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In water purification, not all RO systems are designed for household use. While domestic RO purifiers (like wall-mounted, table-top, or under-sink) serve typical family needs, there is a category of RO systems meant for commercial or semi-industrial use: the 100 LPH RO Plant. “LPH” stands for liters per hour, so a 100 LPH RO plant can purify up to 100 liters in one hour (~2,400 liters per day in continuous operation).
These plants are extremely useful in small offices, restaurants, schools, clinics, hostels, or even larger homes that need more water than what a typical domestic RO purifier can handle.
If you’re thinking of investing in a 100 LPH RO system, this guide will walk you through:
What exactly is a 100 LPH RO plant is
Key components (including the often-overlooked RO Tap Connector)
Different kinds of 100 LPH RO plants (materials, design)
Typical specifications
Real-world prices in India
Use cases for water purifiers vs full RO plants
Maintenance, operation, and ROI
How to choose the best 100 LPH RO system
A 100 LPH RO Plant is a reverse-osmosis-based water purification system designed to process about 100 liters of raw water every hour. This is a much higher capacity than typical domestic RO systems, and it's built for consistent, heavier use.
Key characteristics:
High Flow Capacity: 100 LPH (or more), meaning it can serve several people or a moderate demand.
Industrial or Commercial Grade: Built with more robust pumps, membranes, and infrastructure.
Skid or Frame-Based Structure: Often built on a stainless steel or FRP skid for durability.
Multiple Filtration Stages: Pre-filter(s), sediment, carbon, RO membrane, sometimes post-carbon or TDS adjuster.
Control & Automation: Many 100 LPH plants have auto shut-off switches, pressure sensors, or level sensors.
Power Requirement: Requires a pump; hence, electrical power is needed.
Application Areas: Small businesses, institutions, offices, factories, hostels, health centers, or even for high-demand homes.
Even in a 100 LPH RO plant, the RO Tap Connector plays an important role:
Function: It connects the outlet of the RO system (or the purified-water pipe) to a faucet or a dispensing point.
Importance in Commercial Systems: With large RO plants, the purified water needs a reliable path out. A good RO Tap Connector ensures:
Leak-free connection
Proper flow without pressure drop
Durability (can handle pressure and frequent use)
Installation Considerations: You must choose connectors compatible with the pipe size and type used in your RO system (e.g., ¼-inch, 6 mm, etc.).
Maintenance: Over time, connectors may wear; using good-quality ones ensures less downtime.
When buying a 100 LPH RO system, confirm whether the kit includes RO Tap Connectors or if you need to buy them separately.
Here’s a breakdown of common specifications for a 100 LPH RO plant, based on products and suppliers in India:
| Parameter | Typical Specification |
|---|---|
| Purification Capacity | ~ 100 ± 20 Liters per Hour |
| Membranes | Often uses one or more RO membranes (e.g., 300 GPD) |
| Purification Stages | Sediment → Carbon → RO → Post Carbon / TDS Adjuster |
| Material of Construction | FRP (Fiber Reinforced Plastic) or Stainless Steel skid |
| Operating Pressure / Water Inlet | Example: 0.3 kg/cm² minimum, up to ~2 kg/cm² |
| Power / Pump | Needs a high-pressure pump; typical power depends on design |
| Recovery Rate | Depends on membranes and design; some plants recover ~25–55% depending on configuration |
| Daily Duty Cycle | ~500–700 liters/day in some designs |
| Installation Mode | Wall / Table-mounted or Skid-mounted |
These are representative; actual specs will vary from model to model.
While official detailed specification PDFs may vary by brand, many commercial vendors provide spec sheets. For example, Netsol Water includes detailed spec info in its product listing.
For imagery: vendors like Skypure provide images of their 100 LPH UV+RO plant, showing full stainless steel body, control panel, and skid design.
