating water containing iron, manganese and hydrogen sulfide through oxidation.
● Anthracite is recommended as a filter medium where additional silica in the water is not desirable and can remove lighter weight turbidity. Anthracite is typically used in applications where silica pick-up is undesirable.
● Activated carbon medium is used to remove taste, odor, organic contaminants, and chlorine as well as being used in many drinking water applications.
● ProSand is based on a rare natural mineral. Its unique properties radically improve the performance and cost of media filtration.
● Filter AG is non-hydrous silicon dioxide with many advantages for the reduction of suspended matter.
● Multimedia is required when maximum quality water is required and unwanted sediment is too small to be removed by standard media. It consists of multiple layers of increasing grain size to remove sediment as small as 10 microns.
