Water quality is essential for both domestic and industrial applications. Contaminated water can lead to various health problems and reduce the efficiency of industrial processes. Sand filters play a vital role in improving water quality by removing impurities, sediments, and suspended solids. They are one of the most effective and economical filtration systems used in residential, commercial, and industrial setups.
If you are looking to buy a high-quality yet affordable sand filter in Delhi/NCR, RO Service Point offers the best range of sand filters designed to deliver clean and clear water. Our sand filters are engineered to trap sediments, mud, rust, and dirt, ensuring that the water you consume and use is pure and safe.
This article explores the working mechanism of sand filters, their benefits, maintenance requirements, and why RO Service Point is the best choice for purchasing sand filters in Delhi/NCR.
What is a Sand Filter?
A sand filter is a type of water filtration system that uses a multi-layered media bed consisting of:
✅ Sand – for trapping fine particles
✅ Gravel – for supporting the sand and improving the filtration process
✅ Pebbles – for ensuring proper drainage and support
The sand filter works by passing water through these layers, which trap suspended particles, dirt, and debris. The filtered water is collected at the bottom and then directed into the water supply system.
Sand filters are highly efficient in removing:
- Sediments
- Silt and mud
- Rust and dirt
- Organic matter
- Bacteria and microorganisms
Sand filters are widely used in:
- Swimming pools
- Industrial water treatment
- Wastewater treatment plants (STP/ETP)
- Residential and commercial water systems
How Does a Sand Filter Work?
The working mechanism of a sand filter is simple yet highly effective:
1. Filtration Phase
- Water enters the sand filter from the top.
- It flows down through the sand, gravel, and pebble layers.
- Suspended solids, dirt, and other contaminants are trapped in the sand bed.
- The clean water flows out through the bottom and into the water supply system.
2. Backwashing Phase
- Over time, the filter bed becomes clogged with trapped particles.
- Backwashing is initiated to clean the sand bed.
- Water is pumped in reverse through the filter to remove trapped particles.
- The dirty water is flushed out through the waste outlet.
3. Rinse Phase
- After backwashing, the system is set to rinse mode.
- This step ensures that any remaining loose particles are removed from the filter bed.
- The water is then ready for use.
Types of Sand Filters
There are different types of sand filters available, depending on the application and filtration requirements:
🔹 Pressure Sand Filter
- Operates under high pressure.
- Used for industrial and commercial water treatment.
- Effective in removing suspended solids and turbidity.
🔹 Gravity Sand Filter
- Operates under gravitational force.
- Used in municipal water treatment plants.
- Requires low operational pressure.
🔹 Rapid Sand Filter
- High filtration rate.
- Suitable for large-scale industrial applications.
- Requires frequent backwashing.
🔹 Slow Sand Filter
- Lower filtration rate.
- Used for domestic water treatment.
- Removes biological contaminants effectively.
Benefits of Using a Sand Filter
Sand filters are highly efficient and offer numerous advantages:
✅ Cost-Effective – Sand filters are affordable and require low maintenance costs.
✅ Easy to Operate – Simple to install and operate with minimal technical expertise.
✅ Highly Efficient – Removes up to 99% of suspended solids and particles.
✅ Durable – Long-lasting design with a lifespan of 5 to 10 years.
✅ Eco-Friendly – No chemicals are used in the filtration process.
✅ High Flow Rate – Suitable for both small and large-scale applications.
✅ Versatile – Used in swimming pools, water treatment plants, and commercial buildings.
Why Choose RO Service Point for Sand Filters?
RO Service Point is a trusted name in the water treatment industry, offering high-quality sand filters at competitive prices. Here’s why you should choose us:
⭐ 1. High-Quality Products
- Manufactured using durable and corrosion-resistant materials.
- Three-layered filtration system (sand, gravel, pebbles) ensures maximum efficiency.
⭐ 2. Affordable Pricing
- We offer the most competitive prices for sand filters in Delhi/NCR.
- Bulk purchase options available for commercial applications.
⭐ 3. Expert Installation
- Professional installation services available across Delhi, Noida, Gurgaon, and other NCR areas.
- Quick and hassle-free setup.
⭐ 4. Maintenance and Repair
- Regular maintenance services to ensure optimal performance.
- Prompt repair services to minimize downtime.
⭐ 5. After-Sales Support
- 24/7 customer support for any issues or queries.
- Warranty on all products and services.
Sand Filter Settings
The sand filter comes with multiple settings to ensure proper operation and maintenance:
🔹 Filter – For normal filtration or vacuuming.
🔹 Backwash – Used to clean the sand filter by reversing the water flow.
🔹 Rinse – To clean the internal system after backwashing.
🔹 Waste – Used to remove heavy dirt and debris directly to waste.
🔹 Closed – Shuts off the flow of water to the filter.
🔹 Circulation – Allows water to bypass the filter.
Sand Filter Maintenance and Repair
To keep your sand filter functioning efficiently, regular maintenance is essential:
✅ Check Pressure Levels – Monitor the pressure gauge to detect clogs.
✅ Backwashing – Perform backwashing regularly to prevent clogging.
✅ Cleaning – Clean the filter bed periodically.
✅ Replace Sand – Replace the sand bed every 3 to 5 years.
✅ Inspect Components – Check for leaks, cracks, and damaged parts.
Sand Filter Service and Maintenance Charges
At RO Service Point, we offer competitive pricing for sand filter maintenance and repair:
| Service Type | Charges |
|---|---|
| Sand Filter Installation | ₹3,000 – ₹10,000 |
| Backwashing | ₹500 – ₹1,500 |
| Sand Replacement | ₹2,000 – ₹5,000 |
| General Maintenance | ₹1,500 – ₹3,000 |
| Emergency Repair | ₹2,000 – ₹7,000 |
Sand Filter Availability in Delhi/NCR
We provide sand filter sales and service across all major areas in Delhi/NCR:
- Delhi – South Delhi, North Delhi, West Delhi, East Delhi, Central Delhi
- Noida – Sector 15, Sector 62, Sector 18, Sector 137
- Gurgaon – MG Road, Sohna Road, Golf Course Road
- Ghaziabad – Raj Nagar, Indirapuram, Vaishali
- Faridabad – Nehru Colony, Sector 21, Sector 15
FAQs
Q1. How often should I backwash a sand filter?
➡️ It is recommended to backwash your sand filter once every 1–2 weeks, depending on the water quality and usage.
Q2. What type of sand is used in a sand filter?
➡️ Silica sand is typically used for filtration due to its high purity and ability to trap particles effectively.
Q3. How long does a sand filter last?
➡️ A sand filter can last between 5 to 10 years with proper maintenance.
Q4. Can I clean the sand filter myself?
➡️ Yes, but professional servicing ensures thorough cleaning and optimal performance.
Q5. What is the price of a sand filter in Delhi/NCR?
➡️ The price ranges from ₹10,000 to ₹50,000 depending on the size and capacity.
Conclusion
If you are looking to buy a sand filter that offers exceptional performance at an affordable price, RO Service Point is your go-to solution. We provide high-quality sand filters, professional installation, and reliable maintenance services across Delhi/NCR. Contact us today to get the best sand filter for your water treatment needs.
📞 Call Us: 9560654995
📍 Address: C-49/1, Ekta Vihar, Jaitpur, Badarpur, New Delhi – 110044
🌐 Website: www.roservicepoint.com