When purchasing, always ask the supplier for:
A specification sheet (PDF)
Product photos from multiple angles
Wiring diagram (if automation / electrical controls are included)
Maintenance manual
Sometimes people search for “100 LPH RO water purifier” — this term can be confusing because:
A water purifier typically implies a system made for drinking water (smaller scale, maybe with storage tanks).
A RO plant implies a more commercial-grade system intended for continuous, larger-scale use.
But in practice, 100 LPH RO systems often function as high-capacity purifiers that combine both roles.
When to use 100 LPH RO plant as a water purifier:
You need high-quality purified water for drinking + cooking in a small business or large home.
You want to supply purified water to dispensers, water coolers, or storage tanks.
You run a restaurant, café, or office, where many people will drink the water.
Your water source is tough (high TDS, borewell or brackish), and you require a robust purification system.
One of the most asked questions is, “100 LPH RO price in India.” Based on current market data and verified suppliers:
The typical price range for a 100 LPH RO Plant is ₹35,000 to ₹65,000.
Variations depend on:
Material (FRP vs Stainless Steel)
Number and quality of membranes
Automation (manual vs auto shut-off)
Additional filtration stages (UV, TDS adjuster)
Pump quality and power
Example Prices from Suppliers:
Aqua Pristine: Their 100 LPH FRP RO Plant costs about ₹32,000.
Ohm Sai Industries: 100 LPH Commercial RO Plant (SS skid) has a listed price of ₹65,000.
Doctor Fresh: Their 100 LPH RO + UV Plant is priced around ₹45,000.
Aquafresh: Another 100 LPH commercial RO Plant listed online for ₹34,990.
So, while there's some variation, this gives a reliable ballpark for 2025.
Here are a few real-world 100 LPH RO models to illustrate different use-cases and specifications:
Aquafresh 100 LPH RO Plant: This is a dedicated plant with a stainless/quality skid, designed for constant purification.
AquaSafe 100 LPH Commercial RO Purifier: Suitable for offices or small businesses, focused on clean drinking water.
Aqua Health Care 100 LPH RO Purifier Plant: Compact but robust; auto shut-off, designed for continuous operation.
Netsol 100 LPH Commercial RO Plant: High reliability, skid-mounted; useful for institutions.
Namibind 100 LPH UV+RO Commercial Plant: Combines RO and UV, offering advanced purification for a wide variety of water sources.
To understand what makes a 100 LPH RO plant tick, let’s break down its components and how they contribute to performance:
Sediment Filter: To trap large particles, dust, and sand.
Carbon Filter: Removes chlorine, organic impurities, and chemicals, improving taste.
A high-pressure pump forces water through the RO membrane. For 100 LPH systems, this pump must be powerful enough to maintain sufficient pressure, yet energy-efficient.
This is the heart of the system. Quality membranes (TFC) are used to reject dissolved salts (TDS), heavy metals, and other contaminants.
The number and size of membranes vary based on capacity and design.
After RO filtration, some systems include a TDS controller or remineralizer to reintroduce minerals and improve taste.
Post-carbon filters help polish the water (removing any residual odor or taste).
Auto Shut-Off: When the purified water outlet tank (or system) is full, the plant shuts off automatically to prevent overflow/pump damage.
Sensors: Level sensors or float valves monitor water levels.
Pressure Gauges: Indicate inlet/outlet pressures to help maintain system health.
Many 100 LPH plants are built on an SS (Stainless Steel) skid for structural integrity and corrosion resistance.
FRP skids are a lighter, cost-effective alternative.
Why would you choose a 100 LPH RO system instead of a regular domestic RO?
Commercial Establishments
Restaurants, cafés, small hotels: Continuous need for clean drinking and cooking water.
Offices and coworking spaces: Purified water dispensers, employee hydration.
Clinics, labs, pharmacies: Need for very clean water for procedures or medicines.
Educational Institutions
Schools, Colleges: Water coolers, labs, cafeterias.
