500L/H Reverse Osmosis Water Treatment System | STARK Water
Get reliable pure water for your business with the Stark Water 500L/H Reverse Osmosis Water Treatment System. This compact and efficient RO system delivers 500 liters of purified water per hour, making it ideal for small to medium-sized commercial, industrial, and laboratory applications requiring consistent high-quality water.
Product Description
For many small to medium-sized enterprises, laboratories, and specialized commercial operations, a consistent supply of high-purity water is essential, yet large-scale systems can be overkill. The Stark Water 500L/H Reverse Osmosis Water Treatment System is meticulously designed to meet this precise need, offering a compact, efficient, and highly reliable solution for producing up to 500 liters of purified water per hour.
Optimized Purification for Diverse Applications
At the core of this system is advanced **Reverse Osmosis (RO) technology**, renowned for its ability to effectively remove up to 99% of dissolved solids, salts, heavy metals, organic compounds, bacteria, and viruses from raw water sources. This level of purification is critical for applications where water quality directly impacts product integrity, experimental accuracy, equipment longevity, or human health.
Our 500L/H RO system incorporates a multi-stage filtration process to ensure optimal performance and membrane protection:
- Pre-filtration: Incoming water first passes through robust pre-filters, typically including multi-media filtration (like sand and activated carbon) to eliminate larger suspended solids, chlorine, and organic matter. This crucial step safeguards the sensitive RO membranes from premature fouling.
- Fine Filtration: Subsequent micron cartridge filters (e.g., 5-micron or 1-micron) capture any remaining fine particulates, preparing the water for the RO stage.
- High-Pressure RO Membrane Filtration: A high-pressure pump forces the pre-treated water through specialized semi-permeable RO membranes, separating pure water from concentrated impurities, which are then discharged.
- Post-treatment (Optional): For specific ultra-pure water requirements, additional modules like UV sterilization or deionization can be seamlessly integrated.
This comprehensive approach ensures consistently high-quality purified water, making it a dependable backbone for your water-dependent processes.

Compact Design, Robust Build, and User-Friendly Operation
The Stark Water 500L/H RO system is engineered with space efficiency in mind. Its compact footprint makes it an ideal fit for laboratories, small factories, clinics, and commercial kitchens where space is often at a premium. Despite its smaller size, the system doesn’t compromise on durability. It features robust construction, often utilizing a high-quality stainless steel frame and reliable components, ensuring a long operational lifespan and resistance to corrosive environments.
Ease of use is another key advantage. The integrated control panel provides automated operation, real-time monitoring of critical parameters (like pressure and water quality via a TDS meter), and built-in safety features such as low-pressure protection and automatic flushing cycles. This automation simplifies daily operations, reduces manual intervention, and ensures consistent performance, allowing your team to focus on their core tasks while the system reliably delivers pure water.
Product Parameter
The Stark Water 500L/H Reverse Osmosis Water Treatment System is built for efficient and reliable pure water production. Here are its key technical specifications:
- Pure Water Capacity: 500 Liters per Hour (LPH) / Approximately 2.2 Gallons per Minute (GPM)
- Raw Water Source: Suitable for municipal tap water, well water, or brackish water (recommended TDS up to 1000-2000 ppm, depending on design).
- RO Membrane Type: High-rejection, low-pressure Composite Polyamide RO Membrane (e.g., typically 1-2 x 4040 series membrane).
- High-Pressure Pump: Stainless Steel multistage centrifugal pump, specifically selected for this flow rate.
- Pre-treatment System:
- Multi-Media Filter (e.g., Sand Filter, Activated Carbon Filter) for suspended solids, chlorine, and organic matter removal.
- Precision Cartridge Filter (e.g., 5-micron or 1-micron) for fine particulate removal.
- Optional: Chemical Dosing System (e.g., anti-scalant) based on raw water analysis.
- Salt Rejection Rate: ≥97% – 99%
- Water Recovery Rate: 50% – 75% (Dependent on raw water quality and system design).
- Output Water Quality: TDS typically <50 ppm (adjustable based on raw water), suitable for various pure water applications.
- Power Supply: Single-Phase 220V AC, 50Hz/60Hz or 3 Phase 380V AC, 50Hz/60Hz (Customizable as per client region).
- Control System: Automatic control panel with pressure gauges, flow meters, online TDS meter, auto flush, and safety shut-offs (e.g., low/high pressure protection).
- Construction Material:
- Frame: Powder-coated Carbon Steel or Stainless Steel (SS304 recommended).
- Piping: UPVC for low pressure, Stainless Steel (SS304) for high pressure.
- Pressure Vessels: FRP (Fiber Reinforced Plastic) or Stainless Steel.
- Inlet Water Requirements:
- Inlet Pressure: 0.2 – 0.4 MPa
- Turbidity: <1.0 NTU
- Chlorine: <0.1 ppm
- SDI (Silt Density Index): <5
- Dimensions (Approximate): Compact design, typically L 1000mm x W 500mm x H 1400mm.
- Operating Temperature: 5°C – 45°C.
Applicable Industry
The Stark Water 500L/H Reverse Osmosis Water Treatment System is a versatile and efficient solution for various small to medium-scale operations requiring consistent access to high-purity water. Its compact design and reliable performance make it ideal for:
- Laboratories & Research Facilities: Provides purified water for glassware washing, reagent preparation, analytical testing, and general lab use.
- Clinics & Medical Facilities: Supplies high-quality water for sterilization equipment (autoclaves), dental units, dialysis centers (pre-treatment), and general utility.
- Small Bottled Water Plants & Beverage Production: Essential for producing pure drinking water, juices, and soft drinks, ensuring product quality and taste.
- Commercial Kitchens & Restaurants: Delivers pure water for cooking, ice making, coffee machines, and dishwashing, improving taste and protecting appliances.
- Hotels & Guesthouses: Supplies pure water for drinking, ice machines, and general amenities, enhancing guest experience.
- Hydroponics & Specialized Agriculture: Provides precise water quality for nutrient solutions, optimizing plant growth and yield.
- Schools & Educational Institutions: Ensures access to safe, purified drinking water for students and staff.
- Boiler Feed Water (Small Scale): Pre-treatment for small industrial or commercial boilers to prevent scaling and improve efficiency.
- Car Washes & Detailing Shops: Provides spot-free rinse water, improving vehicle appearance and customer satisfaction.
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FAQ
Q1: How long does the reverse osmosis system last?
The lifespan of a reverse osmosis system depends on water quality and maintenance. Typically, the membrane lasts 2–3 years, while the system itself can last over 10 years with proper care.
Q2: Can the system be customized based on different water conditions?
Yes, all our systems are fully customizable. We analyze your water report and application needs before providing tailored solutions.
Q3: What standards does STARK equipment comply with?
Our products comply with CE, ISO 9001, and can be designed to meet specific regional regulations or industry standards upon request.
Q4: What is the delivery time for STARK RO systems?
Standard systems are shipped within 7–15 days. For customized orders, lead time may extend to 20–25 days depending on complexity.
Q5: Do you provide technical support or installation guidance?
Yes. We provide full technical documentation, remote guidance via video, and can dispatch engineers internationally upon request.
Q6: What is included in your quotation?
Our quotation includes the full RO system, control panel, pumps, pre-treatment units, and all necessary fittings. Installation tools and spare parts can be included upon request.