The sand filter valve is the beating heart of the water treatment system. It changes the direction of water flow during the various stages of filtration, backwash, rinse, or drain.
Types of sand filter valves
1. Multiport Valve
This model is the most widely used type of sand filter valve, providing the ability to change modes to Filter, Backwash, Rinse, Waste, Recirculate, and Close with just one lever. It is simple and quick to use and is mostly used in swimming pools, hot tubs, and home filtration systems.
2. hand valve
It has a simpler structure than the multi-way type and is usually used in small or low-pressure systems. It is more economical in terms of price but requires more skill to control.
3. Automatic sand filter valve
These valves operate automatically, on a schedule or based on pressure. They are suitable for large industries and projects and reduce costs and errors by reducing human intervention.
How a sand filter valve works
The sand filter valve allows the filtration system to operate in different modes by changing the direction of water flow:
- Filtration: Passing water through a sand bed and removing suspended particles.
- Backwash: Reverse washing of the bed to clean deposited particles.
- Rinse: Stabilize the sand bed after backwashing.
- Drainage: Discharge of contaminated water out of the system
Proper implementation of these modes ensures that filtration quality always remains at the highest level.
Key points in choosing a sand filter valve
- Body material: PVC, brass or stainless steel
- Inlet and outlet size: appropriate to the filter and system capacity
- Supported working pressure: Compatible with system pressure
- Control type: manual or automatic
- Brand and quality: Choose from reputable domestic or foreign manufacturers
Benefits of using high-quality milk
- Extending the life of the sand filter
- Stable and leak-free operation
- Reducing service and repair costs
- Improving water purification quality and efficiency
Periodic maintenance and service
- Checking and replacing O-rings on time
- Prevent valve mode changes when the pump is on.
- Washing internal routes to prevent sedimentation
summary
Choosing the right sand filter valve is a guarantee for the optimal performance of your filtration system. At Avijeh Alborz Refining, we offer a variety of manual, multi-way and automatic valves from reputable brands with installation and after-sales service. For free consultation and choosing the best model for your project, just contact our experts.
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