Hostels or Dormitories: For students’ daily drinking water.
Small-Scale Industry or Workshops
Industries needing purified water for processes, boilers, or as feed water for other treatments.
Residential Use in Large Homes
Bigger homes where multiple people drink water throughout the day.
Homes with high TDS water: Continuous capacity helps.
When selecting a 100 LPH RO system, consider the following:
Test your raw water’s TDS, hardness, and turbidity.
If TDS is high, invest in a good RO membrane.
If water has biological contamination, consider RO + UV.
Stainless Steel Skid: More durable, long-lasting, ideal for institutions.
FRP Skid: Cheaper, lighter, easier to transport.
Check the power rating of the pump.
For long-term use, choose an efficient pump to save on electricity.
More stages mean better purification but more maintenance.
Decide if you need a TDS controller or a post-filter.
Auto shut-off and level sensors reduce manual effort.
Pressure gauges help you monitor system health.
Choose a supplier with good after-sales support.
Check the availability of membranes, filters, and RO Tap Connectors.
Balance the upfront cost (plant price) with the cost of maintenance (filter/membrane replacement).
Make sure you have room for the plant (skid), pump, and water lines.
Ensure access to an electrical outlet and proper inlet/outlet plumbing.
Running and maintaining a 100 LPH RO system requires periodic checks:
Pre-filter / Sediment Filter: Change every 3–6 months (depending on water quality).
Carbon Filters: Replace every 6–12 months.
RO Membrane: Lifetime depends on volume and water quality; typically 18–36 months for replacement.
Post-filters / TDS Controllers: Replace or regenerate as needed.
Pump Maintenance: Check for unusual noise or vibration.
RO Tap Connector & Piping: Inspect for leaks, replace worn fittings.
Sanitize the System: Periodically clean bacterial build-up, especially in warm climates.
Monitor Performance: Use a TDS meter to check the quality of the output water and ensure rejection efficiency.
High Output: 100 LPH systems can produce a lot of water, sufficient for institutions and moderate commercial use.
Better Quality: RO purification ensures removal of dissolved salts, heavy metals, and contaminants.
Durable: Built for continuous use; well-maintained systems can last many years.
Savings: Over time, purified water from a plant can be cheaper than buying packaged water, especially for high demand.
Customization: You can often customize filtration stages, automation, and build material.
Initial Cost: More expensive than domestic RO purifiers.
Electricity Cost: A high-pressure pump requires power.
Water Recovery: Some RO systems waste water; design and recovery rate are critical.
Service Requirements: Requires periodic maintenance and access to quality replacement parts.
Space: Need room for the skid and plumbing.
Romegamart has a dedicated category for 100 LPH RO systems, helping you compare verified industrial systems:
Industrial Ro Plant
On Romegamart, you can view:
Live pricing from multiple suppliers
Technical specifications of different models
B2B and bulk purchase options (useful for institutions)
After-sales support and AMC (Annual Maintenance Contract) offers
Verified sellers, reducing the risk of poor-quality or counterfeit systems
If your water demand is high or you run a small business, a 100 LPH RO Plant is a smart, efficient investment.
Always check technical specs – capacity, number of membranes, material, automation.
Do not ignore RO Tap Connectors: a reliable connector ensures smooth water dispensing.
Verify maintenance costs and availability of parts before purchase.
Use RomegaMart or other trusted platforms to ensure quality and support.
Commit to regular maintenance if you want to maximize lifespan and performance.
A 100 LPH RO system bridges the gap between domestic water purifiers and full-scale industrial RO plants. It enables high-volume, high-quality water purification that is practical for small institutions, businesses, or busy households. Choosing the right 100 LPH RO plant means balancing cost, maintenance, and capacity — but the payoff is reliable, safe, and clean water.
To explore a curated selection of 100 LPH RO systems, compare models, get a quote, and get expert help:
Industrial Ro Plant 100 LPH